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3Com CoreBuilder 9000, Command Reference Manual

The 3Com CoreBuilder 9000 is a state-of-the-art networking device offering high-performance and robust capabilities. Enhance your network management skills with our comprehensive user manual, available for free download from manualshive.com. Empower yourself with in-depth knowledge and optimize the potential of this exceptional product.

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334

C

HAPTER

 13: R

ESILIENT

 L

INKS

3500

✓

 9000

✓

 9400

✓

 3900

✓

 9300

bridge link modify

For CoreBuilder 9000: Applies to Layer 2 switching modules only.

Modifies the link name, as well as the main port and standby port, of a 
defined resilient link. 

Valid Minimum Abbreviation

b l m

Important Considerations

■

Connect the network cable to the resilient link port after you reboot 
the system.

■

In general, create links before you define your Virtual LANs (VLANs). If 
you plan to create resilient links for part of a VLAN, create the resilient 
links before you create the VLAN. 

■

When you create a  resilient link that includes ports that are part of a 
VLAN, those ports are removed from the VLAN.  You must modify the 
VLAN and add the new bridge port to the appropriate VLAN.  This 
situation does not apply to the default VLAN (all ports are part of the 
default VLAN).

■

If you have already defined other links or trunks on your system, you 
cannot select ports that are part of an existing link or a trunk.

■

You must reboot the system at the end of the link definition process. 
(You can define multiple links in one 

define

 operation.) 

■

The resilient link port pair uses a single MAC address for frames 
sourced by this pair.

■

The resilient link name can be up to 32 alphanumeric characters.

Summary of Contents for CoreBuilder 9000

Page 1: ... http www 3com com Command Reference Guide CoreBuilder 3500 CoreBuilder 9000 CoreBuilder 9400 SuperStack II Switch 3900 SuperStack II Switch 9300 Part No 10013505 Published November 1999 ...

Page 2: ... 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or del...

Page 3: ...TED 1 ADMINISTRATION OVERVIEW Administration Console Overview 29 CoreBuilder 9000 System Management Overview 30 Management and Data Channels 31 CoreBuilder 9000 Management Features 33 EME Overview 33 Configuration Tasks 34 Accessing the Administration Console 35 Password Access Levels 35 Accessing Your System 36 Access Examples 37 Using Menus to Perform Tasks 39 Selecting Menu Options 40 Entering ...

Page 4: ...1 system console security message 82 system console timeout timeOut 83 system console timeout interval 84 system snapshot summary 85 system snapshot detail 86 system snapshot save 87 system softwareUpdate 89 system baseline display 90 system baseline set 91 system baseline requestedState 92 system serialPort terminalSpeed 93 system serialPort modemSpeed 95 system serialPort baudRate 96 system seri...

Page 5: ...124 logout 126 4 MODULE ENVIRONMENT Menu Structure 128 module display 129 module snapshot summary 130 module snapshot detail 131 module baseline display 132 module baseline set 133 module baseline requestedState 134 module redundancy 135 module name 136 module time 137 module screenHeight 138 module nvData reset 139 module nvData emergencyDownload 140 module nvData displayDownload 141 module nvDat...

Page 6: ... route findRoute 167 management ip arp display 168 management ip arp static 169 management ip arp remove 170 management ip arp flushAll 171 management ip arp flushDynamic 172 management ip rip display 173 management ip rip mode 174 management ip rip statistics 176 management ip ping 177 management ip advancedPing 179 management ip traceRoute 182 management ip advancedTraceRoute 184 management ip s...

Page 7: ...D DATA INTERFACE FDDI Menu Structure 223 fddi station display 224 fddi station connectPolicy 225 fddi station tNotify 227 fddi station statusReporting 228 fddi path display 229 fddi path tvxLowerBound 230 fddi path tmaxLowerBound 231 fddi path maxTreq 232 fddi mac summary 233 fddi mac detail 234 fddi mac frameErrorThreshold 237 fddi mac notCopiedThreshold 238 fddi mac llcService 239 fddi mac path ...

Page 8: ... cos summary 268 bridge cos modify 269 bridge multicast igmp summary 270 bridge multicast igmp snoopMode 271 bridge multicast igmp queryMode 272 bridge multicast igmp queryIpAddress 273 bridge multicast igmp vlans 274 bridge multicast igmp groups 275 bridge multicast igmp desQuerier 276 bridge multicast igmp rPorts 277 bridge multicast igmp qPort 278 10 BRIDGE PORT PARAMETERS Menu Structure 279 br...

Page 9: ...ve 318 12 MULTIPOINT LINK AGGREGATION MPLA Menu Structure 321 bridge mpla summary 322 bridge mpla detail 323 bridge mpla mode 324 bridge mpla peerMacAddress 326 13 RESILIENT LINKS Menu Structure 327 bridge link summary 328 bridge link detail 329 bridge link define 330 bridge link linkState 332 bridge link activePort 333 bridge link modify 334 bridge link remove 336 14 VIRTUAL LANS VLANS Menu Struc...

Page 10: ...acketFilter unassign 384 bridge packetFilter portGroup list 386 bridge packetFilter portGroup display 387 bridge packetFilter portGroup create 388 bridge packetFilter portGroup delete 390 bridge packetFilter portGroup addPort 391 bridge packetFilter portGroup removePort 392 PART VI ROUTING PROTOCOLS 16 INTERNET PROTOCOL IP Menu Structure 396 ip interface summary 398 ip interface detail 400 ip inte...

Page 11: ... dns nslookup 441 ip udpHelper display 442 ip udpHelper define 443 ip udpHelper remove 444 ip udpHelper hopCountLimit 445 ip udpHelper threshold 446 ip udpHelper interface first 447 ip udpHelper interface even 448 ip udpHelper interface sequential 449 ip routing 450 ip rip display 451 ip rip mode 453 ip rip compatibilityMode 455 ip rip cost 456 ip rip poisonReverse 457 ip rip routeAggregation Mode...

Page 12: ... ip multicast dvmrp interface mode 507 ip multicast dvmrp interface metric 508 ip multicast dvmrp tunnels summary 509 ip multicast dvmrp tunnels define 511 ip multicast dvmrp tunnels remove 513 ip multicast dvmrp tunnels address 514 ip multicast dvmrp tunnels threshold 515 ip multicast dvmrp tunnels metric 516 ip multicast dvmrp routeDisplay 517 ip multicast dvmrp cacheDisplay 518 ip multicast dvm...

Page 13: ...551 ip ospf interface delay 552 ip ospf interface hello 553 ip ospf interface retransmit 554 ip ospf interface dead 555 ip ospf interface password 556 ip ospf linkStateData databaseSummary 557 ip ospf linkStateData router 558 ip ospf linkStateData network 560 ip ospf linkStateData summary 561 ip ospf linkStateData external 563 ip ospf neighbors display 564 ip ospf neighbors add 565 ip ospf neighbo...

Page 14: ...interface display 607 ipx interface define 608 ipx interface modify 610 ipx interface remove 612 ipx interface SAPadvertising 613 ipx interface RIPadvertising 614 ipx route display 615 ipx route secondary 617 ipx route static 618 ipx route remove 620 ipx route flush 621 ipx server display 622 ipx server static 624 ipx server remove 626 ipx server flush 627 ipx server secondary 628 ipx forwarding 6...

Page 15: ...ry 663 appletalk interface detail 664 appletalk interface define 665 appletalk interface modify 667 appletalk interface remove 669 appletalk interface statistics 670 appletalk route display 672 appletalk route flush 673 appletalk aarp display 674 appletalk aarp remove 675 appletalk aarp flush 676 appletalk zone display network 677 appletalk zone display zone 678 appletalk forwarding 679 appletalk ...

Page 16: ...y 718 qos control remove 724 qos ldap display 725 qos ldap enable 726 qos ldap disable 727 qos rsvp summary 728 qos rsvp detail 729 qos rsvp enable 730 qos rsvp disable 732 qos bandwidth display 733 qos bandwidth modify 734 qos excessTagging display 735 qos excessTagging enable 736 qos excessTagging disable 737 qos statistics interval 738 qos statistics receive 739 qos statistics transmit 741 PART...

Page 17: ... stop 763 PART IX REFERENCE A TECHNICAL SUPPORT Online Technical Services 767 World Wide Web Site 767 3Com Knowledgebase Web Services 767 3Com FTP Site 768 3Com Bulletin Board Service 768 3Com Facts Automated Fax Service 769 Support from Your Network Supplier 769 Support from 3Com 769 Returning Products for Repair 771 INDEX ...

Page 18: ......

Page 19: ...evel of that platform as it relates to the information contained in this book This guide is intended for the system or network administrator who is responsible for configuring using and managing the system It assumes a working knowledge of local area network LAN operations and familiarity with communications protocols that are used on interconnected LANs If the information in the release notes tha...

Page 20: ... you find information about specific tasks If you are looking for information about Turn to System administration and configuration tasks Using command abbreviations Summary of commands for all platforms Part I Getting Started Displaying the system or module configuration Using the snapshot feature Baselining statistics Configuring system parameters such as name date time and passwords Configuring...

Page 21: ...nfiguring IP interfaces and IP protocol parameters Configuring Virtual Router Redundancy Protocol VRRP parameters Configuring IP multicast routing and filtering Configuring Open Shortest Path First OSPF routing Configuring IPX routing Configuring AppleTalk routing Part VI Routing Protocols Configuring Quality of Service QoS classifiers controls Resource Reservation Protocol RSVP bandwidth and exce...

Page 22: ...reBuilder 9000 system can house both Layer 2 modules and Layer 3 modules this sentence alerts you to the fact that this particular command is valid only on Layer 2 modules or Layer 3 modules The command description continues with one or more of the following sections Valid Minimum Abbreviation This section lists the shortest number of characters that you can type to issue the command Important Con...

Page 23: ...hat have undesirable consequences For example on the CoreBuilder 9000 to list all addresses for a port you use the bridge port address list all command If you mistakenly enter bridge port address all the system interprets it as an abbreviated version of the bridge port address flushAll command which flushes the entire address table for the port and does not request that you confirm the command Con...

Page 24: ...breviate commands by entering just enough characters to distinguish one command from another similar command as shown in Valid Minimum Abbreviations under each command description Commands are not case sensitive The words enter and type When you see the word enter in this guide you must type something and then press the Return or Enter key Do not press Return or Enter when an instruction simply sa...

Page 25: ...chpubs_comments ne 3com com Include the following information when commenting Document title Document part number found on the front or back page of each document Page number if appropriate Example Command Reference Guide Part Number 10013505 Page 347 Year 2000 Compliance For information on Year 2000 compliance and 3Com products visit the 3Com Year 2000 Web page http www 3com com products yr2000 h...

Page 26: ...26 ABOUT THIS GUIDE ...

Page 27: ...I GETTING STARTED Chapter 1 Administration Overview Chapter 2 Command Summary ...

Page 28: ......

Page 29: ...ered in this chapter Administration Console Overview CoreBuilder 9000 System Management Overview CoreBuilder 9000 Management Features Configuration Tasks Accessing the Administration Console Using Menus to Perform Tasks Administration Console Overview The Administration Console software is installed at the factory in flash memory on the system processor Because this software boots automatically fr...

Page 30: ...d interface modules Before you begin to manage your CoreBuilder 9000 system review the management related information in this section The CoreBuilder 9000 system supports the following management interfaces EME Management Console Use the EME Management Console to manage EME and Enterprise Management Controller EMC functions such as login table management IP connectivity event and trap logs and sof...

Page 31: ...he Web Management User Guide for the CoreBuilder 9000 Enterprise Switch for additional information about Web Management You manage the EME from a command line interface using EME management commands You manage the switch fabric modules or interface modules through the Administration Console using module management commands or through the Web Management interface Management and Data Channels The Co...

Page 32: ...em Data Channels in the16 slot Chassis Primary interconnect Backup interconnect Management LAN MLAN Primary and redundant switch fabric modules PSU PSU PSU PSU 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 8 5 traces each verified to 1 25GHz 5 redundant traces ...

Page 33: ...at Provides a central point of contact for chassis management Provides all controller functions as well as EME functions Intelligent Power Management Manages power use in the chassis by Preventing newly installed modules from receiving power when there is not enough power available Allowing you to prioritize the order in which modules power off if there is insufficient power available Allowing you...

Page 34: ...nsole Management setup management snmp Set up the out of band management interface Set up the system for SNMP and trap reporting Port based management ethernet fddi Manage Ethernet ports Manage Fiber Distributed Data Interface FDDI ports Bridging bridge Set bridge parameters for the entire system including for Spanning Tree Protocol STP and Class of Service CoS Manage trunking of bridge ports Set ...

Page 35: ...ssifiers and controls for traffic policy based services Monitoring log analyzer Set severity levels and services for event logging Monitor the network using a network analyzer Table 4 Types of Commands Associated with Configuration Tasks continued Type of Command Top Level Menus Tasks Table 5 Password Access Levels Access Level For users who need to Allows users to Administer Perform system or mod...

Page 36: ...controls passwords and access levels to manage the chassis and its installed modules To access a module in a CoreBuilder 9000 system follow these steps 1 Log in to the EME 2 Access the module that you want to manage using the EME connect command Example To connect to a module in slot 10 subslot 1 enter connect 10 1 All modules use subslot 1 The system displays a prompt similar to the following CB9...

Page 37: ...Example When you enter the Administration Console with Administer access each menu contains all of the options for the system Here is an example of a system menu for users with Administer access on the CoreBuilder 3500 Select menu option system Menu options CoreBuilder 2B4200 display Display the system configuration console Administer console level functions fileTransfer Set the file transfer prot...

Page 38: ...nister console level functions fileTransfer Set the file transfer protocol snapshot Display all configuration and status information baseline Administer a statistics baseline serialPort Administer the terminal and modem serial ports name Set the system name diagErrLog Display Diagnose Error Log sntp Administer the Simple Network Time Protocol Type q to return to the previous menu or for help Selec...

Page 39: ...mplete list of commands for all systems See the checklist at the beginning of each command description in each chapter for whether your system supports the command The following example shows the CoreBuilder 9000 top level menu when a Layer 2 switching module is installed These examples show the CoreBuilder 9000 menu options for a Layer 2 switching interface module Menus on other platforms may dif...

Page 40: ...he menu option incorrectly a message indicates that your entry is not valid or is ambiguous Reenter the option from the point at which it became incorrect or expand a truncated command until it becomes unambiguous When a new menu appears the selection prompt with its choices in parentheses changes to reflect your progression through the menus Example If you enter bridge at the top level menu and t...

Page 41: ...reach the level at which you perform a task the Administration Console prompts you for a value The prompt usually shows all valid values if applicable and typically suggests a default value The default may be the factory default value or the current value that you have defined for that parameter The Administration Console displays the valid values in parentheses and the default or current value in...

Page 42: ...he Escape key To move quickly to the top level menu without backtracking through each intermediate menu The top level menu immediately appears Enter q To move up through the hierarchy that is to move to the menu that is one level higher in the hierarchy To cancel an operation that is currently in progress The previous menu appears ...

Page 43: ...nt system display system fileTransfer system console webHelpConfig system console webAccess system console consoleAccess system console ctlKeys system console password system console screenHeight system console security display system console security define system console security remove system console security access system console security message system console timeout timeOut system console t...

Page 44: ...alPort modemSpeed system serialPort baudRate system serialPort serialPortMode system serialPort configModem system serialPort enableModem system name system time dateTime system time timezone system time dst system nvData save system nvData restore system nvData examine system clearDiagBlock system diagErrLog system sntp display system sntp define Table 6 Command Summary continued Commands 3500 90...

Page 45: ... module snapshot detail module baseline display module baseline set module baseline requestedState module redundancy display module redundancy reset NonRedundant module name module time module screenHeight module nvData reset module nvData emergencyDownload module nvData displayDownload module nvData staging Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 46: ...erface define management ip interface modify management ip interface remove management ip route display management ip route static management ip route remove management ip route flush management ip route default management ip route noDefault management ip route findRoute management ip arp display management ip arp static management ip arp remove management ip arp flushAll Table 6 Command Summary c...

Page 47: ...raceRoute management ip statistics Ch 6 SNMP snmp display snmp community snmp trap display snmp trap addModify snmp trap remove snmp trap flush snmp trap smtProxyTraps snmp rmonConfiguration snmp writeDisable Part IV Physical Port Parameters Ch 7 Ethernet Ports ethernet summary ethernet detail ethernet autoNegotiation Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3...

Page 48: ...I fddi station display fddi station connectPolicy fddi station tNotify fddi station statusReporting fddi path display fddi path tvxLowerBound fddi path tmaxLowerBound fddi path maxTreq fddi mac summary fddi mac detail fddi mac frameErrorThreshold fddi mac notCopiedThreshold fddi mac IIcService fddi mac path fddi port display Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3...

Page 49: ...slation bridge addressThreshold bridge agingTime bridge spanningTree stpState bridge spanningTree stpPriority bridge spanningTree stpMaxAge bridge spanningTree stpHelloTime bridge spanningTree stpForwardDelay bridge spanningTree stpGroupAddress bridge gvrpState bridge cos enable bridge cos summary bridge cos modify bridge multicast igmp summary Table 6 Command Summary continued Commands 3500 9000 ...

Page 50: ...bridge multicast igmp qPort Ch 10 Bridge Ports bridge port summary bridge port detail bridge port multicastLimit bridge port stpState bridge port stpCost bridge port stpPriority bridge port gvrpState bridge port address list bridge port address add bridge port address remove bridge port address find bridge port address flushAll bridge port address flushDynamic Table 6 Command Summary continued Com...

Page 51: ...unk modify bridge trunk remove Ch 12 MultiPoint Link Aggregation bridge mpla summary bridge mpla detail bridge mpla mode bridge mpla peerMacAddress Ch 13 Resilient Links bridge link summary bridge link detail bridge link define bridge link linkState bridge link activePort bridge link modify bridge link remove Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 52: ...isplay bridge packetFilter create bridge packetFilter delete bridge packetFilter edit bridge packetFilter load bridge packetFilter assign bridge packetFilter unassign bridge packetFilter portGroup list bridge packetFilter portGroup display bridge packetFilter portGroup create bridge packetFilter portGroup delete bridge packetFilter portGroup addPort bridge packetFilter portGroup removePort Table 6...

Page 53: ...dress ip interface directedBroadcast ip interface icmpRedirect ip interface icmpRouterDiscovery ip interface statistics ip route display ip route static ip route remove ip route flush ip route default ip route noDefault ip route findRoute ip arp display ip arp static ip arp remove ip arp flushAll Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 54: ...p udpHelper define ip udpHelper remove ip udpHelper hopCountLimit ip udpHelper threshold ip udpHelper interface first ip udpHelper interface even ip udpHelper interface sequential ip routing ip rip display ip rip mode ip rip compatibilityMode ip rip cost ip rip poisonReverse ip rip routeAggregationMode Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 55: ...cy modify ip rip policy remove ip rip statistics ip ping ip advancedPing ip traceRoute ip advancedTraceRoute ip statistics Ch 17 VRRP ip vrrp summary ip vrrp detail ip vrrp define ip vrrp modify ip vrrp remove ip vrrp mode ip vrrp neighbor ip vrrp statistics Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 56: ...move ip multicast dvmrp tunnels address ip multicast dvmrp tunnels threshold ip multicast dvmrp tunnels metric ip multicast dvmrp routeDisplay ip multicast dvmrp cacheDisplay ip multicast dvmrp default ip multicast igmp interface summary ip multicast igmp interface detail ip multicast igmp interface TTL ip multicast igmp snooping ip multicast igmp querying ip multicast cache ip multicast traceRout...

Page 57: ...spf defaultRouteMetric remove ip ospf interface summary ip ospf interface detail ip ospf interface statistics ip ospf interface mode ip ospf interface priority ip ospf interface areaID ip ospf interface cost ip ospf interface delay ip ospf interface hello ip ospf interface retransmit ip ospf interface dead ip ospf interface password ip ospf linkStateData databaseSummary Table 6 Command Summary con...

Page 58: ...pf stubDefaultMetric display ip ospf stubDefaultMetric define ip ospf stubDefaultMetric remove ip ospf virtualLinks summary ip ospf virtualLinks detail ip ospf virtualLinks statistics ip ospf virtualLinks define ip ospf virtualLinks remove ip ospf virtualLinks areaID ip ospf virtualLinks router ip ospf virtualLinks delay ip ospf virtualLinks hello ip ospf virtualLinks retransmit ip ospf virtualLin...

Page 59: ...ay ipx interface define ipx interface modify ipx interface remove ipx interface SAPadvertising ipx interface RIPadvertising ipx route display ipx route secondary ipx route static ipx route remove ipx route flush ipx server display ipx server static ipx server remove ipx server flush ipx server secondary Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 60: ... triggered ipx sap policy summary ipx sap policy detail ipx sap policy define ipx sap policy modify ipx sap policy remove ipx output delay ipx statistics summary ipx statistics rip ipx statistics sap ipx statistics forwarding ipx statistics interface ipx oddLengthPadding ipx NetBIOS ipx secondary Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 61: ...ppletalk route flush appletalk aarp display appletalk aarp remove appletalk aarp flush appletalk zone display network appletalk zone display zone appletalk forwarding appletalk checksum appletalk sourceSocket appletalk ping appletalk statistics ddp appletalk statistics rtmp appletalk statistics zip appletalk statistics nbp Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9...

Page 62: ...l summary qos control detail qos control define qos control modify qos control remove qos ldap display qos ldap enable qos ldap disable qos rsvp summary qos rsvp detail qos rsvp enable qos rsvp disable qos bandwidth display qos bandwidth modify qos excessTagging display qos excessTagging enable qos excessTagging disable Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400...

Page 63: ...ransmit Part VIII Monitoring Ch 23 Event Log log display log devices log services Ch 24 Roving Analysis analyzer display analyzer add analyzer remove analyzer start analyzer stop Table 6 Command Summary continued Commands 3500 9000 Layer 2 9000 Layer 3 9400 3900 9300 ...

Page 64: ...64 CHAPTER 2 COMMAND SUMMARY ...

Page 65: ...II SYSTEM LEVEL FUNCTIONS Chapter 3 System Environment Chapter 4 Module Environment ...

Page 66: ......

Page 67: ... options are also provided where applicable Configure management access to the system through one of two serial connection types Configure management access through the serial port For information about commands for configuring an out of band management interface see Chapter 5 For more information about administering your system environment see the Implementation Guide for your system ...

Page 68: ... console fileTransfer snapshot softwareUpdate baseline serialPort name time nvData clearDiagBlock diagErrLog sntp reboot Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect console menu webHelpConfig webAccess consoleAccess ctlKeys password screenHeight security timeout serialPort menu terminalSpeed modemSpeed baudRate serial...

Page 69: ...failed diagnostics Memory size AP FP Flash and Buffer Memory capacities of the system processors POV Power on verification SysBoot Boot software revision ExtDiags Extended diagnostics version number Part number Each module s 3Com part identification number Product number Each module s 3Com 3C product identification number Rev Unique number assigned to the hardware build by 3Com Serial number Each ...

Page 70: ...l TFTP or File Transfer Protocol FTP Use this protocol to retrieve or store files across the network for system functions such as scripts snapshots software updates and nvData save and restore Valid Minimum Abbreviation sy f Options Prompt Description Possible Values Default File transfer protocol File transfer protocol for the system TFTP FTP TFTP ...

Page 71: ...webHelpConfig Sets the Uniform Resource Locator URL for access to the Web Management Help system Valid Minimum Abbreviation sy co wh Options Prompt Description Possible Values Default Enter Web help installation URL URL where the Web Management Help system files are located ...

Page 72: ...900 9300 webAccess Enables or disables access to the Web Management software Valid Minimum Abbreviation sy co w Options Prompt Description Possible Values Default Web management Whether remote access to the Web Management system is allowed enabled disabled enabled ...

Page 73: ...0 9300 consoleAccess Controls remote access via Telnet or modem to the system console Valid Minimum Abbreviation sy co co Options Prompt Description Possible Values Default Console access Whether remote access to the system console is allowed enabled disabled enabled ...

Page 74: ...control key combination default Ctrl X that allows you to reboot the system from the Administration Console Valid Minimum Abbreviation sy co ct Options Prompt Description Possible Values Default Control keys Whether you want to enable or disable the reboot control key combination enabled disabled enabled ...

Page 75: ...g on for the first time press Return or Enter at the password prompt because the initial passwords that are stored in the nonvolatile memory of the system are null for all access levels To change passwords you must enter the Console at the administer access level The system does not display the password in the field as you type Set a password for each access level that you want to configure Option...

Page 76: ...at the system displays the menus themselves Each time that the screen output reaches the designated screen height the system prompts you to press a key to display more information Set the screen height to infinite 0 if you do not want the system to display this prompt At 0 however the screen output can scroll beyond the screen depending on your screen size Most terminal screens are 24 lines high O...

Page 77: ...mmand displays only the first two fields Fields in the System Console Security Display Field Description Trusted client access only Whether the trusted IP client feature is enabled or disabled Deny message Text of the current message that is sent to a user who is not a trusted client Index Index number that is associated with the trusted IP client Trusted IP address IP address of the trusted IP cl...

Page 78: ...IP clients using system console security display to verify that you have configured the trusted IP clients correctly Enable the system to verify trusted IP clients using system console security access You can configure up to five IP addresses or five subnetwork addresses as trusted IP clients An IP address or subnetwork address can be used to access the system only if it is on the trusted IP clien...

Page 79: ...ses the same format and representation as an IP address The subnet mask determines which bits in the IP address are interpreted as the network number the subnet number and the host number Each IP address bit that corresponds to a 1 in the subnet mask is in the network subnet part of the address Each IP address bit that corresponds to a 0 is in the host part of the IP address A valid subnet mask in...

Page 80: ...trusted IP client definition through the Administration Console the definition is also removed in the Web Management Console and vice versa This command takes effect immediately You are not prompted to confirm the deletion Options Prompt Description Possible Values Default Trusted IP client index One or more index numbers of the IP addresses that you want to remove 1 5 all for a list of selectable...

Page 81: ...ss the system See the Implementation Guide for your system Configure trusted IP clients in this order Define the trusted IP clients using system console security define Display the list of configured trusted IP clients using system console security display to verify that you have configured the trusted IP clients correctly Enable the system to verify trusted IP clients using system console securit...

Page 82: ...y co se m Important Consideration Use system console security display to view the text of the current deny message Options Prompt Description Possible Values Default Deny message Text that is displayed to a prospective user whose IP address does not appear on the list of trusted users Alphanumeric text of up to 85 characters and spaces You are not considered a trusted user Please see your network ...

Page 83: ...d Minimum Abbreviation sy co t t Important Considerations The default inactive time interval is 30 minutes To change the timeout interval value before the system disconnects remote sessions see system console timeout interval next for details Options Prompt Description Possible Values Default Timeout state Whether you want to enable or disable the timeout state enabled disabled disabled ...

Page 84: ...m 1 minute through 60 minutes Valid Minimum Abbreviation sy co t i Important Consideration To enable or disable the inactive timeout interval for remote sessions see the preceding command system console timeout timeOut for details Options Prompt Description Possible Values Default Telnet timeout interval Timeout interval 1 60 minutes 30 ...

Page 85: ...tem snapshot 3500 9000 9400 3900 9300 summary Captures an image of all system summary display screens This display reflects each application s status at the time that you use the snapshot feature Valid Minimum Abbreviation sy sn su ...

Page 86: ...em snapshot 3500 9000 9400 3900 9300 detail Captures an image of all system detail screens The display reflects the current values of all fields and counters at the time that you use the snapshot feature Valid Minimum Abbreviation sy sn d ...

Page 87: ...implementations require that you store the file in the same directory in which the TFTP daemon server is running on the remote host Because TFTP provides no user authentication give the file loose permissions to make it publicly readable and writable TFTP servers do not grant requests for file access On the CoreBuilder 3500 if you use FTP for system fileTransfer you must enter a login name and pas...

Page 88: ...sions on the host to store the system display images 2 From the top level of the Administration Console enter system snapshot save 3 Enter the IP address of the host on which you want to save the display images 4 Enter the full pathname of the file that you designated 5 Enter your username and password While the system sends the files to the host it displays the name of each display image that it ...

Page 89: ...our system You can load the system software into flash memory while the system is operating The system does not have to be powered down Make sure that the FTP server or TFTP server software is running on the device from which you are installing the software Make sure that you have defined an IP address on your system Some FTP servers or TFTP servers do not accept the full pathname If this is true ...

Page 90: ...0 display Displays when the current baseline was last set Valid Minimum Abbreviation sy b d Important Considerations Use this command to determine if you need a newer baseline for viewing statistics The system also indicates if you have not yet set a baseline on the system ...

Page 91: ...baseline set Resets the baseline counters to zero Valid Minimum Abbreviation sy b s Important Considerations Baselining is automatically enabled when you set a baseline The system maintains the accumulated totals since power up The baseline is time stamped ...

Page 92: ...rations When you reenable a baseline the counters return to the values that have accumulated since the most recent baseline that you set Disabling a baseline returns the counters to the total accumulated values since the last power up Options Prompt Description Possible Values Default New value Whether you want to enable or disable the baseline enabled disabled enabled ...

Page 93: ...inal emulator to match your system serial port s baud rate before you can reestablish communication using the terminal port You can use this command through the terminal serial port or through a Telnet session However if you change the terminal speed while you are in a Telnet session you must reboot the system for the change to take effect Options Procedure Local Connection 1 To set the terminal s...

Page 94: ...unicate with any devices connected to the port until you adjust the device baud setting to match If you respond n no the rate does not change and the display returns to the previous menu Procedure IP Interface 1 From the top level of the Administration Console enter system serialPort terminalSpeed 2 Enter the terminal speed setting for the terminal port The terminal speed is referred to as baud ra...

Page 95: ...mmand you must establish a connection between your current Console session and the modem port before you dial in See system serialPort configModem later in this chapter for details Be sure that the baud setting of the modem port matches that of your external modem The system immediately changes the modem port baud setting Options Prompt Description Possible Values Default Modem speed Signal speed ...

Page 96: ...option You must adjust the baud rate setting of your terminal or terminal emulator s terminal interface processor tip to match your system serial port s speed before you can reestablish communication using the terminal port You can use this command through the terminal serial port or through a Telnet session However if you change the terminal speed while you are in a Telnet session you must reboot...

Page 97: ...lity to communicate to any devices connected to it until you adjust the device baud setting to match If you respond n no the rate does not change and the display returns to the previous menu Procedure IP Interface 1 From the top level of the Administration Console enter system serialPort baudRate 2 Enter the baud setting for the terminal port After you select the new baud the system displays the f...

Page 98: ...t the console cable 3 Connect the modem cable The system is ready for you to establish a modem connection See system serialPort configModem next for details To change the serial port configuration from modem to console perform the following steps 1 Change the serial port configuration from modem to console 2 Disconnect the modem cable 3 Connect the console cable The system is ready for you to esta...

Page 99: ...y connected to the external modem You may need to change the baud of the modem to match that of your modem port Procedure 1 From the top level of the Administration Console enter system serialPort configModem You can now enter commands that support the appropriate parameters for your network All characters that you enter are transmitted to the modem port until you type the escape sequence in step ...

Page 100: ...0 3900 9300 enableModem Enables the external modem from the Administration Console Valid Minimum Abbreviation sy se e Important Consideration You must configure the external modem before you can enable it See the configModem command description on the previous page ...

Page 101: ...each system For example name the system according to its physical location as in PARIS ENGLAB1 Use quotation marks around any string that has embedded spaces Use double quotation marks to enter an empty string The new system name appears the next time that you display the system configuration Options Prompt Description Possible Values Default New string New or changed name for the system A string ...

Page 102: ...e to match the system s physical location 00 specifies the year 2000 for all 3Com products See the 3Com Web site for more details Options Field Description DateTime Starting date and time in the following format yyyy mm ddThh mm ss Timezone User configured time zone for example GMT for Greenwich Mean Time dst If you enter y to the prompt a sub menu appears that lists the Daylight Savings Time arou...

Page 103: ...m Web site for more details Procedure 1 To change the system date or time enter da The system displays the current date and time and then prompts you to change the time 2 Enter y yes or n no at the prompt If you respond n the top level menu appears If you respond y the system prompts you for the correct date and time 3 Enter the correct date and time in this format ccyy mm ddThh mm ss Format Descr...

Page 104: ...me zone identifiers before it prompts you to select a time zone index The local time zone value adjusts the server reply universal time to local time properly The default time zone is Greenwich Mean Time GMT Options Index number 28 prompts for an offset from the GMT in the following time format hh mm Prompt Description Possible Values Default Time zone index Index number of the time zone that you ...

Page 105: ...00 PST 10 GMT 9 00 YST 11 GMT 10 00 AHST CAT HST 12 GMT 11 00 NT 13 GMT 12 00 IDLW 14 GMT 1 00 CET FWT MET MEWT SWT 15 GMT 2 00 EET 16 GMT 3 00 BT 17 GMT 4 00 ZP4 18 GMT 5 00 ZP5 19 GMT 5 30 Bombay Calcutta Madras New Dehli Colombo 20 GMT 6 00 ZP6 21 GMT 7 00 WAST 22 GMT 8 00 CCT 23 GMT 9 00 JST 24 GMT 9 30 Darwin Adelaide 25 GMT 10 00 EAST GST 26 GMT 11 00 Magadan Solomon Is N Caledonia 27 GMT 12...

Page 106: ... the prompt If you respond n the Time menu appears If you respond y the system displays the following 1 First Sunday in April to last Sunday in October North America 2 Last Sunday in March to last Sunday in October Europe parts of Asia 3 Last Sunday in October to last Sunday in March Parts of Australia 4 Last Sunday in October to the Sunday on after March 15th New Zealand parts of Australia 5 Ente...

Page 107: ...ension Example ctrlfile nvd When the system saves NV data it writes it to a disk file on a host computer that is a server using TFTP or FTP You can then retrieve the data from the disk file with the restore option Some TFTP implementations require that you store the files in the same directory in which the TFTP daemon server is running on the remote host Some TFTP implementations require a full pa...

Page 108: ...ntry for IP address filename and user name becomes the new default 2 Enter the IP address of the TFTP or FTP server 3 If you are using TFTP and your implementation requires a full path enter the full pathname of the control file Some implementations allow you to specify only the file name and the server uses the default TFTP directory The system prompt says NV Control file so enter the name of the...

Page 109: ...r save as in the following examples Success System NV data successfully stored on host 158 101 112 34 Failure Saving system transfer timed out Error I O error while writing nonvolatile data Do you wish to retry the save using the same parameters n y y 5 To save the data as proposed enter y If you enter n the NV data is not saved and the previous menu appears The text of the failure message depends...

Page 110: ... configured Ethernet addresses are saved as NV data Verify that you have no duplicate addresses when you restore the NV data Options Procedure 1 To restore the NV data from the top level of the Administration Console enter system nvData restore The system prompts you to enter information for restoring the NV data that was saved to a file Prompt Description Possible Values Default Host IP address I...

Page 111: ...forming the restoration see step 4 If there is not an exact match between system IDs module types and module revisions the system displays a warning message and prompts you as follows WARNING mismatch between saved system IDs 27DA00 and current system 28E100 Do you want to disregard this and continue the restore n y y If you want to continue the restoration enter y yes If you do not want to contin...

Page 112: ...the file name and the system uses the default TFTP directory If a session is successfully opened the system displays the header information that corresponds to the file name that you entered Options Prompt Description Possible Values Default Host IP address IP address of the host on which the NV data file resides Any valid IP address Previous IP address used NV control file Location of the NV data...

Page 113: ... you enter n no when you are prompted to confirm the reset the system displays the previous menu CAUTION As a precaution consider saving the existing NV data to a file before you reset all values to the factory defaults Resetting NV data means that NV memory is set back to the factory defaults except for the serial port baud rate modem baud rate and system boot parameters Before you proceed be sur...

Page 114: ... screens Valid Minimum Abbreviation sy cl Important Consideration After you enter this command the system immediately removes diagnostic information about failed modules from the SNMP MIB swSysDiagnosticsGroup Options Prompt Description Possible Values Default Clear the diagnostic block Confirmation of your decision to clear the diagnostic information n no y yes y ...

Page 115: ...lizing if the diagnostic software detects errors and if the system completes initializing the detected errors are written to flash memory and stored in a dynamic error log Valid Minimum Abbreviation mo dia Important Consideration The error messages are saved to flash memory until you power down the system or clear the error log with the system clearDiagBlock command ...

Page 116: ...y Field Description Configuration Information State SNTP state It is either enabled or disabled PollInterval Interval for the client to send requests to a specific server Tolerance Threshold for updating the local system time Servers Information Server Server IP address Mode Client s SNTP operating mode This field always displays Unicast Version Version number of the responding server for example ...

Page 117: ...rtant Considerations You can define up to three SNTP servers for backup purposes Your system provides the SNTP client The system indicates that it is adding the IP address to the SNTP database The server is assigned an index number Options Prompt Description Possible Values Default Server s IP address IP address of a server to add to the SNTP database Valid IP address except 0 0 0 0 ...

Page 118: ...ng Simple Network Time Protocol SNTP server IP address Valid Minimum Abbreviation sy snt m Options Prompt Description Possible Values Default Index Index number of the server that you want to modify Available Server index number Server address IP address of each configured server Valid IP address ...

Page 119: ...rotocol SNTP server IP address from the SNTP server list Valid Minimum Abbreviation sy snt r Options Prompt Description Possible Values Default Index Index number of the server that you want to remove Available Server index number Server address IP address of each configured server Valid IP address ...

Page 120: ...em sntp state Enables or disable the Simple Network Time Protocol SNTP state for the system Valid Minimum Abbreviation sy snt s Options Prompt Description Possible Values Default SNTP state Whether you want to implement SNTP on the system disabled enabled disabled ...

Page 121: ...ocol SNTP client sends a request to the SNTP server Valid Minimum Abbreviation sy snt p Important Consideration The default pollInterval value is once an hour 3600 seconds The value 86400 the pollInterval limit is the number of seconds in a day Options Prompt Description Possible Values Default Request poll interval In seconds the poll interval 64 86400 seconds 3600 ...

Page 122: ... snt to Important Consideration If the difference between the server time and the local time exceeds the specified tolerance threshold the client drops the server time and maintains the current local system time unchanged Options Prompt Description Possible Values Default Time tolerance Time threshold value in seconds that is used to update the local system time 0 3600 seconds 900 ...

Page 123: ...on Console session and starts another session whether your system is connected to the Administration Console by an external modem or through an rlogin or Telnet session To view diagnostic information during reboots connect your system through the Console serial port Options Prompt Description Possible Values Default Reboot the system Confirmation that you want to reboot n no y yes ...

Page 124: ...r for more details Some TFTP implementations require that you store the script file in the same directory in which the TFTP daemon server is running on the remote host Because TFTP provides no user authentication make the file permissions loose so that the public can read and write to the file TFTP servers do not grant requests for file access Procedure 1 From the top level of the Administration C...

Page 125: ...modemSpeed 4800 modem serial port baud Set the system name system name Eng_CoreBuilder_4 Assign an IP address to the system ip interface define 158 101 112 99 IP address for the system 255 255 0 0 subnet mask 1 VLAN interface index ip interface summary all Validate access to management workstation ip ping 158 101 112 26 management workstation address Enable the Spanning Tree Protocol bridge stpSta...

Page 126: ...0 9000 9400 3900 9300 logout Terminates a Telnet session or returns control to the password prompt in a serial port session Valid Minimum Abbreviation logo Important Consideration Press Escape to return to the top level before you log out ...

Page 127: ... Display the module configuration and status Administer a statistics baseline and module redundancy Set the module name and the console screen height View the date and time Manage nonvolatile data nvData Clear the module diagnostic block Reboot a module For more information about administering your module parameters see the CoreBuilder 9000 Implementation Guide ...

Page 128: ... CoreBuilder 9000 8 slot and 16 slot chassis and if you have one or two GEN Switch Fabric Modules installed In addition to the module options you must also use the disconnect option from the top level menu to return to the Enterprise Management Engine EME module menu display snapshot baseline redundancy name time screenHeight nvData clearDiagBlock diagErrLog reboot snapshot menu summary detail Top...

Page 129: ...fails any of the tests at start up Fields in the Module Display Field Description 24 port Gigabit Switching Fabric 32 character alphanumeric name that uniquely identifies this module 3C number Each module s 3Com 3C product identification number Built Date and time when this software version was built Diagnostics Whether a module has passed or failed diagnostics Additional diagnostic messages descr...

Page 130: ...alues in each screen reflect the current values of all fields and counters at the time that you use the snapshot feature Valid Minimum Abbreviation mo sn su Important Consideration If a feature or protocol has only one display option display the module includes the same image in the snapshot of both the summary and the detail display images ...

Page 131: ...reens The display screens contain the current values of all fields and counters at the time that you use the snapshot feature Valid Minimum Abbreviation mo sn de Important Consideration If a feature or protocol has only one display option display the module includes that image with both the summary and detail display images ...

Page 132: ...9300 display Displays when the current baseline was last set Valid Minimum Abbreviation mo ba dis Important Considerations Use this command to determine if you need a newer baseline for viewing statistics The display indicates if you have not set the baseline on a module ...

Page 133: ...iation mo ba set Important Considerations Baselining is automatically enabled when a baseline is set The module maintains the accumulated totals since power on After you disconnect from a module on which you set a baseline the baseline is disabled You must reconnect to that module and use the module baseline requestedState option to reenable the baseline ...

Page 134: ...ce the most recent baseline that you set Disabling a baseline returns the counters to the total accumulated values since the last power on After you disconnect from a module on which you set a baseline the baseline is disabled You must reconnect to that module and use the module baseline requestedState option to reenable the baseline Options Prompt Description Possible Values Default Baseline Whet...

Page 135: ...00 8 slot or 16 slot chassis The Redundancy option appears on the module menu if you have one or two switch fabric modules installed If you only have one switch fabric module installed in the chassis the status of the second switch fabric slot is Not Responding Options Prompt Description Possible Values Default Display Module redundancy configuration and status reset nonRedundant Whether the modul...

Page 136: ...name for each module For example name the module according to its physical location such as CB9000 ENGLAB1 Use quotation marks around any string with embedded spaces The new module name appears the next time that you display the configuration Options Prompt Description Possible Values Default New name New or changed name for the module A string of up to 32 case sensitive characters for information...

Page 137: ...om the module You can only change the date and time from the Enterprise Management Engine EME The CoreBuilder 9000 module s internal clock is initialized when the module is shipped from the factory You may want to reset the EME date and time to match the system s physical location Module Time Example CB9000 slot10 1 12 E FEN TX L3 module time The current module time is 05 20 98 04 37 57 PM ...

Page 138: ...odule displays the menus themselves Each time that the screen output reaches the designated screen height the module prompts you to press a key to display more information Set the screen height to infinite 0 if you do not want the modules to display this prompt At 0 however the screen output can scroll beyond the screen depending on your screen size Most terminal screens are 24 lines Options Promp...

Page 139: ...rom its original settings Resetting the NV data means that all NV memory is set back to the factory defaults Before you proceed be sure that you want to reset your NV data Rebooting a module returns you to the Enterprise Management Engine EME prompt so that you must reconnect to the module Prompts Prompt Description Possible Values Default Do you wish to continue Confirmation prompt Resetting nonv...

Page 140: ...Valid Minimum Abbreviation mo nv sta Important Consideration If you hot swap a module and the staging flag is set to off the new module uses the module default settings for the new module Options Prompt Description Possible Values Default Staging setting Whether you want to enable or disable the NV staging flag off on off ...

Page 141: ...Data 3500 9000 9400 3900 9300 displayDownload Displays emergency download information for your module Valid Minimum Abbreviation mo nv dis Important Consideration The download display shows the following information File Type File Name Server IP ...

Page 142: ...sta Important Considerations If you hot swap a module and the staging flag is set to on the new module adopts the nonvolatile data settings from the old module If you hot swap a module and the staging flag is set to off the new module uses the module default settings for the new module Options Prompt Description Possible Values Default Staging setting Whether you want to enable or disable the NV s...

Page 143: ...s Valid Minimum Abbreviation mo cle Important Considerations The module immediately removes diagnostic information about failed modules from the SNMP MIB swSysDiagnosticsGroup If you enter y yes the module immediately removes the diagnostic information about failed modules from the SNMP MIB swSysDiagnosticsGroup If you enter n no the module displays the previous menu ...

Page 144: ...initializing if the diagnostic software detects errors and if the system completes initializing the detected errors are written to flash memory and stored in a dynamic error log Valid Minimum Abbreviation mo dia Important Consideration The error messages are saved to flash memory until you power down the system or clear the error log with the system clearDiagBlock command ...

Page 145: ...d module Valid Minimum Abbreviation mo reboot Important Considerations Rebooting a module returns you to the Enterprise Management Engine EME prompt so that you must reconnect to the module If you enter y the module reboots If you enter n the previous menu appears on the screen ...

Page 146: ...nnect Disconnects you from the Administration Console and returns you to the Enterprise Management Engine EME module Valid Minimum Abbreviation disc Important Consideration Disconnecting from the Administration Console does not disconnect you from a Telnet session ...

Page 147: ...III ESTABLISHING MANAGEMENT ACCESS Chapter 5 Out of Band Management Chapter 6 Simple Network Management Protocol SNMP ...

Page 148: ......

Page 149: ...rk VLAN See Chapter 14 for information about how to define a VLAN Out of Band Management Assign an IP address and subnet mask for the out of band Ethernet port on your system through the management menu This chapter focuses on out of band management The out of band Ethernet port is the 10BASE T port on the system processor module It is not associated with a port number See Chapter 16 for backgroun...

Page 150: ... of each command description in this chapter for whether your system supports the command rip menu display mode statistics route menu display static remove flush default noDefault findRoute management menu summary detail ip Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect arp menu display static remove flushAll flushDynami...

Page 151: ...shown is the autonegotiated setting When autonegotiation is disabled the value is the user selected port mode autoNegMode Autonegotiation mode configured for port Possible values are enabled or disabled autoNegState Current negotiation state Possible values are disabled configuring completed and failed linkStatus Boolean value indicating the current state of the physical link status for this port ...

Page 152: ...acters rxErrs Sum of all receive errors that are associated with this port summary report only rxFrames Number of frames that were copied into receive buffers by this port txBytes Number of bytes that were transmitted by this port including framing characters txErrs Sum of all transmit errors that are associated with this port summary report only txFrames Number of frames that were transmitted by ...

Page 153: ... is the autonegotiated setting When autonegotiation is disabled the value is the user selected port mode alignmentErrs Number of frames received by this port that are not an integral number of octets in length and do not pass the FCS check autoNegMode Autonegotiation mode configured for port Possible values are enabled or disabled autoNegState Current negotiation state Possible values are disabled...

Page 154: ...X SC reqFlowControl If autonegotiation is disabled a configurable parameter that sets the flow control option on the port If autonegotiation is enabled flow control values are ignored reqPortMode If autonegotiation is disabled a configurable parameter that sets the port mode on Ethernet ports that have port mode options If autonegotiation is enabled port mode values are ignored requestedState Conf...

Page 155: ...rrs Sum of all transmit errors that are associated with this port summary report only txFrameRate Average number of frames transmitted per second by this port during the most recent sampling period Sampling periods are 1 second long not configurable txFrames Number of frames that were transmitted by this port txInternalErrs Number of frames that were discarded because of an internal error during t...

Page 156: ... IP routing status Whether the interface is available to route IP traffic enabled or not disabled RIP status Whether RIP is dynamically configuring its routing tables active or on request passive State State of the IP interface indicating whether the interface is available for communications up or unavailable down Subnet mask 32 bit number that uses the same format and representation as an IP addr...

Page 157: ...s specific to your network and system Any valid IP address Subnet mask 32 bit number that uses the same format and representation as an IP address The subnet mask determines which bits in the IP address are interpreted as the network number the subnet number and the host number Each IP address bit that corresponds to a 1 in the subnet mask is in the network subnet part of the address Each IP addre...

Page 158: ...ment interface that you have already defined Valid Minimum Abbreviation m ip i m Important Consideration Use the management ip statistics command to periodically monitor IP activity for your system The statistics can help determine whether you need to change the IP management interface using the management ip interface modify command ...

Page 159: ...rface if you no longer need it Valid Minimum Abbreviation m ip i r Important Consideration Use the management ip statistics command to periodically monitor IP activity for your system The statistics can help determine whether you need to remove the IP management interface using the management ip interface remove command ...

Page 160: ...face options such as ICMP router discovery appear under ip interface detail and are set on a per interface basis The route table display includes a range for the routing table entries as follows There are n of m possible Routing Table entries Where n is the minimum and m is the maximum number of entries Options Prompt Description Possible Values Default IP address IP address that directs the syste...

Page 161: ...ted gateway Metric Number of networks through which a packet must pass to reach a given destination The system includes the metric in its RIP updates to allow other routers to compare routing information that is received from different sources Status Status of the route See the following route status table Subnet mask Subnet mask that is associated with the IP address of the destination network su...

Page 162: ...table until you remove them or the corresponding interface Static routes take precedence over dynamically learned routes to the same destination Static routes are not included in periodic Routing Information Protocol RIP updates sent by the system Options Prompt Description Possible Values Default Destination IP address IP address of the destination network subnet or host for this route A valid IP...

Page 163: ...nter the command the system deletes the route immediately from the routing table You are not prompted to confirm the deletion Options Prompt Description Possible Values Default Destination IP address IP address associated with the route that you want to delete A valid IP address Subnet mask Subnet mask for the specified IP address A valid subnet mask Based on specified IP address ...

Page 164: ...inimum Abbreviation m ip ro fl Important Considerations The system deletes all learned routes from the routing table immediately You are not prompted to confirm the deletion Flushing the routing table causes Routing Information Protocol RIP to regenerate the routing table The system repopulates the routing table a few seconds after you flush it ...

Page 165: ... route using the Routing Information Protocol RIP or you can statically configure a default route If the routing table does not contain a default route the system cannot forward a packet that does not match any other routing table entry When the system drops the packet it sends an ICMP destination unreachable message to the host that sent the packet Options Prompt Description Possible Values Defau...

Page 166: ... 9000 9400 3900 9300 noDefault Deletes the default route Valid Minimum Abbreviation m ip ro n Important Consideration The system deletes the default route from the routing table immediately after you enter the command You are not prompted to confirm this deletion ...

Page 167: ...o find a route using an IP address or a host name as long as Domain Name System DNS is configured When you enter this command with a valid IP address or host name the system displays the routing table entry Options Prompt Description Possible Values Default IP address or host name IP address that is associated with the route you that want to find or a host name if DNS is configured A valid IP addr...

Page 168: ...rticipates in routing maintains an ARP cache which is a table of known IP addresses and their corresponding MAC addresses The first line in the output the status line indicates whether IP routing is enabled in band only IP interface options such as ICMP router discovery appear under ip interface detail and are set on a per interface basis The second status line indicates the number of entries in t...

Page 169: ...atic Example Select interface index 1 2 2 Enter IP address 158 101 12 12 Enter MAC address 00 00 00 00 00 01 Prompt Description Possible Values Default Interface index Index number of the interface for which you want to define a static ARP entry A valid index number for a list of selectable indexes IP address IP address to use in the entry A valid IP address MAC address Hardware address to use in ...

Page 170: ...ortant Considerations When you enter the command the system deletes the entry immediately from the cache You are not prompted to confirm the deletion If necessary the system subsequently uses ARP to find the new MAC address that corresponds to that IP address Options Prompt Description Possible Values Default IP address IP address that is associated with the entry that you want to delete A valid I...

Page 171: ...viation m ip ar flushA Important Considerations This command applies to the CoreBuilder 3500 only other platforms use ip arp flush To flush dynamic entries only see the management ip arp flushDynamic command next When you enter the command the system deletes all entries immediately from the cache You are not prompted to confirm the deletions ...

Page 172: ...nimum Abbreviation m ip ar flushD Important Considerations This command applies to the CoreBuilder 3500 only other platforms use ip arp flush To flush all entries static and dynamic see the previous management ip arp flushAll command When you enter the command the system deletes all dynamic entries immediately from the cache You are not prompted to confirm the deletions ...

Page 173: ... under ip interface detail and are set on a per interface basis The rest of the output contains more RIP interface information The two available RIP modes are as follows Disabled The system ignores all incoming RIP packets and does not generate any RIP packets of its own Learn The system processes all incoming RIP packets but it does not transmit RIP updates Fields in the Management IP RIP Display...

Page 174: ...not generate any RIP packets of its own Learn The interface processes all incoming RIP packets but it does not transmit RIP updates This is the default RIP mode Advertise The interface broadcasts RIP updates but it does not process incoming RIP packets Enabled The interface broadcasts RIP updates and processes incoming RIP packets Options Prompt Description Possible Values Default IP interfaces In...

Page 175: ...gement IP RIP Mode Example Select menu option management ip rip mode Select IP interfaces 1 all 1 1 Interface 1 Enter RIP Version 1 mode disabled learn learn disabled Interface 1 Enter RIP Version 2 mode disabled learn learn disabled ...

Page 176: ...nt ip rip 3500 9000 9400 3900 9300 statistics Displays general RIP statistics Valid Minimum Abbreviation m ip rip s Fields in the Management IP RIP Statistics Display Field Description queries Number of queries routeChanges Number of route changes ...

Page 177: ... the name server to the list of name server addresses that are associated with the network domain name See ip dns define in Chapter 16 for more information When the system sends an echo request packet to an IP station using ping the system waits for an ICMP echo reply packet Possible responses If the host is reachable the system displays information about the ICMP reply packets and the response ti...

Page 178: ...0 Press Enter key to interrupt PING 158 101 111 50 64 byte packets 64 bytes from 158 101 111 50 icmp_seq 0 time 16 ms 64 bytes from 158 101 111 50 icmp_seq 1 time 19 ms 64 bytes from 158 101 111 50 icmp_seq 2 time 24 ms 158 101 111 50 PING Statistics 3 packets transmitted 3 packets received 0 packet loss round trip ms min avg max 16 20 24 ...

Page 179: ...e Burst option during periods of heavy network traffic Use this option only as a diagnostic tool in a network that has many routers to determine if one of the routers is not forwarding packets For example you can set a high count value 1000 packets and then observe the run lights on the units the run lights blink rapidly on routers that are forwarding packets successfully but remain unlit or blink...

Page 180: ...it took a packet to travel to and from the host When disabled the system displays more detailed status information about each ICMP echo request packet disabled enabled disabled Time between sending each packet wait Number of seconds that the system waits before it sends out successive ICMP echo request packets Set this option to a high value if network traffic is heavy and you do not want to add t...

Page 181: ...ts between sending each packet 1 20 1 2 Configure ICMP sourceAddress n y y Index Interface address 0 Best interface default 1 158 101 117 151 2 158 101 10 1 Select interface index 0 2 0 1 Press Enter key to interrupt PING 158 101 112 56 from 158 101 117 151 64 byte packets 64 bytes from 158 101 112 56 icmp_seq 0 time 26 ms 64 bytes from 158 101 112 56 icmp_seq 1 time 18 ms 64 bytes from 158 101 11...

Page 182: ...igured on a network name server Also you must add the IP address on the name server to the list of name server addresses that are associated with the network domain name See Chapter 16 for more information about ip dns commands To track the route of an IP packet traceRoute launches UDP probe packets with a small TTL value and then listens for an ICMP Time Exceeded reply from a gateway Probes start...

Page 183: ...le Prompt Description Possible Values Default Host name or IP address Host name or IP address of the destination to which you want to trace a route A valid host name or IP address 0 0 0 0 Select menu option ip traceRoute Enter host name IP address 0 0 0 0 158 101 101 40 Press Enter key to interrupt Traceroute to 158 101 101 40 30 hops max 28 bytes packet 1 158 101 117 254 9 ms 22 ms 5 ms 2 158 101...

Page 184: ...escription Possible Values Default Host name or IP address Host name or IP address of the destination that you want to ping A valid host name IP address 0 0 0 0 Maximum ttl Maximum number of hops that the system can use in outgoing probe packets 1 255 hops 30 Destination port Destination or base UDP port number that the system uses in probe packets Set the destination UDP port number to be very hi...

Page 185: ...lt Prompt Description Possible Values Default Select menu option ip advancedTraceRoute Enter host IP address 158 101 101 27 Enter maximum Time to Live ttl 1 255 30 10 Enter Destination Port number 30000 65535 33434 Enter the number of probes to be sent at each ttl level 1 10 3 Enter time sec to wait for a response 1 10 3 Enter the packet size bytes 28 4096 28 Configure TRACEROUTE sourceAddress n y...

Page 186: ...rded because they needed to be fragmented but could not be for example because their Don t Fragment bit was set fragOks Number of IP datagrams that were successfully fragmented inAddrErrors Number of datagrams that the IP station discarded because of an error in the source or destination IP address inDelivers Number of datagrams that the IP station delivered to local IP client protocols inDiscards...

Page 187: ...roadcast address inErrors Number of received UDP or ICMP packets that contain header errors noPorts Number of UDP packets that were received but addressed to an unsupported UDP port outDatagrams Number of UDP packets that were sent by the router Field Description inAddrMaskReps Number of ICMP address mask reply frames that were received inAddrMasks Number of ICMP address mask request packets that ...

Page 188: ...ackets that were sent outEchoReps Number of ICMP echo reply packets that were sent outEchos Number of ICMP echo request packets that were sent outErrors Number of ICMP packets sent that were dropped due to system resource errors outMsgs Number of ICMP packets that were sent outParmProbs Number of ICMP parameter problem packets that were sent outRedirects Number of ICMP redirect packets that were s...

Page 189: ... in band or an out of band IP interface to manage the system with SNMP This chapter provides guidelines and other key information about how to set up SNMP in your system To configure SNMP for system management with SNMP 1 Assign an IP address to either the system processor out of band Ethernet port or an in band Ethernet port 2 Set the destination IP address to which the traps are forwarded by the...

Page 190: ...m The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command trap menu display addModify remove flush smtProxyTraps snmp menu display community trap rmonConfiguration writeDisable Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos...

Page 191: ...tions for the community strings Valid Minimum Abbreviation sn d Fields in the SNMP Display Field Description community string Community strings setting that controls access to the system Read only community strings with the default public Read write community strings with the default private ...

Page 192: ... are valid if the community string in the request matches the agent s read only community string or read write community string You can specify any string value up to 48 characters long Do not use embedded spaces or the symbol If you do not want to change the value of a community string press Return or Enter at either prompt Options SNMP Community Example 3500 Select menu option snmp community Ent...

Page 193: ...viation sn t d Fields in the SNMP Trap Display Field Description Trap description Description of the system event that triggers the trap Trap destinations configured IP address of the system that is to receive event notification Trap number Identifying number of the trap that is associated with a system event Trap numbers enabled Traps that are active ...

Page 194: ...entered is not a valid end station if a valid IP interface is not defined on the system or if the agent does not have a route to the destination the agent displays this message Trap address invalid or unreachable If you see this message verify the IP address of the end station that it is online and that a route exists to the intended management station See the Device Monitoring chapter in the Impl...

Page 195: ... Failure 13 3C System MIB Address Threshold 14 3C System MIB System Fan Failure 15 3C FDDI MIB SMT Hold Condition 16 3C FDDI MIB SMT Peer Wrap Condition 17 3C FDDI MIB MAC Duplicate Address Condition 18 3C FDDI MIB MAC Frame Error Condition 19 3C FDDI MIB MAC Not Copied Condition 20 3C FDDI MIB MAC Neighbor Change 21 3C FDDI MIB MAC Path Change 22 3C FDDI MIB Port LER Condition 23 3C FDDI MIB Port...

Page 196: ... 3500 9000 9400 3900 9300 snmp trap remove Removes a destination so that no SNMP traps are reported to that destination Valid Minimum Abbreviation sn t r Important Consideration When the system removes the destination address it displays the previous menu ...

Page 197: ...00 snmp trap flush Removes all SNMP trap reporting destinations Valid Minimum Abbreviation sn t f Important Consideration When you flush the SNMP trap reporting destinations you remove all trap destination address information for the SNMP agent ...

Page 198: ... only Controls SNMP s ability to alert you by means of an SNMP to SMT proxy that a significant event is occurring in the Fiber Distributed Data Interface FDDI station statistics Valid Minimum Abbreviation sn t s Options Prompt Description Possible Values Default SNMP to SMT proxy mode Whether the SMT proxy agent is enabled or disabled enabled disabled disabled ...

Page 199: ... Fiber Distributed Data Interface FDDI statistics as follows receive Monitors incoming port data transmitAndReceive Monitors incoming and outgoing port data Valid Minimum Abbreviation sn r Options Prompt Description Possible Values Default Transmit receive mode Whether RMON is configured for only incoming port data or for both incoming and outgoing port data receive transmitAndReceive Current sett...

Page 200: ...MP 3500 9000 9400 3900 9300 snmp writeDisable Allows or disallows SNMP write requests Valid Minimum Abbreviation sn w Options Prompt Description Possible Values Default SNMP write request mode Whether SNMP write access is enabled or disabled off on off ...

Page 201: ...IV PHYSICAL PORT PARAMETERS Chapter 7 Ethernet Ports Chapter 8 Fiber Distributed Data Interface FDDI ...

Page 202: ......

Page 203: ...ort numbering and how to configure Ethernet ports see the Implementation Guide for your system Menu Structure The commands that you can use depend on your system your level of access and the modules and other hardware options that are configured for your system The following diagram shows the list of commands for all systems The checklist at the beginning of each command description in this chapte...

Page 204: ... is assigned to a Gigabit Ethernet module in switches that use Gigabit Ethernet modules The system no longer assigns port number 1 to the out of band management port which does not receive a port number The rxFrames value that the Ethernet summary command reports for a bridge port may differ from the value that the bridge port summary command reports The Ethernet summary command counts all frames ...

Page 205: ... portLabel User defined label name The maximum length of the string is 32 characters including the null terminator portState Current software operational state of this port Possible values are on line off line partitioned tx fault and config error The value on line appears when the port is both enabled and connected to a cable The value partitioned appears when the port has been disabled by the et...

Page 206: ... channel 9000 switch fabric module Maps a CoreBuilder 9000 switch fabric module port to an interface module backplane link The channel designation is just a backplane trace number For example to troubleshoot a problem with switch fabric module port 5 slot channel 3 1 look at the first backplane link for slot 3 slot port 9000 Module slot and port number in the CoreBuilder 9000 system txBytes Number...

Page 207: ... a Gigabit Ethernet module in switches that use Gigabit Ethernet modules The system no longer assigns port number 1 to the out of band management port which does not receive a port number The rxFrames value that the Ethernet detail command reports for a bridge port may differ from the value that the bridge port detail command reports The Ethernet detail command counts all frames that are delivered...

Page 208: ...transmitting a frame from this port excessCollision 3500 3900 and 9000 Number of frames that have been dropped because they experienced 15 consecutive collisions when sent from this port This value is incremented by 1 each time that a frame experiences 15 consecutive collisions excessDeferrals 3500 and 9000 Layer 3 Number of frames that were not transmitted on this port because the maximum allowed...

Page 209: ...erational state of this port Possible values are on line off line partitioned tx fault and config error The value on line appears when the port is both enabled and connected to a cable The value partitioned appears when the port has been disabled by the ethernet port monitoring feature portType Specific description of this port s type Values for each port type 10 100BASE T RJ45 100BASE FX SC 1000B...

Page 210: ...otocol or application by this port rxPeakByteRate Peak value of ethernetPortByteReceiveRate for this port since the station was last initialized rxPeakFrameRate Peak value of ethernetPortFrameReceiveRate for this port since the station was last initialized rxUnicasts Number of unicast nonmulticast frames that were delivered by this port to a higher level protocol or application singleCollision 350...

Page 211: ...rames that were queued for transmission from this port by a higher level protocol or application including frames not transmitted successfully txPeakByteRate Peak value of ethernetPortByteTransmitRate for this port since the station was last initialized txPeakFrameRate Peak value of ethernetPortFrameTransmitRate for this port since the station was last initialized txQOverflows Number of frames los...

Page 212: ...quested flowControl information for 1000BASE SX ports When you disable autonegotiation the system recognizes the requested portMode values for ports that have portMode options and the requested flowControl values for 1000BASE SX ports 100BASE FX ports and backplane ports do not support autonegotiation Therefore it is extremely important that you understand how to implement flowcontrol and portMode...

Page 213: ... If the port speeds differ the link does not come up If the duplex modes differ link errors occur Gigabit Ethernet ports do not support mode options The value all refers only to ports that support port mode options If you change to full duplex mode on the port a message indicates that collision detection will be disabled unless you configure the connected device to the same duplex mode Disable aut...

Page 214: ...display a port summary specify After you have selected the ports the system prompts you to enter the port mode for the ports that you selected Prompt Description Possible Values Default Port Ports for which you want to change the portMode values A single port A range of ports all to display a port summary Port mode setting Speed and duplex mode for each of the ports that you selected See Important...

Page 215: ...f packets are being sent too rapidly Send flow control packets to a sending device to request that the device slow its speed of transmission to the port The system does not count flow control packets in either receive or transmit statistics Options Prompt Description Possible Values Default Port selection Ports for which you want to set flow control characteristics A single port A range of ports a...

Page 216: ...ackets as necessary to slow incoming traffic Gigabit Ethernet Fast Ethernet off Port ignores flow control packets and does not generate them Gigabit Ethernet Fast Ethernet rxOn Port recognizes flow control packets and responds by halting transmission The port does not generate flow control packets Gigabit Ethernet txOn Port ignores flow control packets but it can generate them if necessary Gigabit...

Page 217: ...le timing optimal LAN bandwidth utilization and data prioritization for time sensitive multimedia and real time applications and data only applications PACE Interactive Access employs a back off algorithm that enables your system to control traffic flow on a point to point link with an end station When the network experiences congestion the switch holds packets PACE Interactive Access prevents an ...

Page 218: ...e reliable timing optimal LAN bandwidth utilization and data prioritization for time sensitive multimedia and real time applications and data only applications PACE Interactive Access employs a back off algorithm that enables your system to control traffic flow on a point to point link with an end station When the network experiences congestion the switch holds packets PACE Interactive Access prev...

Page 219: ...ttached to them such as LANs workstations or servers For example engineeringserver A new port label appears in system displays the next time that you display information for that port Options Prompt Description Possible Values Default Port selection Ports for which you want to define a port label A range of port numbers all to display a port summary Port label Labels that appear the next time that...

Page 220: ...ple 1 24 all enter the ports whose port state values you want to set or to display a port summary specify 3 Enter enabled or disabled for each Ethernet port The portState value shown in the summary and detail displays reports on line for all enabled ports that are displayed and off line for all disabled ports The Port Status LED for each disabled port on the module indicates the disabled status Pr...

Page 221: ...breviation e m s Important Consideration The Ethernet monitoring feature in enabled by default and performs these functions 1 Monitors 10 100Mbps Ethernet ports for excessive collisions multiple collisions late collisions runts and FCS errors 2 Compares these error counters against user defined thresholds 3 Disables a port that reaches an error threshold 4 Reports the reason that a port is disable...

Page 222: ...orts partitioned The portState value shown in the ethernet summary and ethernet detail displays reports partitioned The linkStatus value shown in the ethernet summary and ethernet detail displays reports disabled When the monitoring feature reenables the port port statistics resume normal values The Ethernet monitoring feature in enabled by default and performs these functions 1 Monitors 10 100Mbp...

Page 223: ...of modules and other hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command stationMode menu display modify path menu display tvxLowerBound tmaxLowerBound maxTreq station menu display connectPolicy tNotif...

Page 224: ... ECM state machine ports Ports numbers assigned to the FDDI module The FDDI port numbers change depending on the configuration of your system remoteDisconnect Flag indicating that the station was remotely disconnected from the network as a result of receiving an fddiSMTAction with the value of disconnect in a Parameter Management Frame PMF A station requires a Connect Action to rejoin the network ...

Page 225: ...e valid M M connections are accepted so that one CoreBuilder 3500 port can be connected to another system port Options Bit to Set for Rejecting a Station Connection Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the connection policies Any of the available ports on the installed FDDI modules all connectPolicy Bit string that represents the...

Page 226: ...y and secondary rings notify SMT B S 6 Undesirable peer connection that creates a wrapped ring notify SMT B M 7 Tree connection with possible redundancy The node may not go to Thru state in CFM In a single MAC node Port B has precedence with defaults for connecting to a Port M M A 12 Tree connection with possible redundancy M B 13 Tree connection with possible redundancy M S 14 Normal tree connect...

Page 227: ...y to station changes but uses more bandwidth If you set the T notify value high less bandwidth is used but your network does not react to station changes as quickly Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the neighbor notification timer Any of the available ports on the installed FDDI modules all tnotify Timer in seconds use...

Page 228: ...stening to these event reports or if you use SNMP to monitor FDDI events on all FDDI end stations set this attribute to disabled so that the station does not generate SRFs Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set statusReporting Any of the available ports on the installed FDDI modules all statusReporting Parameter that contro...

Page 229: ...he configuration of your system ringLatency Total accumulated latency of the ring that is associated with this path tmaxLowBound Minimum time value of fddiMACT Max that any MAC that is configured in this path uses This value can be user defined traceStatus Current trace status of the path tvxLowBound Minimum time value of fddiMACTvxValue that any MAC that is configured in this path uses This value...

Page 230: ...t the ring might be reinitialized when there is no problem The higher you set this value the less chance of frequent reinitializations but the network takes longer to recover from errors You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports O...

Page 231: ...ltiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the tmaxLowerBound Any of the available ports on the installed FDDI modules all Path Path that you want to set A DAS port has primary ...

Page 232: ...gher values of T_Opr use less bandwidth to circulate the token but they increase token latency when the ring is saturated You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports One or mo...

Page 233: ...bor Errors Sum of errorCount lateCount lostCount and tvxExpiredCount noRxBuffers Number of frames discarded because no buffer space was available port Port numbers assigned to the FDDI module The FDDI port numbers change depending on the configuration of your system rxBytes Number of bytes that this MAC received rxErrors Number of errors that this MAC received rxFrames Number of frames that this M...

Page 234: ...hbor dupAddrTest Pass or fail test for a duplicate address duplicateAddr Whether this address is duplicated on the FDDI ring errorCount Number of SMT MAC errors frameCount Number of frames that this MAC received frameErrCond Active when the frameErrorRatio is greater than or equal to frameErrorThresh frameErrorRatio Ratio of the number lostCount plus the frameErrorCount divided by the frameCount p...

Page 235: ...application Does not include frames that were not received into receive buffers such as missed frames rxFrameRate Average number of frames per second that this MAC received during the most recent sampling period rxFrames Number of frames that this MAC received rxInternalErrs Number of frames discarded because of an internal hardware error during reception rxMulticasts Number of multicast frames th...

Page 236: ...rames Number of frames that this MAC transmitted This number does not include MAC frames txInternalErrs Number of frames discarded because of an internal hardware error during transmission txMulticasts Number of multicast frames queued for transmission by a higher level protocol or application including frames not transmitted successfully txPeakByteRate Peak value of fddiMACByteTransmitRate for th...

Page 237: ...ector You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the mac frameErrorThreshold Any of the available ports on the instal...

Page 238: ... station You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the mac notCopiedThreshold Any of the available ports on the inst...

Page 239: ...u have disabled data traffic from the MAC the MAC still participates in neighbor notification and is visible to network management You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports ...

Page 240: ...to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the MAC path Any of the available ports on the installed FDDI modules all MAC path Path assignments...

Page 241: ...r of times that the link error monitor rejected the link lerAlarm Link error rate estimate at which a link connection generates an alarm lerCondition Whether the lerEstimate is less than or equal to lerAlarm lerCutoff Link error rate estimate at which a link connection is broken lerEstimate Average link error rate It ranges from 10 4 to 10 15 and is reported as the absolute value of the exponent o...

Page 242: ...work manager software indicating a problem with a port Set the lerAlarm value below these values so that you receive alarms only if your network is in poor health The SMT Standard recommended value is 8 You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to al...

Page 243: ...hat a port is removed only as a last resort The SMT Standard recommended value is 7 The lerCutoff value is expressed as an exponent such as 1 x 10 10 A healthy network has an LER exponent between 1 x 10 10 and 1 x 10 15 You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then...

Page 244: ...orts for management Valid Minimum Abbreviation fd po label Important Consideration You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you wan...

Page 245: ...lid Minimum Abbreviation fd po p Options Prompt Description Possible Values Default Ports One or more FDDI station ports for which you want to set the path Any of the available ports on the installed FDDI modules all Path Sets the type of path used by the port isol isolates the port from the ring pri sets the port to be part of the primary ring isol pri pri ...

Page 246: ...ment Station for each FDDI port Valid Minimum Abbreviation fd stationM d Important Consideration Before the new stationMode takes effect you must reboot your system Fields in the FDDI Station Mode Display Field Description Ports Ports numbers that are assigned to the FDDI module The FDDI port numbers change depending on the configuration of your system stationMode Current FDDI stationMode DAS or S...

Page 247: ...your system You can use this command to configure the same setting on multiple ports simultaneously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Options Prompt Description Possible Values Default Ports FDDI station port for which you want to set the stationMode Any of the available ports on the installed FDDI modules al...

Page 248: ...248 CHAPTER 8 FIBER DISTRIBUTED DATA INTERFACE FDDI ...

Page 249: ...METERS Chapter 9 Bridge Wide Parameters Chapter 10 Bridge Port Parameters Chapter 11 Trunks Chapter 12 MultiPort Link Aggregation MPLA Chapter 13 Resilient Links Chapter 14 Virtual LANs VLANs Chapter 15 Packet Filters ...

Page 250: ......

Page 251: ...ther hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect bridge menu display...

Page 252: ...0 and 9000 L3 modules see bridge addressThreshold later in this chapter This option is not available for the 3900 9300 9400 and 9000 L2 modules at this release agingTime Configurable time period in seconds that the bridge uses to age out dynamic addresses except when a topology change has occurred After a topology change the bridge uses the value shown in the forwardDelay field instead until it re...

Page 253: ...des the root bridge s priority value and the MAC address of port 1 on that bridge forwardDelay Time period in seconds that the bridge spends in each of two states listening and learning as assigned by the root bridge Compare with the bridgeFwdDelay field gvrpState 3500 and 9000 L3 Status of GARP VLAN Registration Protocol GVRP for the entire bridge You configure GVRP as a bridge state as well as i...

Page 254: ... path lowest value from the bridge root port to the root bridge The value sums individual port path costs To configure path costs for ports on the bridge see bridge port stpCost in Chapter 10 rootPort Logical port with the best path from the bridge to the root bridge stpGroupAddress Address to which the bridge listens to receive configuration messages and other STP information To modify the STP gr...

Page 255: ...your system can communicate using IP when FDDI stations transmit packets that are too large for Ethernet IP fragmentation divides such large FDDI packets into smaller packets that can be bridged to Ethernet LANs Valid Minimum Abbreviation b ipf Options Prompt Description Possible Values Default ipFragmentation value Whether large FDDI packets can be divided into smaller packets so that they can be...

Page 256: ...ed from FDDI to Ethernet Valid Minimum Abbreviation b ipx Important Consideration When IPX SNAP Translation is disabled the system uses standard IEEE 802 1H bridging to translate 802 3_RAW packets to FDDI_RAW packets when they are forwarded from Ethernet to FDDI and vice versa from FDDI to Ethernet Options Prompt Description Possible Values Default ipx SnapTranslation Whether the system uses IPX S...

Page 257: ...Considerations The bridge address table size on CoreBuilder switches is 32K that is the bridge can store a maximum of 32768 addresses The range of valid values for this parameter is between 1 and 1 plus the address table size Setting the address threshold to the highest possible value prevents the system from generating the trap because the value can never be reached Options Prompt Description Pos...

Page 258: ...iderations Use this parameter to configure the system to age addresses in a timely manner without increasing packet flooding To disable the bridge aging function set the value to 0 This parameter does not affect statically configured addresses Options Prompt Description Possible Values Default aging time Maximum period in seconds for aging out dynamically learned forwarding information 0 to disabl...

Page 259: ... following STP bridge parameters priority max age hello time forward delay and group address These values do not function until STP is enabled CoreBuilder 3500 and CoreBuilder 9000 Layer 3 modules include an ignore STP mode option See Chapter 14 in this guide or see your system Implementation Guide for more information Bridge wide STP must be disabled on a CoreBuilder 9400 switch if you configure ...

Page 260: ... 3900 9300 9400 Whether the Spanning Tree Protocol is enabled or disabled for the system enabled disabled disabled factory default or current value stpState 9000 L2 and L3 Whether the Spanning Tree Protocol is enabled or disabled for the module enabled disabled enabled factory default or current value ...

Page 261: ...ressed as a hexidecimal value The characters Ox signify this The lower the bridge s priority value the more likely it is that the bridge is chosen as the root bridge or a designated bridge You can change the value while STP is disabled or enabled If you change the value while STP is disabled the value is retained when you enable STP Options Prompt Description Possible Values Default STP priority B...

Page 262: ...If the value is too large the network may take longer than necessary to adjust to a new STP configuration after a topology change such as the restarting of a bridge A conservative value assumes a delay variance of 2 seconds per hop The recommended and default value is 20 seconds Although the possible range for stpMaxAge is 6 40 the available range is constrained by the following inequalities 2 x s...

Page 263: ...g configuration messages is high shorten the time to make the protocol more robust If the probability of losing configuration messages is low lengthen the time to lower the overhead of the algorithm The recommended Hello time is 2 seconds Although the possible range for stpHelloTime is 1 10 the available range is constrained by the following inequality stpMaxAge 2 x stpHelloTime 1 second Options P...

Page 264: ...network The recommended and default value is 15 seconds Setting the value too low can result in temporary loops while STP reconfigures the topology Setting the value too high can lead to a longer wait while STP reconfigures the topology If the configuration was not successful the system notifies you that your changes failed and you can try to reenter the changes Although the possible range for stp...

Page 265: ...tions Because there is no industry standard for a group address products from different vendors may respond to different group addresses If STP does not seem to be working in a mixed vendor environment other vendors products may use different group addresses as their defaults If that is true set the STP group address to be the same across all bridges in the network Before you can modify the STP gr...

Page 266: ...al bridge ports see Chapter 10 To maximize the effectiveness of GVRP it should be enabled in as many end stations and network devices as possible VLANs that are created dynamically with GVRP exist only as long as a GVRP enabled device is sending updates If the devices no longer send updates or if GVRP is disabled or if the system is rebooted all dynamic VLANs are removed If you disable GVRP after ...

Page 267: ...lways processed in the low priority queue along with tagged packets with priority values that match the low priority queue configuration CoS is enabled by default and initial queue assignments conform with IEEE 802 1p recommendations that is priorities 0 3 are assigned to the low priority queue and priorities 4 7 are assigned to the high priority queue To modify queue assignments see bridge cos mo...

Page 268: ...classes 4 5 6 and 7 and queue 2 low priority has classes 0 1 2 and 3 If CoS is disabled indicated at the top of the display the display reflects the most recent configuration even though it is no longer active Options Fields in the Bridge CoS Summary Display Prompt Description Possible Values Default Queue index number Number of the queue for which you want to see information 1 2 all Field Descrip...

Page 269: ... the remaining priority values to the other queue If CoS is disabled you can still modify the queue settings however they do not affect traffic until CoS is enabled Options Prompt Description Possible Values Default Queue index Number of the device queue whose settings you want to modify 1 2 for a list of selectable indexes Rate limit Throughput limit that applies only to queue 1 and is expressed ...

Page 270: ...u i su Important Consideration For the CoreBuilder 3500 system and CoreBuilder 9000 Layer 3 modules IGMP commands exist under the ip multicast igmp menu Fields in the Bridge Multicast IGMP Summary Display Field Description igmp snooping Whether the IGMP snooping function is enabled or disabled for the entire system igmp querying Whether the system is enabled to operate as an IGMP querier IGMP snoo...

Page 271: ...ect applies to the entire system or module IGMP snooping must be disabled on a CoreBuilder 9400 switch if you configure it as a MultiPoint Link Aggregation MPLA core switch For more information about MPLA see the CoreBuilder 9400 Implementation Guide For the CoreBuilder 3500 system and CoreBuilder 9000 Layer 3 modules IGMP commands exist under the ip multicast igmp menu Options Prompt Description ...

Page 272: ...t traffic from occupying unnecessary bandwidth the best device to operate as the querier is the one closest to the source of IP multicast traffic You can disable querying on select devices or manipulate IP addresses with the bridge multicast igmp queryIpAddress command to force this configuration IGMP querying must be disabled on a CoreBuilder 9400 switch if you configure it as a MultiPoint Link A...

Page 273: ...mmand only if you want the system to use a different source IP address for query packets If there are no in band IP interfaces configured and you want to enable querying you must enter an IP address with this command For a CoreBuilder 9000 Layer 2 switching module to offer itself as a querier you must enter an IP address with this command For the CoreBuilder 3500 system and CoreBuilder 9000 Layer ...

Page 274: ...lies to Layer 2 switching modules only If IGMP snooping is enabled lists the VLAN IDs of VLANs that are carrying IP multicast traffic Valid Minimum Abbreviation b mu i v Important Consideration For the CoreBuilder 3500 system and CoreBuilder 9000 Layer 3 modules IGMP commands exist under the ip multicast igmp menu ...

Page 275: ...c is present on the selected VLAN you see this message No groups exist for this VLAN Options Fields in the Bridge Multicast IGMP Groups Display Prompt Description Possible Values Default VLAN ID ID number of the VLAN for which you want to display group and port information A valid VLAN ID VID number for a list of selectable VIDs 1 Default VLAN Field Description VLAN ID ID number of the selected VL...

Page 276: ...der 3500 system and CoreBuilder 9000 Layer 3 modules IGMP commands exist under the ip multicast igmp menu If the system or module is not functioning as the querier you see this message Device IS NOT designated querier on VLAN If the system or module is functioning as the querier you see this message Device IS designated querier on VLAN Options Prompt Description Possible Values Default VLAN ID ID ...

Page 277: ...ing routing protocols Distance Vector Multicast Routing Protocol DVMRP Multicast Open Shortest Path First MOSPF and Protocol Independent Multicast PIM Router port entries age out after 100 seconds Routing protocol advertisements are usually sent every few seconds For the CoreBuilder 3500 system and CoreBuilder 9000 Layer 3 modules IGMP commands exist under the ip multicast igmp menu Options Prompt...

Page 278: ... If no query packets have been received within the last five minutes approximately when you enter this command the system responds No queries are heard by the switch For the CoreBuilder 3500 system and CoreBuilder 9000 Layer 3 modules IGMP commands exist under the ip multicast igmp menu Options Prompt Description Possible Values Default VLAN ID ID number of the VLAN for which you want to display t...

Page 279: ...of access and the types of modules and other hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log scri...

Page 280: ...rget which port is the anchor port You must use the anchor port number to display a port summary for a trunk Fields in the Bridge Port Summary Display Field Description fwdTransitions Number of times that the port has entered the forwarding state since you enabled STP or rebooted the system This value is useful for determining the relative stability of the topology gvrpState 3500 9000 L3 Whether G...

Page 281: ...shown in the rxFrames field in the Ethernet display state Current operating state of the port Blocking The bridge continues to run STP on the port but the bridge does not receive packets from the port learn locations of station addresses from it or forward packets onto it Listening The bridge continues to run STP and to transmit configuration messages on the port but it discards packets that are r...

Page 282: ...r frame transmission removed STP is disabled on the port but the port can still receive or transmit frames if its link state is up If bridge wide STP is disabled the port STP setting has no effect as long as its link state is up the port forwards all valid frames To see a matrix of port and bridge STP settings see bridge port stpState in this chapter txFrames Number of frames that this port has tr...

Page 283: ...ld Description designatedBridge Identity of the designated bridge of the LAN to which the port is attached It is an STP port parameter designatedCost Cost through this port to get to the root bridge The designated cost of the root port is the same as the cost that is received in incoming BPDUs from the designated bridge for that LAN It is an STP port parameter designatedPort Identity of the design...

Page 284: ... and is considered the most significant portion because it is the first factor that determines if a port is to be the designated port when more than one bridge port is attached to the same LAN The lowest priority is chosen If all ports in a bridge have the same priority then the port number is used as the determining factor rxAllFilters 3500 and 9000 L3 Number of frames that the bridge port discar...

Page 285: ...st limit operates both multicast and broadcast frames or broadcast frames only The default value is McastBcast To configure this option see bridge port multicastLimit in this chapter rxNoDestDiscs 3900 9300 9400 and 9000 L2 Number of frames that this port discarded because of an unknown VLAN ID or because the port was in a non forwarding Spanning Tree state rxNoRescrDiscs 3500 and 9000 L3 Number o...

Page 286: ...r the bridge Disabled Management has disabled the port or the link state is down stp Configurable status of STP on a port Provided that bride wide STP is enabled the port STP configuration states function as follows enabled STP sets the operating state of the port blocking listening etc according to network topology characteristics This is the default configuration for all ports disabled STP is di...

Page 287: ...only if the frame is for a protocol that the local bridging function is processing includes bridge management frames txMcastFilters 3500 and 9000 L3 Number of frames that this port discarded because of a user defined packet filter on its transmit multicast path txMtuExcDiscs 3500 and 9000 L3 Number of frames that this port discarded because of excessive size Field Description ...

Page 288: ...west numbered port only However be aware that the limit that you specify applies separately to each link in the trunk even though you only enter it once that is it is not an aggregate For a larger array of similar options in the CoreBuilder 3500 and 9000 Layer 3 modules see the Quality of Service QoS chapter in this guide Chapter 22 and in the appropriate Implementation Guide Options Prompt Descri...

Page 289: ...e explains the forwarding behavior of a port based on its bridge and port STP states Options Bridge STP State Port STP State Port Participates in STP Port Forwards Frames Disabled Disabled No Yes if link state is up Enabled No Yes if link state is up Removed No Yes if link state is up Enabled Disabled No No Enabled Yes Determined by STP provided that the port link state is up Removed No Yes if lin...

Page 290: ... reached through the port more likely to be low in the Spanning Tree topology The lower the LAN is in the topology the less through traffic it carries For this reason you may want to assign a large path cost to a LAN that has a lower bandwidth or to one on which you want to minimize traffic If your configuration is successful the previous menu appears If the configuration is not successful the sys...

Page 291: ...neously When you specify multiple port numbers the system prompts you to choose the setting and then applies it to all of the ports Port priority is a 1 octet value written in hexidecimal format If all ports in a bridge have the same priority value then the port number is used as the determining factor If your configuration is successful the previous menu appears If the configuration is not succes...

Page 292: ...enable GVRP on a port but you have not enabled it for the bridge GVRP does not function To maximize the effectiveness of GVRP it should be enabled in as many end stations and network devices as possible GVRP updates are not sent to any blocked Spanning Tree Protocol STP ports GVRP operates only on ports that are in the forwarding state If GVRP is enabled on the bridge and on a given port which cha...

Page 293: ...ed with a trunk the display groups ports that are associated with a trunk on one line for example 3 4 6 and lists the addresses that are associated with the trunk Options Prompt Description Possible Values Default VLAN interface indexes only if in allClosed mode Index numbers of the VLANs to which the desired bridge ports belong One or more valid VLAN indexes all for a list of selectable VLANs Bri...

Page 294: ...ith the trunk A statically configured address is never aged out of the address table and cannot be learned on a different port You must first remove it from its former port Options Prompt Description Possible Values Default VLAN interface indexes only if in allClosed mode Index numbers of the VLANs to which the desired bridge ports belong One or more valid VLAN indexes all for a list of selectable...

Page 295: ... used to remove only static MAC addresses because the bridge could relearn a dynamic MAC address shortly after you remove it Options Prompt Description Possible Values Default VLAN interface indexes only if in allClosed mode Index numbers of the VLANs to which the desired bridge ports belong One or more valid VLAN indexes all for a list of selectable VLANs MAC address MAC address that you want to ...

Page 296: ...e port as well as the vlan index number if the system is in allClosed mode that is associated with a specified MAC address Valid Minimum Abbreviation b po a fi Options Prompt Description Possible Values Default MAC address MAC address canonical address that you want to find on the system A valid MAC address ...

Page 297: ...ally Valid Minimum Abbreviation b po a flusha Important Consideration If the bridge is power cycled reset or rebooted the address table is automatically flushed Options Prompt Description Possible Values Default VLAN interface indexes only if in allClosed mode Index numbers of the VLANs to which the desired bridge ports belong One or more valid VLAN indexes all for a list of selectable VLANs Bridg...

Page 298: ...o a flushd Important Consideration If the bridge is power cycled reset or rebooted the address table is automatically flushed Options Prompt Description Possible Values Default VLAN interface indexes only if in allClosed mode Index numbers of the VLANs to which the desired bridge ports belong One or more valid VLAN indexes all for a list of selectable VLANs Bridge ports Bridge ports for which you ...

Page 299: ...SNMP management do not distinguish a trunk from any other network port Unlike for any other network port the system automatically distributes traffic across the ports that are associated with a trunk If any of the trunk s ports go down or up the system automatically redistributes traffic across the new arrangement of operational ports For more trunking information see the Implementation Guide for ...

Page 300: ...the checklist at the beginning of each command description in this chapter for whether your system supports the command bridge menu display ipFragmentation ipxSnapTranslation addressThreshold agingTime spanningTree gvrpState cos port multicast packetFilter vlan trunk mpla link Top Level Menu system management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect trun...

Page 301: ...ace modules The Gigabit Ethernet GEN Switch Fabric Module Model Number 3CB9FG24T has 24 non blocking Gigabit Ethernet ports that connect to the chassis backplane to provide high speed low latency connectivity between CoreBuilder 9000 interface modules The GEN Switch Fabric Module supports port trunking for 12 groups with up to six ports in a group Fields in the Bridge Trunk autoMap Summary Display...

Page 302: ... backplane trunking through the interface modules When you enable autoMap on a module in a specific slot the switch fabric module verifies that the switch fabric module and the interface module s backplane configuration support dynamic backplane mapping When you disable autoMap on a module in a specific slot the switch fabric module verifies that the interface module s backplane configuration is c...

Page 303: ...ace module must reconfigure to support backplane configuration requirements If the switch fabric module or interface module must reconfigure then a message is sent to the user that a reset is required Fabric reset required for trunk configuration to be effective for the module in slot x If autoMap is disabled the switch fabric module verifies that the interface module s backplane configuration is ...

Page 304: ...Control Message Protocol TCMP is enabled or disabled and whether the port link is up or down Valid Minimum Abbreviation b t s Fields in the Bridge Trunk Summary Display Field Description Index Identifying number that the system assigned to the trunk You can select all or one trunk Name Trunk name that you defined Ports Port numbers in the trunk State Whether the trunk is up or down TCMP Whether th...

Page 305: ...er that the system assigned to the trunk Node trunk id list Node trunk identifications that each port has detected on the trunk Ports Ports in the trunk The second half of the display lists each individual port in each trunk Present Number of ports that participate in the trunk rxBadType Number of TCMP messages received that contain a bad TCMP Type field rxBadVersion Number of TCMP messages receiv...

Page 306: ...e trunk but not yet active in the trunk inUse Active in the trunk Trunk state State up or down of each port link in the trunk txFrames Number of TCMP messages that were transmitted on each port txHellos Number of TCMP helloMessages that were transmitted on each port Type The network type that you assigned to the ports in the trunk for example FDDI Fast_Ethernet or Gigabit_Ethernet Field Descriptio...

Page 307: ... you have the default VLAN as well as IP VLANs and you then define a trunk with ports in one of the IP VLANs the system removes those ports from that VLAN and places them in the default VLAN You must modify the VLAN and add the new bridge ports to the appropriate VLAN This situation does not apply if you have only the default VLAN all ports are part of the default VLAN When you define a VLAN to in...

Page 308: ...rebooting a module returns you to the EME prompt which requires you to reconnect to the module The following considerations apply to the trunk clustering function MultiPoint Link Aggregation MPLA in the CoreBuilder 9400 system When you configure a new switch define multipoint aggregated links and reboot the system before you define other trunks and VLANs on the switch On a reboot existing trunks a...

Page 309: ... can contain up to 3 ports The FGA24 switch fabric module supports up to 4 trunk groups with up to 6 ports per trunk and the FGA24T and GA9 switch fabric modules support up to 12 trunk groups with up to 6 ports per trunk The GA9 cannot support 12 trunk groups because there are not enough ports on this module 3500 Supports up to 4 trunk groups with up to 8 ports per trunk 3900 Supports up to 4 trun...

Page 310: ...ode 100half 100full 4 For an Ethernet trunk enter the flow control setting on off rxOn or txOn Mode Operating mode for the trunk 100half 100full for Fast Ethernet 10half 10full 100half 100full for platforms that support 10 Mbps Ethernet Flow control Flow control setting Ethernet only on off rxOn Gigabit Ethernet txOn Gigabit Ethernet off Trunk name Name of the trunk Use quotation marks around any ...

Page 311: ...ne operation that creates two trunks Select menu option bridge trunk define Select mac type Fast_Ethernet Gigabit_Ethernet Fast_Ethernet Select ports 14 19 all 14 18 Enter mode 100half 100full 100full Enter trunk name Trunk_1 Enter TCMP state disabled enabled enabled enabled Trunk definition complete Define another trunk y n n y Select mac type Fast_Ethernet Gigabit_Ethernet Fast_Ethernet Select u...

Page 312: ...tion remove the trunk and define a new one You cannot modify add or remove ports that are part of different trunks from the trunk that you are modifying To avoid configuration errors do not modify Fiber Distributed Data Interface FDDI station mode port pairs when any of the ports in the pair are members of a trunk If you have more than one media type on your system for example Fast Ethernet and Gi...

Page 313: ... port characteristics such as FDDI station mode For example in an FDDI trunk you cannot change a trunked DAS dual attach station port to an SAS single attach station port or an SAS port to a DAS port If you change an FDDI port pair from SAS to DAS you select the pair using just the lower of the two port numbers just as with a trunk anchor port Options Prompt Description Possible Values Default Tru...

Page 314: ...runks can contain up to 3 ports The FGA24 switch fabric module supports up to 4 trunk groups with up to 6 ports per trunk and the FGA24T switch fabric module supports up to 12 trunk groups with up to 6 ports per trunk The GA9 cannot support 12 trunk groups because there are not enough ports on this module 3500 Supports up to 4 trunk groups with up to 8 ports per trunk 3900 Supports up to 4 trunk g...

Page 315: ...urrent value Trunk name Name of the trunk Use quotation marks around any string with embedded spaces Maximum 32 alphanumeric characters for a list of selectable trunk names Current trunk name TCMP Trunk Control Message Protocol TCMP Performs the following functions Detects and corrects trunks that violate trunk configuration rules Ensures orderly activation and deactivation of trunk ports enabled ...

Page 316: ...ull duplex mode All ports in the trunk are set to the specified operating mode 4 To change the flow control setting for a Gigabit Ethernet trunk only enter a new flow control setting 5 To change the name of the trunk enter the new name or to view information on how to specify a trunk name enter The name can have up to 32 characters Use quotation marks around any character string that has embedded ...

Page 317: ...e trunks selection ports name 1 7 8 12 trunk1 2 1 2 4 19 trunk2 3 3 14 17 18 trunk3 Select trunk index 1 3 2 Fast Ethernet Select ports 1 2 5 6 15 16 19 all 1 2 19 1 2 Enter trunk name trunk2 Enter TCMP state disabled enabled enabled The configuration of the ports will be modified Are you sure you want to reboot the system n y y ...

Page 318: ...have a trunk with two Gigabit Ethernet ports which consolidates two Gigabit trunk resources into one as well as three other trunks and you then try to remove the Gigabit Ethernet trunk you will exceed the trunk resource limit The Gigabit Ethernet ports use two trunk resources The system reports that it is unable to remove the trunk because the trunk resource limit would be exceeded Removing a trun...

Page 319: ...e trunk remove CB9000 slot10 1 12 E FEN TX L3 bridge trunk remove Select trunk index s 1 2 all 2 The configuration of the ports will be modified The module must be rebooted to complete trunk configuration This may take a few minutes Are you sure you want to reboot the system n y y y ...

Page 320: ...320 CHAPTER 11 TRUNKS ...

Page 321: ...de Menu Structure The commands that you can use depend on the system that you have your level of access and the types of modules and other hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command Top Level ...

Page 322: ...gated link Valid Minimum Abbreviation b mp s Fields in the Bridge MPLA Summary Display Field Description Mode Whether MPLA is enabled on the switch Possible values are enabled and disabled The default is disabled Peer Switch Interface State The state up or down of the out of band management port on the other peer switch in the MPLA core ...

Page 323: ...l Displays the trunk state and node trunk IDs for the switch ports Valid Minimum Abbreviation b mp d Fields in the Bridge MPLA Detail Display Field Description Mode Whether MPLA is enabled on the switch Possible values are enabled and disabled The default is disabled ...

Page 324: ...ultiple trunked links may connect an edge and core switch for added bandwidth Use only Gigabit Ethernet links between MPLA core switches and edge switches All links from an edge switch to the MPLA core switches must be aggregated trunked at the edge switch While the Trunk Control Message Protocol TCMP is optional in point to point trunks you must configure it to run on all of the point to multipoi...

Page 325: ...gation on the switch use the bridge mpla mode disable command 2 Select the ports that you want to be part of the multipoint aggregated link using the bridge trunk define command as described in Chapter 11 3 Reboot the switch to implement the multipoint aggregated link selection On reboot existing trunks and VLANs are deleted and the default VLAN is restored ...

Page 326: ...ion b mp p Important Considerations You execute this command on each of the two CoreBuilder 9400 switches in the MPLA core In each core switch you use this command to specify the MAC address for the out of band management port of the attached peer switch You must use this management port to connect a crossover Ethernet cable to the out of band management port on the switch you are presently config...

Page 327: ...ave your level of access and the types of modules and other hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp an...

Page 328: ...a summary report the system displays the index number link name and whether the link is up or down Valid Minimum Abbreviation b l s Fields in the Bridge Link Summary Display Field Description Index Number that the system assigned to the resilient link pair You can select all resilient link pairs or one resilient link pair Name Name of the defined resilient link pair State Whether the resilient lin...

Page 329: ...twork traffic Enable State Whether the resilient pair is enabled or disabled Index Number that the system assigned to the resilient link pair You can select all resilient link pairs or one resilient link pair Main Link Link state up or down of the main link Main Port Main resilient link port Name Name of the defined link Standby Link Link state up or down of the standby link Standby Port Standby r...

Page 330: ...of a VLAN create the resilient links before you create the VLAN When you create a resilient link that includes ports that are part of a VLAN those ports are removed from the VLAN You must modify the VLAN and add the new bridge port to the appropriate VLAN This situation does not apply to the default VLAN all ports are part of the default VLAN If you have already defined other resilient links or tr...

Page 331: ...tem prompt to define another link enter y yes or to end the link define sequence enter n no You must reboot for the links to take effect Prompt Description Possible Values Default Resilient link name Name of the link Use quotation marks around any character string that contains spaces Maximum 32 alphanumeric characters Main Port Main port that you want to be part of the link Any of the available p...

Page 332: ...is enabled the resilient link transmits or receives frames When the bridge link linkState option is disabled the resilient link no longer transmits or receives frames Options Prompt Description Possible Values Default Resilient link index Index number of the resilient link that you want to modify Depends on configured links for a list of selectable link indexes A valid link number all linkState va...

Page 333: ...the active port The active port carries the network traffic Valid Minimum Abbreviation b l a Options Prompt Description Possible Values Default Resilient link index Index number of the link whose active port you want to set Depends on configured links for a list of selectable link indexes A valid link number all Active port state Port that you want to carry network traffic main standby ...

Page 334: ...ks before you create the VLAN When you create a resilient link that includes ports that are part of a VLAN those ports are removed from the VLAN You must modify the VLAN and add the new bridge port to the appropriate VLAN This situation does not apply to the default VLAN all ports are part of the default VLAN If you have already defined other links or trunks on your system you cannot select ports ...

Page 335: ...haracters Main port New port to be the main port of the defined resilient link Any of the available ports on the system Standby port New port to be the standby port of the defined resilient link Any of the available ports on the system Define another link Whether you want to define another link y yes n no n Reboot the system Resilient links that you define do not take effect until you reboot the s...

Page 336: ...requires that you reboot the system Options Bridge Link Remove Example Select menu option bridge link remove Select link index s 1 2 all 2 The configuration of the ports will be modified The system must be rebooted to complete resilient link configuration This may take a few minutes Are you sure you want to reboot the system n y y y Prompt Description Possible Values Default Resilient link index I...

Page 337: ... commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command The bridge vlan stpMode command is available only when you enable allClosed mode on the CoreBuilder 3500 system or the CoreBuilder 9000 Layer 3 switching modules The command does not appear when you are using the default VLAN mode allOpen or when you...

Page 338: ...0 CoreBuilder 9400 SuperStack II Switch 3900 and SuperStack II Switch 9300 the VLAN mode affects all configured VLANs on the system For the entire system the default VLAN mode is allOpen For the CoreBuilder 9000 the VLAN mode affects all VLANs that are associated with a particular module the switch fabric module or all VLANs on a switching module For each module the default VLAN mode is allOpen As...

Page 339: ...ed and the GVRP state for each bridge port is disabled The system prompts you for a VLAN interface index number before it displays the summary information Options Fields in the Bridge VLAN Summary Display Prompt Description Possible Values Default VLAN interface index Index numbers of the VLAN interfaces for which you want summary information One or more selectable VLAN interface index numbers all...

Page 340: ...le the list of ports includes ports 1 12 and port 13 which is the module s backplane port Type VLAN mode Either allOpen or allClosed VLANs in allOpen mode share a single address table for all configured VLANs in allClosed mode each VLAN has its own unique address table Standard bridging rules apply based on the table addresses that are assigned to the specific VLAN A router port IP interface requi...

Page 341: ...the following conditions If the VLANs are defined for the same protocol type or for the type called unspecified and do not share any ports Example IP VLAN1 has ports 1 through 6 and IP VLAN2 has ports 7 through 12 If the VLANs are explicitly defined for different protocol types In this case the VLANs may share ports Example An IP VLAN and an IPX VLAN both use ports 2 through 4 As of Release 3 0 0 ...

Page 342: ... information when you configure a VLAN for IP or you create the IP VLAN and then define multiple IP interfaces per VLAN See Chapter 16 Options Fields in the Bridge VLAN Detail Display Prompt Description Possible Values Default VLAN interface index Index numbers of the VLAN interfaces for which you want detailed information One or more selectable VLAN interface index numbers all for a list of selec...

Page 343: ...ng to each VLAN In the second part of the detail display the Port column lists the ports for the VLAN individually and indicates ports that are trunked or have tagging On the CoreBuilder 9000 the list of ports includes the front panel ports and the appropriate backplane ports Example On a 12 port Layer 3 module the list of ports includes ports 1 12 and port 13 which is the module s backplane port ...

Page 344: ...o the specific VLAN Router port IP interfaces require allClosed mode VID Unique user defined integer VLAN ID that identifies this VLAN It is used by management operations You can assign or modify a VID that is associated with a static VLAN you cannot modify the VID selected automatically after you define a router port IP interface nor can you change the VID of the default VLAN The default VLAN req...

Page 345: ...your IP VLANs without Layer 3 address information To define multiple IP interfaces per IP VLAN use the ip interface define command See Chapter 16 The VLAN that you create with this command is a static VLAN To establish routing between static IP VLANs define your IP VLANs and then use the ip interface define command to define an IP routing interface As of Release 3 0 you can also specify the interf...

Page 346: ...ce If a port is shared by another VLAN verify that if tagging is the only distinguishing characteristic between the VLANs the specified tag type is not in conflict with the port s tag type in another VLAN that is there is only one port that is tagged none Do not use this command if you want GVRP to dynamically create IEEE 802 1Q port based VLANs Instead explicitly enable the GVRP state for the par...

Page 347: ...een VLANs on other switching modules you can configure the backplane port of the Layer 3 switching module as part of the VLANs and then define a routing interface for each VLAN One VLAN equals one network or subnetwork For configurations that include FDDI ports if you plan for your VLAN to include FDDI DAS ports you must specify the lowest numbered port in the DAS pair when defining the ports in t...

Page 348: ...fy a port that is owned by a router port IP interface One or more of the ports that are available to be assigned to the VLAN all for a list of selectable ports Protocol suite for VLANs other than the default One or more protocol suites that you want to specify for the VLAN The default VLAN always uses the protocol type unspecified IP IPX Apple for AppleTalk XNS DECnet SNA Vines X 25 NETBEUI unspec...

Page 349: ...fine commands y yes n no y Layer 3 address and mask IP VLAN only Fields IP network address and subnet mask you can use to set up flood domains for overlapping IP VLAN subnetworks This is the last release to support Layer 3 address information in IP VLANs Any valid IP network address and subnet mask Per port tagging Whether you want to configure IEEE 802 1Q VLAN tagging You are prompted to answer f...

Page 350: ...is example shows the steps necessary to define a protocol based VLAN for IPX 802 3 on a Layer 3 switching module In this example only the backplane port port 13 of the module has IEEE 802 1Q tagging the front panel ports in this VLAN are not tagged Because you have tagged the module s backplane port you must also tag the corresponding switch fabric module port of the switch fabric module for that ...

Page 351: ...ction 3 6 Selectable bridge ports selection ports label 1 1 2 2 3 3 5 CampusLk1 4 4 6 6 8 CampusLk2 9 9 10 10 11 11 12 12 13 13 Select bridge ports 1 4 6 9 13 all 3 6 3 6 9 Enter protocol suite IP IPX Apple XNS DECnet SNA Vines X25 NetBEUI unspecified IPX II IPX 802 2 IPX 802 3 IPX 802 2 SNAP IP Enter protocol suite q to quit IPX Apple XNS DECnet SNA Vines X25 NetBEUI IPX II IPX 802 2 IPX 802 3 IP...

Page 352: ...ID is used as the IEEE 802 1Q tag for a port if tagging is enabled On the CoreBuilder 9000 the list of ports includes the front panel ports and both backplane ports even though only the lower numbered backplane port is enabled by default On the SuperStack II Switch 3900 the list of ports includes the 24 or 36 10 100 ports and any Gigabit Ethernet ports in use For the CoreBuilder 9000 keep the foll...

Page 353: ...at belong to the VLAN If you include trunked ports specify the anchor port of the trunk See Important Considerations for information about the list of ports One or more of the ports that are available to be assigned to the VLAN all for a list of selectable ports Per port tagging Whether you want to configure 802 1Q VLAN tagging You are prompted to answer for each port that you selected y yes n no ...

Page 354: ...witch fabric module port based on the slot that contains the switching module CB9000 slot 10 1 20 E FEN TX L2 bridge vlan define Enter VID 2 4094 3 3 Select bridge ports 1 22 all 1 5 21 Configure per port tagging n y y y Enter port 1 tag type none 802 1Q 802 1Q Enter port 2 tag type none 802 1Q 802 1Q Enter port 3 tag type none 802 1Q 802 1Q Enter port 4 tag type none 802 1Q 802 1Q Enter port 5 ta...

Page 355: ...ed port in each trunk If there are no trunk ports enter one or more port numbers or enter all to assign all ports to the VLAN For the CoreBuilder 3500 if you want to modify your VLAN to include FDDI DAS ports you must specify the lowest numbered port in the DAS pair If you modify the default VLAN you can only change the member ports or the tag status You cannot change the name or the VID or the pr...

Page 356: ...ble Values Default VLAN interface index System assigned index number that identifies a VLAN SelectableVLAN index all for a list of selectable indexes 1 if you have only the default VLAN VID for VLANs other than the default Unique user defined integer used by global management operations 2 4094 Current VID Bridge ports Index numbers of the bridge ports that belong to the VLAN To add trunked ports s...

Page 357: ... n no y Layer 3 address and mask IP VLAN Optional fields IP network and mask used to set up flood domains for overlapping IP VLAN subnetworks Any valid IP network address and mask Current address and mask Per port tagging Whether you want to modify the per port 802 1Q VLAN tagging You are prompted to answer for each port that you specified y yes n no y Tag type Either no tagging or IEEE 802 1Q tag...

Page 358: ...or an IP VLAN a Enter y for Layer 3 addressing b Enter the Layer 3 network address c Enter the Layer 3 subnet mask To accept the default or current value in brackets press Return or Enter 6 Specify whether you want to modify per port tagging 7 If you want to modify per port tagging enter the new tag type for the port none or 802 1Q 8 If you have specified that you want to modify more than one port...

Page 359: ...one 802 1Q Enter port 13 tag type none 802 1Q 802 1Q 802 1Q Enter VLAN Name IPX IPX1 Bridge VLAN Modify Example 3500 This example shows the steps to modify the member ports and per port tagging for an IP VLAN Select menu option bridge vlan modify Select VLAN interface index 1 2 2 Enter VID 2 4094 2 2 Select bridge ports 1 4 6 9 13 all 3 6 9 9 11 Enter protocol suite IP IPX Apple XNS DECnet SNA Vin...

Page 360: ...gging type of a backplane port on a switching module make sure that you modify the tagging type of the corresponding port on the switch fabric module If tagging is enabled for a port the software uses the VID as the 802 1Q tag If you modify the default VLAN you can only change the member ports or the tag status You cannot change the name or the VID If you modify the tagging for a port shared by an...

Page 361: ...me VID for VLANs other than the default Unique user defined integer used by management operations 2 4094 Current VID Bridge ports Index numbers of the bridge ports that belong to the VLAN To add trunked ports specify the anchor port of the trunk One or more index numbers of the ports that are available to be assigned to the VLAN all for a list of selectable ports Current ports in VLAN Per port tag...

Page 362: ...er port 2 tag type none 802 1Q 802 1Q 802 1Q Enter port 3 tag type none 802 1Q 802 1Q 802 1Q Enter port 21 tag type none 802 1Q 802 1Q 802 1Q Enter VLAN Name vlan3 vlantag3 Bridge VLAN Modify Example 3900 This example shows default VLAN changes in the ports and per port tagging type Select menu option bridge vlan modify Select VLAN interface index 1 2 1 Select bridge ports 1 27 all 1 27 2 6 Modify...

Page 363: ...port IP interface or a protocol based VLAN associated with a particular router interface Options Bridge VLAN Remove Example 3500 Prompt Description Possible Values Default VLAN interface index System assigned index number that is associated with the VLAN A selectable VLAN index all for a list of selectable indexes Continue verification 9000 Layer 2 and Layer 3 Whether you want to continue with the...

Page 364: ...Ns but can still be routed between VLANs This mode implies that each VLAN that you create has its own address table For the CoreBuilder 3500 system and CoreBuilder 9000 Layer 3 modules if you are using allClosed mode and STP with multiple routes to a destination you can also use the command bridge vlan stpMode to disable STP blocking for a specified VLAN For the CoreBuilder 9000 set a VLAN mode fo...

Page 365: ...t stpState command See Chapter 10 If you have configured router port IP interface and therefore have a router port VLAN the ignore STP mode is enabled and cannot be changed You cannot select a router port VLAN with this command Options Bridge VLAN STP Mode Example 3500 Prompt Description Possible Values Default VLAN interface index System assigned index number that is associated with the VLAN Any ...

Page 366: ...the index of the VLAN that it was unable to create The system removes all bridge ports from the VLAN that it could not restore from NV data but does maintain the previously stored NV data The difference in VLAN resource usage is based on the following In CoreBuilder 3500 Release 1 2 0 and CoreBuilder 9000 Release 2 0 0 all bridge ports were not VLAN aware tagging aware unless they were assigned to...

Page 367: ...0 tagged frame ingress rules vary for 2 0 0 to 3 0 0 For more information see the CoreBuilder 9000 Implementation Guide Options Bridge VLAN Aware Mode Example 3500 Select menu option bridge vlan vlanAwareMode VLAN aware mode taggedVlanPorts allPorts allPorts taggedVLANPorts Changing the VLAN aware mode will reboot the system continue n y y y Prompt Description Possible Values Default VLAN aware mo...

Page 368: ...368 CHAPTER 14 VIRTUAL LANS VLANS ...

Page 369: ...ocessing paths on each bridge port of the system After you create a packet filter you can assign the filter to the transmit or the receive paths of any bridge port or group of bridge ports The filter executes a series of test operations on the packet s contents and if the result is zero it stops filters the packet If the end result is non zero the filter lets the packet pass For more information a...

Page 370: ...h command description in this chapter for whether your system supports the command bridge menu display ipFragmentation ipxSnapTranslation addressThreshold agingTime spanningTree gvrpState cos port multicast packetFilter vlan trunk mpla link Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect packetFilter menu list display cre...

Page 371: ...id Minimum Abbreviation b pa li Bridge Packet Filter List Example 3500 Select menu option bridge packetFilter list Packet Filter 1 rejdiffportgrp Port 11 txA rxA In the example the system has one packet filter with a filter id of 1 and a defined name of rejdiffportgrp This filter is loaded onto port 11 The filter is assigned to both the transmit all txA path and the receive all rxA path ...

Page 372: ...reated or loaded filters on the system The packet filter id and name are displayed followed by a list of the packet filter instructions Options Sample Bridge Packet Filter Display 3500 Select menu option bridge packetFilter display Select filter 1 1 Packet Filter 1 rejdiffportgrp name rejdiffportgrp pushDPGM pushSPGM and pushLiteral l 0x00000000 ne Prompt Description Possible Values Default Select...

Page 373: ... To verify that the filter has been created use the bridge packetFilter list command To see the contents of the portGroup filter use the bridge PacketFilter display command The system only creates the packet filter definition You must still assign ports and masks to port groups as described for bridge packetFilter portGroup create later in this chapter and assign the standard filter to ports and f...

Page 374: ...ot saved across editor sessions After you create the filter edit it using bridge packetFilter edit as described later in this chapter The alternative to creating a custom packet filter using the built in editor is to create the packet filter on an external system and transfer it across the network into the switch See bridge packetFilter load later in this chapter You can also use the Filter Builde...

Page 375: ...ine the packet filter algorithm See the Implementation Guide for your system for information about developing the packet filters Select menu option bridge packetFilter create custom Editor Commands Buffer list Ctrl l Line next Ctrl n previous Ctrl p Cursor start Ctrl a end Ctrl e left Ctrl b right Ctrl f Insert line Enter Delete previous Ctrl h BSP current Ctrl d DEL line Ctrl k Mode insert overst...

Page 376: ...e bridge packetFilter list command Options Bridge Packet Filter Delete Examples 3500 Select menu option bridge packetFilter delete Select filter 1 1 1 Delete packet filter n y y y Packet filter 1 has been deleted If the filter is assigned it cannot be deleted The system responds as follows to the delete command Select menu option bridge packetFilter delete Select filter 1 1 1 The selected filter i...

Page 377: ...tem for information about developing the packet filters Save your work periodically with Ctrl w To complete the editing process press Esc The system replaces the filter or creates a new filter depending on your response to the prompts When you exit the system examines the filter s syntax If the syntax is correct the filter is loaded into the switch s non volatile memory Possible values for filters...

Page 378: ...e Ctrl o Save Ctrl w Exit Esc Edit buffer has been saved name rejdiffportgrp Replace existing filter n y y y Packet filter 1 has been replaced Select menu option bridge packetFilter edit Select filter 1 2 1 1 Editing packet filter 1 Editor Commands Buffer list Ctrl l Line next Ctrl n previous Ctrl p Cursor start Ctrl a end Ctrl e left Ctrl b right Ctrl f Insert line Enter Delete previous Ctrl h BS...

Page 379: ...se Management Engine EME using TFTP then connect to the Layer 3 module then enter this bridge packetFilter load command The syntax of the EME download command is download module slot subslot filter IP address filename You must use TFTP to download on the CoreBuilder 9000 FTP does not work When you enter bridge packetFilter load the CoreBuilder 9000 does not prompt you for any options Instead the m...

Page 380: ...ogs on to the CoreBuilder 9000 EME and issues the download command to transfer the filter file to the EME Note that the user specifies the type of download filter and for which module 6 01 the filter is destined Prompt Description Possible Values Default Host IP address IP address of the machine from which you want to transfer the filter Any valid IP address current IP address File pathname Path a...

Page 381: ...port groups Type q to return to the previous menu or for help CB9000 slot6 1 12 E FEN TX L3 bridge packetFilter load Packet filter 1 stored CB9000 slot6 1 12 E FEN TX L3 bridge packetFilter list Packet Filter 1 rejMulticast No port assignments Menu options Corebuilder 9000 94DC8 list List all packet filters display Display a packet filter create Create a packet filter delete Delete a packet filter...

Page 382: ...assign a filter to a port that already has a filter assigned the system displays a warning message and the assignment fails After you assign the filter ports and paths are removed from the list of possible values which are listed in the Options table Possible values for filters n depend on the number of created or loaded filters on the system Possible values for bridge ports n depend on the number...

Page 383: ...anges and commas to indicate individual non contiguous ports To specify multiple paths separate the paths with commas Select menu option bridge packetFilter assign Select filter 1 1 Select bridge port s 1 6 all 1 3 6 Select path s txA txM rxA rxM rxI all txA rxA rxI Select path s Identifier of the path to which you want to assign the selected filter txA txM rxA rxM rxI all for a list of valid path...

Page 384: ...ting bridge ports on the system After you unassign the filter ports and paths are added to the list of possible values which are listed in the Options table Options Prompt Description Possible Values Default Select filter Identifier id number of the filter that you want to unassign 1 n for a list of valid filter identifiers Current valid selected filter Select bridge ports Numbers of one or more b...

Page 385: ...Bridge Packet Filter Unassign Examples 3500 The unassignment is from the transmit all txA paths on port 1 Select menu option bridge packetFilter unassign Select filter 1 1 1 Select bridge port 1 1 Select path s txA rxA all txA rxA txA ...

Page 386: ...y defined port groups Valid Minimum Abbreviation b pa p l Bridge Packet Filter Port Group List Example In the example the system has two port groups defined Marketing and Sales The display shows the group id group name if any and group mask Select menu option bridge packetFilter portGroup list Port Group 1 Marketing Port group mask bit 15 Port Group 2 Sales Port group mask bit 32 ...

Page 387: ...Consideration Possible values for port groups n depend on the number of user defined port groups on the system Options Sample Bridge Packet Filter Port Group Display 3500 Prompt Description Possible Values Default Select port group Number of the port group to display 1 n for a list of valid port groups Current port group Select menu option bridge packetFilter portGroup display Select port group 1 ...

Page 388: ...ng See bridge packetFilter create portGroup and bridge packetFilter assign earlier in this chapter Possible values for bridge ports n depend on the number of bridge ports on the system Options Prompt Description Possible Values Default Select port group mask Mask that you want to assign to the port group 1 32 for a list of masks Select port group name Name of the port group that you want to create...

Page 389: ...ketFilter portGroup create Select port group mask 1 32 15 Select port group name Marketing Port Group 1 Marketing has been created Select bridge port s 1 6 all 1 3 4 Select menu option bridge packetFilter portGroup create Select port group mask 1 14 16 32 32 Select port group name Sales Port Group 2 Sales has been created ...

Page 390: ...ing port group IDs are automatically renumbered to maintain consecutive numbering Possible values for port groups n depend on the number of user defined port groups on the system Options Bridge Packet Filter Port Group Delete Example Select menu option bridge packetFilter portGroup delete Select port group 1 2 2 1 Delete port group n y y y Port Group 1 Marketing has been deleted Prompt Description...

Page 391: ... user defined port groups on the system Possible values for bridge ports n depend on the number of existing bridge ports on the system Options Bridge Packet Filter Port Group Add Port Examples When you display port group 2 the display shows that port 2 is added Prompt Description Possible Values Default Select port group Number of the port group to which you want to add a bridge port 1 m for a lis...

Page 392: ... of existing bridge ports on the system Options Bridge Packet Filter Port Group Remove Port Examples Select menu option bridge packetFilter portGroup remove Select port group 1 2 2 2 Select bridge port s 1 6 all 6 Displaying port group 2 shows that port 6 is removed Prompt Description Possible Values Default Select port group Number of the port group from which you want to remove a bridge port 1 m...

Page 393: ...I ROUTING PROTOCOLS Chapter 16 Internet Protocol IP Chapter 17 Virtual Router Redundancy Protocol VRRP Chapter 18 IP Multicast Chapter 19 Open Shortest Path First OSPF Chapter 20 IPX Chapter 21 AppleTalk ...

Page 394: ......

Page 395: ...normal circumstances the system first tries to determine if it can bridge the frame before routing it Router port based routing The system first tries to route packets that belong to recognized protocols and then bridges all other packets If the network or a portion of the network is devoted to routing IP frames this model makes network traffic more efficient This chapter provides guidelines and o...

Page 396: ... have your level of access and the types of modules and other hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command ...

Page 397: ... Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect dns menu display domainName define modify remove nslookup udpHelper menu display define remove hopCountLimit threshold interface rip menu display mode compatibilityMode cost poisonReverse routeAggregationMode password addAdvertisement removeAdvertisement policy statistics polic...

Page 398: ...CMP router discovery appear under ip interface detail and are set on a per interface basis The Type field differs according to platform In the CoreBuilder 3500 which provides port based routing and VLAN based routing the Type field displays whether the IP interface is VLAN based or router port based In all other platforms which provide VLAN based routing the Type field displays whether the IP inte...

Page 399: ...same format and representation as an IP address The subnet mask determines which bits in the IP address are interpreted as the network number the subnetwork number and the host number Each IP address bit that corresponds to a 1 in the subnet mask is in the network subnetwork part of the address Each IP address bit that corresponds to a 0 is in the host part of the IP address State State of the IP ...

Page 400: ...proxy Whether ARP proxy is enabled or disabled for the specified interface Broadcast address Broadcast address for the specified interface Directed broadcast Whether the forwarding of a directed broadcast all 1s in the host portion of the address is enabled or disabled for the specified interface A directed broadcast is a packet that is sent to a specific network or series of networks ICMP redirec...

Page 401: ...ubnetwork part of the address Each IP address bit that corresponds to a 0 is in the host part of the IP address Type Type of interface VLAN based VLAN or router port based port Index Index number of the IP VLAN that is associated with the IP interface MaxAdvInterval Maximum advertisement interval between ICMP router discovery advertisements in seconds MinAdvInterval Minimum advertisement interval ...

Page 402: ...1 all 1 1 IP routing is disabled Index IP address Subnet mask State Type ID 1 158 101 31 21 255 255 255 0 Down Port 1 Index ARP proxy Broadcast address Directed broadcast ICMP redirect 1 enabled 255 255 255 255 enabled enabled Index ICMP router discovery Preference MaxAdvInterval MinAdvInterval Holdtime 1 disabled n a n a n a n a ...

Page 403: ...do not have to define the VLAN first the corresponding single port VLAN is automatically defined Port based routing uses allClosed mode VLAN based routing uses either allClosed or allOpen mode If you attempt to set up a router port based IP interface in allOpen mode the system notifies you with a message that it will change the VLAN mode to allClosed and recreate the default VLAN clearing your exi...

Page 404: ...ress bit that corresponds to a 0 is in the host part of the IP address A valid subnet mask in accordance with the bits that are used for network number subnetwork and host number Depends on specified IP address Interface type Whether to use router port based routing or VLAN based routing port vlan vlan VLAN mode for router port based routing Whether the system removes all VLANs and recreates the d...

Page 405: ...ype vlan port vlan port VLAN mode must be changed to allClosed to support this interface This removes all VLANs then re creates the Default VLAN continue n y y y Select bridge port 1 6 1 IP Interface Define Example VLAN based Routing Enter IP address 158 101 1 1 Enter subnet mask 255 255 0 0 255 255 255 0 Enter interface type vlan port vlan vlan Enter VLAN interface index 3 3 3 ...

Page 406: ...ic to your network and system A valid IP address in the range of addresses that are assigned to your organization Subnet mask 32 bit number that uses the same format and representation as an IP address The subnet mask determines which bits in the IP address are interpreted as the network number the subnetwork number and the host number Each IP address bit that corresponds to a 1 in the subnet mask...

Page 407: ...t to modify Not applicable if you have more than one interface A selectable IP interface index for a list of selectable indexes Current value IP address IP address of the interface that you want to modify A valid IP address in the range of addresses that are assigned to your organization Current IP address Subnet mask Subnet mask for the interface that you want to modify A valid subnet mask in acc...

Page 408: ...ntries in the routing table or the Address Resolution Protocol ARP cache On the CoreBuilder 3500 if you remove a router port based IP interface the system removes the virtual LAN VLAN that is associated with it as well Options Prompt Description Possible Values Default IP interfaces Index number that is associated with the interfaces that you want to remove Not applicable if you have more than one...

Page 409: ...system which uses its own routing table to reach the destination on the other network When an interface is defined the default ARP proxy state is enabled The end stations must view the entire network configuration as one network that is by using a smaller subnet mask Evaluate prolonged use of ARP proxy because it has some drawbacks including increased ARP traffic and a need for larger ARP tables t...

Page 410: ...0 CHAPTER 16 INTERNET PROTOCOL IP IP Interface ARP Proxy Example 3500 Select menu option ip interface arpproxy Select IP interfaces 1 2 all 2 Interface 2 Enter proxy state disabled enabled enabled enabled ...

Page 411: ...is used for the RIP interface You see the specified broadcast address as the advertisement address under the RIP menus See ip rip display later in this chapter for information about the RIP interface display You cannot change the broadcast address for an interface if you have added any RIP advertisement addresses to that interface See ip rip addAdvertisement later in this chapter for more informat...

Page 412: ...ress that is defined for this interface to forward the directed broadcast You can disable the forwarding of a directed broadcast if security is an issue By default the directed broadcast state is enabled Options IP Interface Directed Broadcast Example 3500 Select menu option ip interface directedBroadcast Select IP interfaces 1 2 all 2 Interface 2 Enter directed broadcast state disabled enabled en...

Page 413: ...on a directly connected network If the software determines that a received frame has a better path available through another gateway It sends an ICMP redirect message back to the originator of the frame indicating the better gateway to use in the future It routes the frame to the gateway ICMP redirect can be set on a per interface basis For better performance or if you have applications that ignor...

Page 414: ...sion of an ICMP redirect to the sender of a frame Not applicable if you have more than one interface One or more selectable interface indexes all for a list of selectable interface indexes Current value ICMP redirect state Whether you want to implement ICMP redirect state on an interface The system prompts you for a state for each interface enabled disabled disabled or current value ...

Page 415: ...e router with the highest preference level An appropriately configured end station can locate one or more routers on the LAN to which it is attached The end station then automatically installs a default route to each of the routers that are running Internet Control Message Protocol ICMP router discovery You do not need to manually configure a default route ICMP redirect messages subsequently chann...

Page 416: ...ement ICMP router discovery on an interface The system prompts you for a state for each interface enabled disabled disabled or current value Preference If you select enabled the host interprets an unsigned integer as a 32 bit signed twos complement integer that represents the preference level to associate with the interface Higher values produce higher preference levels The minimum value is reserv...

Page 417: ...overy Select IP interfaces 1 all 1 1 Interface 1 Enter router discovery state disabled enabled disabled enabled Interface 1 Enter router discovery preference 0 Interface 1 Enter maximum advertisement interval 4 1800 600 Interface 1 Enter minimum advertisement interval 3 600 450 Interface 1 Enter advertisement holdtime 600 9000 1800 ...

Page 418: ... selectable interface indexes Field Description inAddrErrors Number of datagrams that the IP station discarded because of an error in the source or destination IP address inCsumErrors Number of datagrams that were dropped because of a checksum error inDelivers Number of datagrams that the IP station delivered to local IP client protocols inDiscards Number of packet receive discards inForwards Tota...

Page 419: ...ace and that need to be forwarded but that have an IP header TTL value of less than 2 outDiscards Number of packet transmit discards outForwards Total number of packets that a router has forwarded to an outbound interface that is routed through hardware or software or both Field Description ...

Page 420: ...ut the status line indicates whether IP routing is enabled For the CoreBuilder 9000 Layer 3 module it also indicates whether Internet Control Message Protocol ICMP router discovery is enabled on the system For the CoreBuilder 3500 IP interface options such as ICMP router discovery appear under ip interface detail earlier in this chapter and are set on a per interface basis Options 3500 only Prompt...

Page 421: ...er routers to compare routing information received from different sources Gateway Address that directs the router how to forward packets whose destination addresses match the route s IP address and subnet mask The system forwards such packets to the indicated gateway Status Status of the route See the following status table TTL Time To Live Time remaining before the route expires or is reset Field...

Page 422: ... can define up to 64 static routes Static routes remain in the table you must remove them before you can remove the corresponding interface Static routes take precedence over dynamically learned routes to the same destination Static routes are included in periodic Routing Information Protocol RIP updates that the system sends Options Prompt Description Possible Values Default Destination IP addres...

Page 423: ...nt Consideration When you enter the command the system deletes the route immediately from the routing table You are not prompted to confirm the deletion Options Prompt Description Possible Values Default Destination IP address IP address of the route that you want to delete A valid IP address Subnet mask Subnet mask for the specified IP address A valid subnet mask Based on specified IP address ...

Page 424: ... from the routing table Valid Minimum Abbreviation ip route fl Important Considerations The system flushes all learned routes from the routing table immediately You are not prompted to confirm the deletion Flushing the routing table does not cause the Routing Information Protocol RIP to update the routing table You must change the metric to update the routing table ...

Page 425: ... to the host that sent the packet On the CoreBuilder 3500 or the CoreBuilder 9000 Layer 3 module you establish a static sink default route so that the system can advertise itself as a default router The static sink default route is not used in any of the system s forwarding decisions because it does not have a valid next hop gateway but it can be advertised to all of the system s neighbors unless ...

Page 426: ...eBuilder 9000 Applies to Layer 3 switching modules only Deletes the default route Valid Minimum Abbreviation ip route n Important Consideration The system deletes the default route from the routing table immediately after you enter the command You are not prompted to confirm the deletion ...

Page 427: ...and enables you to find a route using an IP address or a host name as long as the Domain Name System DNS is configured When you enter this command with a valid IP address or host name the system displays the routing table entry Options Prompt Description Possible Values Default IP address or host name IP address of the route that you want to find or a host name if DNS is configured A valid IP addr...

Page 428: ...orresponding MAC addresses The first line in the output the status line indicates whether IP routing is enabled For the CoreBuilder 9000 Layer 3 module it also indicates whether Internet Control Message Protocol ICMP router discovery is enabled on the system For the CoreBuilder 3500 IP interface options such as ICMP router discovery appear under ip interface detail earlier in this chapter and are ...

Page 429: ... platforms you can define up to 64 entries Options IP ARP Static Example Select interface index 1 2 2 Enter IP address 158 101 12 12 Enter MAC address 00 00 00 00 00 01 Prompt Description Possible Values Default Interface index Index number of the interface for which you want to define a static ARP entry A selectable interface index for a list of selectable interface indexes IP address IP address ...

Page 430: ... changed Valid Minimum Abbreviation ip ar rem Important Considerations When you enter the command the system deletes the entry from the cache immediately You are not prompted to confirm the deletion If necessary the system subsequently uses ARP to find the new MAC address that corresponds to that IP address Options Prompt Description Possible Values Default IP address IP address for the entry that...

Page 431: ...es all entries from the Address Resolution Protocol ARP cache Valid Minimum Abbreviation ip ar flushA Important Considerations To flush dynamic entries only see ip arp flushDynamic next in this chapter When you enter the command the system deletes all entries from the cache immediately You are not prompted to confirm the deletion ...

Page 432: ...l dynamic learned entries from the Address Resolution Protocol ARP cache Valid Minimum Abbreviation ip ar flushD Important Considerations To flush all entries static and dynamic see the previous ip arp flushAll option When you enter the command the system deletes all dynamic entries from the cache immediately You are not prompted to confirm the deletion ...

Page 433: ...dynamic entries remain in the ARP cache before they are removed By default the system flushes the entry from the cache when it reaches the age time A value of 0 indicates no age time and the entry remains in the table until you remove it with the ip arp remove option or flush the ARP cache with the appropriate flush option Options Prompt Description Possible Values Default Age time Time that dynam...

Page 434: ...erface of all the interfaces that are associated with the port The system supports baselining for ARP statistics Options Fields in the IP ARP Statistics Display Prompt Description Possible Values Default IP interface Index number of the IP interface from which to select ARP statistics One or more selectable interface indexes all for a list of selectable interface indexes 1 Field Description inDisc...

Page 435: ...f the following three frames because the state of the IP interface was down ARP request ARP reply IP frame to be forwarded pending ARP resolution outMemErrors Failure of the system to allocate memory to transmit either an ARP request or an ARP reply outReplies ARP replies that were transmitted from an IP interface outRequests ARP requests that were transmitted from an IP interface Field Descriptio...

Page 436: ...ontact an IP station With the DNS commands you specify one or more name servers that are associated with a domain name Each name server maintains a list of IP addresses and their associated host names When you use ping or traceRoute with a host name the DNS client attempts to locate the name on the name servers that you specify When the DNS client locates the name it resolves it to the associated ...

Page 437: ...ant Considerations You can specify a domain name with up to 79 alphanumeric characters Use single quotation marks around any string that has embedded spaces Use double quotation marks to enter an empty string Options Prompt Description Possible Values Default Domain name Name of the domain The name can be up to 79 characters long A valid domain name to get information about specifying a domain nam...

Page 438: ...ation ip d de Important Considerations When the system accepts the new IP address it displays a message like the following Server s IP address xxxxx is added to the DNS database The system assigns an index number to the new IP address Use this index number to modify or remove this IP address Options Prompt Description Possible Values Default Name server IP address IP address of the name server tha...

Page 439: ...he list of name server addresses and the index number that is associated with each The system assigns an index number to the new IP address Use this index number to modify this IP address Options Prompt Description Possible Values Default Index Index number of the name server IP address that you want to modify A selectable server index number for a list of selectable server indexes Name server IP ...

Page 440: ...ss Valid Minimum Abbreviation ip d r Important Consideration When you enter the command the system displays the list of name server addresses and the index number that is associated with each Options Prompt Description Possible Values Default Index Index number of the name server IP address that you want to remove A selectable server index number for a list of selectable server indexes ...

Page 441: ...bbreviation ip d n Important Considerations Specify a host name or IP address at the prompt Enter a string of up to 255 characters Use single quotation marks around any string with embedded spaces Use double quotation marks to enter an empty string Options Prompt Description Possible Values Default IP address or host name IP address or host name that you want to map A host name of up to 255 charac...

Page 442: ...d DHCP Dynamic Host Configuration Protocol which rely on the BOOTP relay agent When you configure the logical BOOTP port you can boot hosts through the router UDP Helper also provides a relay agent for DHCP broadcasts UDP packets that rely on the BOOTP relay agent are modified and then forwarded through the router BOOTP including DHCP uses UDP port 67 With UDP Helper you can configure the amount o...

Page 443: ...breviation ip u de Important Considerations You can have up to 63 combinations of port numbers and IP forwarding addresses per router You can have multiple IP address entries for the same ports Options Prompt Description Possible Values Default UDP port number Port number for UDP 1 65535 67 factory default or current value IP forwarding address Forwarding addresses that are used for UDP packets A ...

Page 444: ...lid Minimum Abbreviation ip u r Important Consideration The system immediately removes the port numbers and IP forwarding addresses that you specified You are not prompted to confirm the deletion Options Prompt Description Possible Values Default UDP port number UDP port number that you want to remove 1 65535 67 factory default or current value IP forwarding address Forwarding addresses that you w...

Page 445: ...hing modules only Sets the maximum hop count to specify how many steps the system uses to forward a packet through the router Valid Minimum Abbreviation ip u h Options Prompt Description Possible Values Default BOOTP hop count limit Maximum number of hops to allow for UDP packet forwarding 0 16 4 factory default or current value ...

Page 446: ...e maximum number of times that the system forwards a packet to the network Valid Minimum Abbreviation ip u t Important Consideration By default there is no threshold 0 Options Prompt Description Possible Values Default BOOTP relay threshold Maximum number of times that the system forwards a packet to the network 0 65535 0 factory default or current value ...

Page 447: ...ons Overlapped IP interfaces are multiple logical interfaces that are defined for a single physical port You can specify how UDP Helper forwards packets from overlapped IP interfaces with one of three interface options first even or sequential The value first directs the system to use the first overlapped IP interface as the source network for forwarded packets The system implements your selection...

Page 448: ...ly distributing interfaces Valid Minimum Abbreviation ip u i e Important Considerations The value even directs the system to hash the client s MAC address to determine the source network for forwarded packets This arrangement evenly distributes the interface among those on the network The system implements your selection immediately You can view the UDP Helper configuration when you configure the ...

Page 449: ... overlapped IP interfaces by distributing the interfaces sequentially Valid Minimum Abbreviation ip u i s Important Considerations The value sequential directs the system to assign each overlapped IP interface in turn as the source network for forwarded packets The system implements your selection immediately You can view the UDP Helper configuration when you configure the forwarding address ...

Page 450: ...nt Considerations When you enable IP routing the system acts as a standard IP router it forwards IP packets from one subnetwork to another when required When you disable IP routing the system discards any IP packets that are not addressed directly to one of its defined IP interfaces By default IP routing is disabled on the system Options Prompt Description Possible Values Default IP routing state ...

Page 451: ...3500 IP interface options such as ICMP router discovery appear under ip interface detail earlier in this chapter and are set on a per interface basis The rest of the output contains more RIP interface information The four available RIP modes are as follows Disabled The system ignores all incoming RIP packets and does not generate any RIP packets of its own Learn The system processes all incoming R...

Page 452: ...bled by default disabled Cost 3500 and 9000 only RIP cost for the interface by default 1 Index Index number of the interface Poison Reverse 3500 and 9000 only Whether poison reverse mode is enabled or disabled by default enabled RIP 1 Mode Mode for RIP 1 If you disable RIP 1 the output lists the state as off Other modes are learn default advertise and enabled RIP 2 Mode Mode for RIP 2 If you disab...

Page 453: ... The default RIP Version 2 mode is learn The four available RIP modes are as follows Disabled The interface ignores all incoming RIP packets and does not generate any RIP packets of its own Learn The interface processes all incoming RIP packets but it does not transmit RIP updates This is the default RIP mode Advertise 3500 and 9000 only The interface broadcasts RIP updates but it does not process...

Page 454: ... RIP mode Version 1 Selected RIP Version 1 mode that determines how the interface handles RIP 1 packets and updates disabled learn advertise 3500 9000 enabled 3500 9000 learn factory default or current value RIP mode Version 2 not 9000 Selected RIP mode that determines how the interface handles RIP 2 packets and updates disabled learn advertise 3500 only enabled 3500 only learn factory default or ...

Page 455: ...re uses the multicast address of 224 0 0 9 when sending periodic updates This latest industry recommendation reduces the load on hosts that are not configured to listen to RIP 2 messages When the system is configured to advertise RIP 2 packets and compatibility mode is enabled the software uses the advertisement list for RIP 2 updates Options Prompt Description Possible Values Default IP interface...

Page 456: ...etworks The system uses the cost number between 1 and 15 to calculate route metrics Unless your network has special requirements assign a cost of 1 to all interfaces Options Prompt Description Possible Values Default IP interfaces Index number of the interfaces for which you want to set the RIP cost One or more selectable interface indexes all for a list of selectable interface indexes Previous en...

Page 457: ... routes Poison reverse works with Split Horizon as follows When you enable Poison Reverse for use with the Split Horizon scheme the default the system advertises reverse routes in updates but sets the metrics to 16 infinity Setting the metric to infinity breaks the loop immediately when two routers have routes that point to each other When you disable Poison Reverse for the Split Horizon scheme re...

Page 458: ...em is advertising subnets 150 100 31 0 and 150 100 32 0 only the entry for network 150 100 0 0 is sent in the update With RIP Version 2 you must enable route aggregation mode if you want the interface to collapse the route table entries and function like RIP 1 If route aggregation mode is disabled the default a RIP 2 update sends all routing table entries Options Prompt Description Possible Values...

Page 459: ... table is not updated If you are using RIP 1 do not use the password option You cannot use the ASCII string none as the password This string is reserved to indicate the default password which is a null value Options IP RIP Password Example Select menu option ip rip password Select IP interfaces 1 2 all 1 Interface 1 Enter password none wings Prompt Description Possible Values Default IP interfaces...

Page 460: ...if you change the broadcast address If you subsequently use RIP 2 configure the interface to send RIP 2 advertisements and have the RIP 1 compatibility mode disabled the multicast address is used for updates For the CoreBuilder 9000 each interface that you define initially uses the directed broadcast address as the RIP advertisement address all 1s in the host field You can specify up to 64 adverti...

Page 461: ...x number of the interfaces for which you want to add the advertisement address One or more selectable interface indexes for a list of selectable interface indexes Previous entry if applicable Advertisement address Selected IP address to add to the list of advertisement addresses A valid IP address ...

Page 462: ...ses for an interface Valid Minimum Abbreviation ip ri re Options Prompt Description Possible Values Default IP interfaces Index number of the interfaces for which you want to remove the advertisement address One or more selectable interface indexes for a list of selectable interface indexes Previous entry if applicable Advertisement address Advertisement address that you want to remove An address ...

Page 463: ...information from Open Shortest Path First OSPF Export policies send information from the routing table to RIP and RIP routers which controls what is going out on the wire to the RIP domain You can also export from the routing table to OSPF The system tracks policies that you define in both RIP and OSPF so the indexes that are assigned to your policies may have gaps for example if you have RIP poli...

Page 464: ...on from Open Shortest Path First OSPF Export policies send information from the routing table to RIP and RIP routers which controls what is going out on the wire to the RIP domain You can also export from the routing table to OSPF Fields in the IP RIP Policy Detail Display Field Description Action Action for the route accept or reject Index Index number of the policy Interface Interface that is as...

Page 465: ...le to OSPF The system assigns an index number to each policy and takes into account all route policies set on the system RIP and OSPF You can define up to 128 routing policies total shared between OSPF and RIP policies Certain conditions are associated with import and export policies See the import and export policy tables that follow the Options table for lists of the conditions You can set up an...

Page 466: ...or example 255 255 0 0 A valid mask Based on route IP interfaces Index number of the interface indexes for which you want to define a routing policy One or more selectable interface indexes all for a list of selectable interface indexes all or previous entry if applicable Policy action Whether to accept or reject the route accept reject accept Metric adjustment For accept conditions only increase ...

Page 467: ...with or without metric adjustments all all routers Specified route mask accept Accept specified route on specified interfaces with or without metric adjustments all all accept Accept all routes on specified interfaces with or without metric adjustments Specified router Specified route mask reject Reject specified route from specified router on specified interfaces Metrics are not applicable Specif...

Page 468: ... 0 Select IP interfaces 1 2 all 1 all Enter policy action accept reject accept Enter metric adjustment 0 16 0 Enter administrative weight 1 16 1 Protocol Source Router Route Action Description RIP OSPF static Specified router or all routers Specified route mask accept Advertise RIP OSPF static specified route from specified source router on specified interfaces with or without metric adjustments R...

Page 469: ...wire to the RIP domain You can also export from the routing table to OSPF The system assigns an index number to each policy that you define This index takes into account all route policies set on the system RIP and OSPF so the assigned index can be higher than you may expect Options Prompt Description Possible Values Default Policy type Type of policy import export import Origin protocols export W...

Page 470: ...ept reject accept Metric adjustment Used with accept increase or decrease in the converted route metric by the specified value Options include add subtract multiple metric by value use new metric as divisor modulus take remainder of division operation expressed as an integer 0 16 0 which does not change the metric Administrative weight Metric value for this policy higher values have higher priorit...

Page 471: ...mber to each policy that you define This index takes into account all route policies that are set on the system RIP and OSPF so the assigned index can be higher than you may expect When you remove a policy the associated index is available for future use Options Prompt Description Possible Values Default Policy index Index number that is associated with the policy that you want to delete One or mo...

Page 472: ...rip statistics For CoreBuilder 9000 Applies to Layer 3 switching modules only Displays general RIP statistics Valid Minimum Abbreviation ip rip s Fields in the IP RIP Statistics Display Field Description queries Number of queries routeChanges Number of route changes ...

Page 473: ...cify a host name the host name and its associated IP address must be configured on a network name server Also you must add the IP address on the name server to the list of name server addresses that are associated with the network domain name See ip dns domainName earlier in this chapter for more information When the system sends an echo request packet to an IP station using ping the system waits ...

Page 474: ...r current value Select menu option ip ping Enter host name IP address 0 0 0 0 158 101 111 50 Press Enter key to interrupt PING 158 101 111 50 64 byte packets 64 bytes from 158 101 111 50 icmp_seq 0 time 16 ms 64 bytes from 158 101 111 50 icmp_seq 1 time 19 ms 64 bytes from 158 101 111 50 icmp_seq 2 time 24 ms 158 101 111 50 PING Statistics 3 packets transmitted 3 packets received 0 packet loss rou...

Page 475: ...on Do not use the burst option during periods of heavy network traffic Use this option only as a diagnostic tool in a network that has many routers to determine if one of the routers is not forwarding packets For example you can set a high count value 1000 packets and then observe the run lights on the units the run lights blink rapidly on routers that are forwarding packets successfully but remai...

Page 476: ...a packet to travel to and from the host When disabled the system displays more detailed status information about each ICMP echo request packet disabled enabled disabled Time between sending each packet wait Number of seconds that the system waits before it sends out successive ICMP echo request packets Set this option to a high value if network traffic is heavy and you choose not to add to the net...

Page 477: ...sending each packet 1 20 1 2 Configure ICMP sourceAddress n y y Index Interface address 0 Best interface default 1 158 101 117 151 2 158 101 10 1 Select interface index 0 2 0 1 Press Enter key to interrupt PING 158 101 112 56 from 158 101 117 151 64 byte packets 64 bytes from 158 101 112 56 icmp_seq 0 time 26 ms 64 bytes from 158 101 112 56 icmp_seq 1 time 18 ms 64 bytes from 158 101 112 56 icmp_s...

Page 478: ...Route options You can either supply the host name or IP address as part of the command string or you can supply the information at the prompt When you specify a host name the host name and its associated IP address must be configured on a network name server Also you must add the IP address on the name server to the list of name server addresses that are associated with the network domain name See...

Page 479: ...wing N Network is unreachable H Host is unreachable P Protocol is unreachable F Fragmentation is needed n Unknown packet type To interrupt the command press Enter Options IP Trace Route Example Prompt Description Possible Values Default Host name or IP address Host name or IP address of the destination to which you want to trace a route A valid host name IP address 0 0 0 0 Select menu option ip tr...

Page 480: ...ame or IP address Host name or IP address of the destination that you want to ping A valid host name IP address 0 0 0 0 Maximum ttl Maximum number of hops that the system can use in outgoing probe packets 1 255 hops 30 Destination port Destination or base UDP port number that the system uses in probe packets Set the destination UDP port number to be very high to ensure that an application at the d...

Page 481: ... address 158 101 101 27 Enter maximum Time to Live ttl 1 255 30 10 Enter Destination Port number 30000 65535 33434 Enter the number of probes to be sent at each ttl level 1 10 3 Enter time sec to wait for a response 1 10 3 Enter the packet size bytes 28 4096 28 Configure TRACEROUTE sourceAddress n y y Index Interface address 0 Best interface default 1 158 101 117 151 2 158 101 10 1 Select interfac...

Page 482: ...hat were discarded because they needed to be fragmented but could not be for example because their Don t Fragment bit was set fragOks Number of IP datagrams that were successfully fragmented inAddrErrors Number of datagrams that the IP station discarded because of an error in the source or destination IP address inDelivers Number of datagrams that the IP station delivered to local IP client protoc...

Page 483: ... address inErrors Number of received UDP packets that contain header errors noPorts Number of UDP packets that were received but addressed to an unsupported UDP port outDatagrams Number of UDP packets that the router sent Field Description inAddrMaskReps Number of ICMP address mask reply frames that were received inAddrMasks Number of ICMP address mask request packets that were received inDestUnre...

Page 484: ...at were sent outEchoReps Number of ICMP echo reply packets that were sent outEchos Number of ICMP echo request packets that were sent outErrors Number of ICMP packets that were sent that were dropped due to system resource errors outMsgs Number of ICMP packets that were sent outParmProbs Number of ICMP parameter problem packets that were sent outRedirects Number of ICMP redirect packets that were ...

Page 485: ...Structure The commands that you can use depend on the system that you have your level of access and the types of modules and other hardware options that are configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command vrrp menu summary ...

Page 486: ... selectable IDs ID of virtual router that is defined on the VLAN Field Description Address IP address of the virtual router Auth Whether the VRRP router uses simple password authentication If password authentication is configured the VRRP router discards any VRRP packet that does not have a matching authentication string Error Last type of invalid advertisement received or none Interval Time in se...

Page 487: ...nsitional state between Backup and Master states Typically indicates that the virtual router has been configured but not enabled or that the virtual router mode has been set to disabled In this state the router waits for a Startup event When the router receives the Startup event it broadcasts an ARP request that contains the virtual router MAC address for all IP addresses that are associated with ...

Page 488: ...N VLAN for which you want to display virtual router information One or more valid IP VLAN index numbers all for a list of selectable indexes Virtual router ID ID of the virtual router for which you want to display summary information Valid virtual router ID 0 255 for list of selectable IDs ID of virtual router that is defined on the VLAN Field Description Address IP address of the virtual router a...

Page 489: ...f VRRP advertisements with an invalid value in the Type field that this virtual router has received ipTtlErrors Total number of VRRP advertisements with IP TTL Time to Live not equal to 255 that this virtual router has received MasterIpAdd IP address of the Master for this virtual router Ports Ports that are defined on the virtual LAN VLAN and that are associated with the virtual router Preempt Wh...

Page 490: ...sses that are associated with the virtual router Initialize Transitional state between Backup and Master states Typically indicates that the virtual router has been configured but not enabled or that the virtual router mode has been set to disabled In this state the router waits for a Startup event When the router receives the Startup event it broadcasts an ARP request that contains the virtual ro...

Page 491: ...ddress Type State Interval Pri Preempt Auth Error 1 158 101 175 228 Primary Master 1 sec 255 Yes pass none VIDX VRID becomeMaster advertReceived ckSumErrors versionErrors 2 1 1 0 0 0 VIDX VRID advIntErrors securViolations ipTtlErrors priorityZeroRx 2 1 0 0 0 0 VIDX VRID priorityZeroTx invalidPktTypeRx addrListErrors unknownAuthType 2 1 0 0 0 0 VIDX VRID authTypeErrors 2 1 0 ...

Page 492: ...RID of a virtual router that is already defined on the system or the VRID of a neighboring VRRP router Backup Routers Backup routers back up the primary router of a specified virtual router and assume Master state responsibilities for the virtual router should the primary router fail When you define a Backup virtual router you cannot use the VRID of a primary router that is defined on the system Y...

Page 493: ...outers in auto learn mode can learn the new address without having to manually add the new address to each backup router Advertisement Intervals The smaller the advertisement interval the smaller the failover time if the master fails The advertisement interval must be the same across the set of VRRP routers that are associated with a single VRID Backup routers must have the same advertisement inte...

Page 494: ...r preempt mode no yes yes Enter Authentication Type none pass pass pass Enter 8 characters password echoe Advertise interval Time between virtual router advertisements 1 255 seconds 1 Preempt mode Whether a higher priority backup router may preempt a lower priority master n no y yes y Authentication type Whether a password is needed to access the virtual router none pass none Password Character st...

Page 495: ...l router that is already defined on the system or the VRID of a neighboring VRRP router Backup Routers Backup routers back up the primary router of a specified virtual router and assume Master state responsibilities for the virtual router should the primary router fail When you define a Backup virtual router you cannot use the VRID of a primary router that is defined on the system You cannot defin...

Page 496: ... the Backup routers in auto learn mode can learn the new address without having to manually add the new address to each backup router Advertisement Intervals The smaller the advertisement interval the smaller the failover time if the master fails The advertisement interval must be the same across the set of VRRP routers that are associated with a single VRID Backup routers must have the same adver...

Page 497: ...alphanumeric characters Prompt Description Possible Values Default Select menu option ip vrrp modify Enter VLAN interface index 2 3 2 Enter virtual router ID 1 1 Enter virtual router s type Primary Backup Primary Enter address mode auto learn IP address auto learn IP address Old Ip Association address list VRID VIDX Address 1 2 158 101 175 228 Interface 158 101 175 228 will be selected as your pri...

Page 498: ...stem removes the virtual router which sends an advertisement to the other virtual routers that one of them must assume Master responsibilities immediately Options IP VRRP Remove Example Select menu option ip vrrp remove Enter VLAN interface index 2 3 all 2 Enter virtual router ID 1 1 Prompt Description Possible Values Default VLAN interface index Index number of the virtual LAN VLAN on which you w...

Page 499: ...Enter VLAN interface index 2 3 all all Enter virtual router ID 1 2 all all Vrid 1 Enter virtual router mode enabled disabled disabled enabled Vrid 2 Enter virtual router mode enabled disabled disabled enabled Prompt Description Possible Values Default VLAN interface index Index number of the virtual LAN VLAN on which you want to define the virtual router Index number of a IP virtual LAN VLAN defin...

Page 500: ...s in the IP VRRP Neighbor Display Field Description VLAN Index Index number of the VLAN on which the virtual router is defined VRID Virtual Router ID Number that identifies the virtual router on the LAN Address IP address of the neighbor virtual router which may be a Master or Backup router MasterRouterAddr IP address of the Master virtual router Interval Time in seconds between virtual router adv...

Page 501: ...elds in the IP VRRP Statistics Display Field Description ckSumErrors Total number of VRRP advertisements with an invalid VRRP checksum value that this virtual router has received versionErrors Total number of VRRP advertisements with an unknown or unsupported version number that this virtual router has received vriderrors Total number of VRRP advertisements with an invalid VRID number that this vi...

Page 502: ...502 CHAPTER 17 VIRTUAL ROUTER REDUNDANCY VRRP ...

Page 503: ...tching modules For the CoreBuilder 9000 platform the commands in this chapter apply to Layer 3 switching modules only For more information about IP multicast technology concepts and implementation procedures see the Implementation Guide for your system For IGMP commands in Layer 2 switching systems CoreBuilder 9400 CoreBuilder 9000 Layer 2 switching modules SuperStack II Switch 3900 and SuperStack...

Page 504: ...ether your system supports the command dvmrp menu interface tunnels routeDisplay cacheDisplay default multicast menu dvmrp igmp cache traceRoute ip menu interface route arp multicast dns vrrp udpHelper routing ospf rip ping advancedPing traceRoute advancedTraceRoute statistics Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconne...

Page 505: ...ost that you assign to the interface State Role that the interface plays in IP multicast delivery One or more of the following descriptors may appear querier The interface is functioning as the IGMP Querier for its subnetwork non querier The interface is not functioning as the IGMP Querier for its subnetwork leaf There are no routers downstream of this interface IP multicast group members may resi...

Page 506: ...uerier for its subnetwork non querier The interface is not functioning as the IGMP Querier for its subnetwork leaf There are no routers downstream of this interface IP multicast group members may reside on this subnetwork non leaf The interface is a branch in the IP multicast delivery tree There are one or more IP multicast routing interfaces downstream of this interface one way Traffic is moving ...

Page 507: ...interface metric later in this chapter If DVMRP is enabled on any interface IGMP snooping should also be enabled in the system See ip multicast igmp snooping later in this chapter If DVMRP is disabled the interface cannot participate in building spanning trees for IP multicast However as long as IGMP snooping is enabled the interface forwards appropriate IP multicast traffic to downstream group me...

Page 508: ...e system assigns to an interface when you define it even if DVMRP is not yet enabled The metric affects the shape of the IP multicast spanning tree when there are multiple paths to the same downstream destination The lower cost path is the preferred path Options Prompt Description Possible Values Default IP interface Index number of the routing interface for which you want to modify the default me...

Page 509: ...a way to identify individual tunnels which is necessary because multiple tunnel end points can be configured on the same routing interface Tunnel index numbers are also needed so that you can remove tunnels without removing the interface with which it is associated When you remove a tunnel the system does not dynamically re order remaining tunnels in the DVMRP tunnel summary display For example if...

Page 510: ...ns a value of 1 when you define the tunnel but you can modify that value at any time see ip multicast dvmrp tunnels metric This value can be different from the metric that you assigned to the interface itself see ip multicast dvmrp interface metric TTL Time to live TTL threshold of the tunnel The system assigns a value of 1 when you define the tunnel but you can modify that value at any time see i...

Page 511: ...on top of a regular DVMRP routing interface Therefore before you can define a multicast tunnel end point in your system you must first define at least one IP virtual LAN VLAN define at least one IP interface and enable DVMRP on the interface The remote tunnel end point must lie on a different system and subnetwork You must define the tunnel on both end points that is on both the local system and t...

Page 512: ...er of the interface on which you want to create a DVMRP tunnel end point A valid IP interface index number for a list of selectable indexes Remote address IP address of the remote multicast tunnel end point Use standard dotted decimal notation A valid IP interface on a different system and subnetwork ...

Page 513: ... message Before you can remove the IP interface you must remove the DVMRP tunnel When you remove a tunnel the system does not dynamically re order remaining tunnels in the DVMRP tunnel summary display For example if you had three tunnels with tunnel index numbers 1 2 and 3 and you then removed tunnel 2 the display lists the remaining tunnels with their original tunnel index numbers 1 and 3 in this...

Page 514: ...Consideration The remote address that you specify must represent a routing interface on a different system and subnetwork Options Prompt Description Possible Values Default tunnel Index number of the tunnel for which you modify the remote tunnel end point A valid DVMRP tunnel index number in the system for a list of selectable tunnel index numbers remote address A valid IP address on a different s...

Page 515: ...alue 1 as the TTL threshold for the tunnel which is different from the interface TTL threshold Use this command to modify the TTL threshold value on any existing tunnel Options Prompt Definition Possible Values Default tunnel Index number of the existing DVMRP tunnel on which you want to modify the TTL threshold A valid DVMRP tunnel index number for a list of selectable tunnel index numbers thresh...

Page 516: ... tunnel which is different from the interface metric Use this command to modify the metric value on any existing tunnel Options Prompt Definition Possible Values Default tunnel Index number of the existing DVMRP tunnel on which you want to modify the metric A valid DVMRP tunnel index number for a list of selectable tunnel index numbers metric DVMRP cost for the tunnel This value affects the shape ...

Page 517: ...This value is not the DVMRP interface or tunnel metric which are shown under Metric in other displays Occasionally instead of a numeric value you may see NR meaning network unreachable Your system may have trouble computing the hop count because of factors such as an upstream router being temporarily congested This condition is usually resolved in a short period of time Tmr Amount of time in secon...

Page 518: ... 255 255 255 255 factory default or current value Field Description Source Information about IP multicast sources Entries preceded by angle brackets are subnetworks that contain sources Entries without angle brackets are the IP addresses of source devices Group IP multicast group address of packets coming from the source and subnetwork to the left CTmr Time since the cache entry was originally rec...

Page 519: ... the inVif is being forwarded Each interface is presented as an index number and either an I or a T precedes each index number An I precedes a routing interface index number A T precedes a tunnel index number A p after an index number indicates that the upstream router has pruned this branch of the delivery tree and no multicast packets are being forwarded through this local interface Eventually t...

Page 520: ...known routes to neighboring DVMRP routers only The interface advertises only the default route to neighboring DVMRP routers If the system learns a default route it propagates it no matter which mode is set on a given interface The system allows you to configure an interface as a DVMRP default route even when DVMRP is disabled on the interface If DVMRP is disabled the interface does not advertise i...

Page 521: ...ndex Number assigned to the routing interface to its right Address IP address of a routing interface in the system TtlThreshold Time to live TTL threshold that is assigned to the interface This threshold affects IP multicast packets only Protocol Multicast routing protocol that registers with IGMP In release 3 0 software there is one supported routing protocol DVMRP Querier IP address of the IGMP ...

Page 522: ...e system that is identified by the index number to its left TtlThreshold Time to live TTL threshold that is assigned to the interface This threshold affects IP multicast packets only Protocol Multicast routing protocol that registers with IGMP In release 3 0 software there is one supported routing protocol DVMRP Querier IP address of the IGMP querier in the subnetwork to which the interface belong...

Page 523: ...ds the packet provided that no other restrictions exist Valid Minimum Abbreviation ip m i i t Important Considerations Because IGMP is enabled by factory default the system assigns a TTL threshold value of 1 as soon as you create an IP interface This TTL threshold affects IP multicast packets only Options Prompt Description Possible Values Default IP interfaces Index numbers of the interfaces for ...

Page 524: ...orward group traffic on those interfaces Valid Minimum Abbreviation ip m i s Important Considerations Your selection applies to all interfaces in the system 3Com recommends that you keep IGMP snooping enabled at all times It adds little processing overhead to the system and enhances the efficiency of your network if IP multicast traffic is present Options Prompt Description Possible Values Default...

Page 525: ...s always the device with the lowest IP address Valid Minimum Abbreviation ip m i q Important Considerations Your selection applies to all interfaces in the system The most efficient bandwidth usage is achieved by having the device that is closest to the source of IP multicast traffic operate as the querier for a given subnetwork Options Prompt Description Possible Values Default query mode Whether...

Page 526: ... Administration Console menu description is protocol independent multicast cache this cache is not related to the multicast routing protocol called Protocol Independent Multicast PIM Options Prompt Description Possible Values Default Multicast source address Source for which you want to view cache information Depends on your network 255 255 255 255 for all sources 255 255 255 255 factory default o...

Page 527: ...Index number of the interface that receives incoming IP multicast group traffic Either an I or a T precedes the index number An I indicates a regular IP multicast interface A T indicates that the interface also operates as a DVMRP tunnel outVif Index numbers of the interfaces to which traffic from the inVif is being forwarded inPorts Physical port that corresponds to the interface that is listed i...

Page 528: ...es a display that shows IP addresses of the interfaces that span from your system back to the source that you specify The display also shows the number of hops back to those interfaces the multicast routing protocols used and the amount of time it takes to reach each hop from the receiver All interim devices must support IP multicast traceroute for you to see a complete path on the display Options...

Page 529: ... use to configure Open Shortest Path First OSPF routing on your system For more information about administering OSPF routing on your network see the Implementation Guide for your system For the CoreBuilder 9000 the commands in this chapter apply to Layer 3 switching modules only ...

Page 530: ...rface linkStateData neighbors routerID partition stubDefaultMetric virtualLinks policy statistics ip menu interface route arp multicast dns vrrp udpHelper routing ospf rip ping advancedPing traceRoute advancedTraceRoute statistics areas menu display defineArea modifyArea removeArea addRange modifyRange removeRange interface menu summary detail statistics mode priority areaID cost delay hello retra...

Page 531: ...isting OSPF areas Valid Minimum Abbreviation ip o a di Fields in the IP OSPF Areas Display Field Description Advertise Whether the network range is advertised y or not n AreaID Area identifier Indx Entry index number for the area IP Address Network portion of IP address range Mask IP address range subnet mask Stub Whether the area is a stub area y or not n ...

Page 532: ...he backbone area 0 0 0 0 is configured by default The area ID must be unique for the autonomous system On the CoreBuilder 3500 you can define a maximum of eight areas Options Prompt Description Possible Values Default Area ID In the form n n n n where 0 n 255 functions as an area identification number to the OSPF autonomous system Up to 255 255 255 255 Stub area Whether this area is a stub area y ...

Page 533: ...ip o a modifya Options Prompt Description Possible Values Default Area Index number of the area that you want to modify Valid area index number for a list of selectable indexes Area ID In the form n n n n where 0 n 255 functions as an area identification number to the OSPF autonomous system Up to 255 255 255 255 Stub area Whether this area is a stub area y yes n no n factory default or current val...

Page 534: ...9000 Applies to Layer 3 switching modules only Removes an existing OSPF area Valid Minimum Abbreviation ip o a removea Options Prompt Description Possible Values Default Area Index number of the area that you want to remove Valid area index number all for a list of selectable indexes First available index number ...

Page 535: ...ossible Values Default Area Index number of the area to which you want to add the range Valid area index number for a list of selectable indexes IP address IP address of the range that you want to add to the area Up to 255 255 255 255 Subnet mask Subnet mask of the range that you want to add to the area Variable based on address range class Variable based on address range class Advertise range Whe...

Page 536: ... 0 0 Advertise this area range yes no yes y Prompt Description Possible Values Default Area Index number of the area that contains the range that you want to modify Valid area index number for a list of selectable indexes IP address of range Existing range that you want to modify in the form of an IP address Up to 255 255 255 255 IP address Range in the form of an IP address Up to 255 255 255 255 ...

Page 537: ...only Removes an OSPF area range Valid Minimum Abbreviation ip o a remover Options Prompt Description Possible Values Default Area Index number of the area that contains the range that you want to delete Valid area index number for a list of selectable indexes IP address IP address of the range that you want to delete Up to 255 255 255 255 ...

Page 538: ...iation ip o d di Important Considerations If a default metric is not defined the router does not advertise itself as the default router By default the default route metric is not defined Field in the IP OSPF Default Route Metric Display Field Description Default route metric Cost metric that is associated with the default route A higher cost indicates a slower route for example because it entails ...

Page 539: ...tions If a default metric is not defined the router does not advertise itself as the default router By default the default route metric is not defined Defining is default route metric is useful when the configuration supports multiple paths to the same destination It provides a way to signify which of the paths is to be preferred Options Prompt Description Possible Values Default Default route met...

Page 540: ...only Removes the default route metric Valid Minimum Abbreviation ip o d r Important Considerations If a default metric is not defined the router does not advertise itself as the default router By default the default route metric is not defined The default route metric is removed immediately after you enter the command You are not prompted to confirm the deletion ...

Page 541: ...escription AreaID OSPF area to which the interface belongs Dead Intvl Time interval in seconds before OSPF declares that a neighbor is dead Hello Intvl OSPF Hello packet transmit interval in seconds for the interface Indx Interface entry index same number as the IP interface index Password Password that is associated with the OSPF interface Pri OSPF router priority for the interface Rxmit Intvl LS...

Page 542: ...lay Field Description AreaID OSPF area to which the interface belongs BDR IP interface of the backup designated router BDR Dead Intvl Time interval in seconds before OSPF declares that a neighbor is dead DR IP interface of the designated router DR Hello Intvl OSPF Hello packet transmit interval in seconds for the interface Indx Index number that corresponds to the IP interface for which OSPF infor...

Page 543: ... operational and connects to either a point to point network or a virtual link The router attempts to form adjacency with the neighboring router DRother Interface is on a multiaccess network where this router is not the designated router or backup designated router BDR Router is the backup designated router on the attached network DR Router is the designated router on the attached network Xmit Cos...

Page 544: ...of packets discarded due to OSPF authentication errors Interpretation A non zero value is bad and means that packets from some OSPF routers are being discarded due to authentication errors This statistic is incremented under the following circumstances If the OSPF packet authentication type is something other than simple password i e cryptographic authentication is not supported in the current imp...

Page 545: ...et interval mismatches that were detected mismatchMask Number of subnet mask mismatches that were detected packetXsumError Number of packet checksum errors since interface has come up receiveDD Number of database description packets that were received from valid OSPF neighbors Interpretation A non zero value is OK Database description packets are sent when forming adjacencies with valid neighbors ...

Page 546: ...ket is not processed When an OSPF link state acknowledgement LSAck packet is received and the packet length is too short When processing an LSAck packet if the area described by the packet is not known by the router receiving the packet When processing any OSPF packet if the packet length is less than the OSPF header length then it must have been truncated and the packet is dropped When an OSPF pa...

Page 547: ...transmitError Number of general transmit errors Interpretation A non zero value indicates that an OSPF packet could not be sent either out a particular interface or to a particular destination This could prevent OSPF from running properly within the autonomous system and lead to routing problems This statistic is incremented under the following circumstances When an OSPF Hello LSU or LSAck is bein...

Page 548: ...Abbreviation ip o i m Options Prompt Description Possible Values Default IP interface Index number of one or more IP interfaces on which you want to enable or disable OSPF One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value OSPF mode Whether to disable or enable OSPF on the specified IP interface disabled enabled disabled factory d...

Page 549: ...ority of an OSPF router determines its status as a designated router Options Prompt Description Possible Values Default IP interface Index number of one or more IP interfaces to which you want to assign a priority One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value Priority Interface priority If 0 router will not be the default rou...

Page 550: ...network segment because they are in the same area 0 0 0 0 indicates the OSPF backbone area Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces that you want to associate with the area One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value Area ID ID of area in the form n n n n where 0...

Page 551: ...tes a default cost value based on the module media type you can use this command to manually change the cost to a different value Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces to which you want to assign a cost One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value Cost Cost tha...

Page 552: ... Set the transmit delay according to the link speed use a longer transmit delay time for slower link speeds The transmit delay must be consistent throughout the autonomous system Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces for which you want to set the transmit delay One or more valid IP interface index numbers all for a list of selectable...

Page 553: ...od of time specified by the dead interval the router is considered inactive by its neighbors The Hello packet interval must be consistent throughout the autonomous system Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces for which you want to set the Hello interval One or more valid IP interface index numbers all for a list of selectable indexes...

Page 554: ...ace Valid Minimum Abbreviation ip o i r Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces on which you want to set the LSA retransmit interval One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value LSA retransmit time Interval at which the specified interface retransmits LSAs 1 6553...

Page 555: ...l routers on the network Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces on which you want to set the dead interval One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value Dead interval Maximum duration in seconds that neighbor routers wait for a Hello packet before they determine ...

Page 556: ...ssword to none The password must be consistent throughout the autonomous system Options Prompt Description Possible Values Default IP interface Index number of one or more interfaces for which you want to assign or remove a password One or more valid IP interface index numbers all for a list of selectable indexes all factory default or current value Password Password for the specified interface Th...

Page 557: ...play Prompt Description Possible Values Default Area ID Area ID in the form n n n n where 0 n 255 that corresponds to the OSPF area for which you want to view LSA summary information Valid area ID 0 0 0 0 factory default or current value Area mask Subnet mask of OSPF area for which you want to view LSA summary information Valid area mask 0 0 0 0 factory default or current value Field Description C...

Page 558: ...area for which you want to view router link state advertisement information Valid area ID 0 0 0 0 factory default or current value Area mask Subnet mask of OSPF area for which you want to view router link state advertisement information Valid area mask 0 0 0 0 factory default or current value LSID Link State ID router ID of the originating router in the form of an IP address Router ID 0 0 0 0 fact...

Page 559: ... Virtual link Neighboring router s router ID Link Type PTP Connection is point to point to another router Transit Net Connection is to a transit network one that has more than one OSPF router on it Stub Net Connection is to a stub network Virtual link Connection is to a far end router that is the endpoint of a virtual link LS Age Time in seconds since LSA was originated LS Seq Sequence number of t...

Page 560: ...ea ID 0 0 0 0 factory default or current value Area Mask Subnet mask of OSPF area for which you want to view network LSA information Valid area mask 0 0 0 0 factory default or current value LSID Link State ID interface address of the designated router Valid IP address 0 0 0 0 factory default or current value LSID mask Link State ID bit mask Example 255 0 0 0 Link State ID bit mask 0 0 0 0 factory ...

Page 561: ... which you want to view summary LSA information Valid area ID 0 0 0 0 factory default or current value Area mask Subnet mask of the OSPF area for which you want to view summary LSA information Valid area mask 0 0 0 0 factory default or current value LSID Link State ID For type 3 summary LSAs this is the IP address of the destination network For type 4 summary LSAs this is the autonomous system bou...

Page 562: ...seconds since LSA was originated LS Seq Sequence number of the LSA used to detect older duplicate LSAs LSID Type 3 Destination network s IP address Type 4 ASBR s OSPF router ID Metric Cost to reach the network Network mask For Type 3 destination network s IP address mask For Type 4 Not used must be 0 Router ID Originating router ID ...

Page 563: ... 0 factory default or current value LSID mask Link State ID bit mask Example 255 0 0 0 Link State ID bit mask 0 0 0 0 factory default or current value Field Description Fwd Address Forwarding address for data traffic to the advertised destination LS Age Time in seconds since LSA was originated LS Seq Sequence number of the LSA used to detect older duplicate LSAs LSID IP network number Metric Cost ...

Page 564: ...bor Addr Interface address of neighbor Pri Neighbor s OSPF router priority ReqQ Number of LSAs being requested from neighbor Router ID Neighbor s OSPF router ID RxQ Number of LSAs in local retransmit queue to the neighbor State Neighbor s adjacency Down No recent data received from neighbor connection is down Attempt Only used on nonbroadcast networks No recent data received from neighbor will att...

Page 565: ...ghbor addresses dynamically on interfaces that support multicast routing Define static neighbors only on nonmulticast interfaces Options Prompt Description Possible Values Default IP interface Index number of the interface to which you want to add a neighbor Valid interface index number for a list of selectable indexes First available factory default or current value Static neighbor address Addres...

Page 566: ...ting interface Valid Minimum Abbreviation ip o n r Options Prompt Description Possible Values Default IP interface Index number of the interface from which you want to remove a neighbor Valid interface index number for a list of selectable indexes First available factory default or current value Neighbor address Address of neighbor that you want to remove Valid IP address on interface subnetwork ...

Page 567: ...as the default router ID Interface The index of an IP interface on the router Address An ID that you define in the form of an IP address OSPF routing must be inactive disabled before you can add or modify an OSPF router ID To set the OSPF mode to disabled see ip ospf interface mode earlier in this chapter After you modify the router ID you can set the OSPF mode to enabled on the interface The rout...

Page 568: ...for a list of selectable indexes First available factory default or current value Router ID For address router ID type only Identifier that is assigned to router in the form of an IP address 0 0 0 0 and 255 255 255 255 are invalid and will be rejected User defined router ID Unique router ID generated by the system factory default or current value Current OSPF router id 0 43 66 0 default Enter rout...

Page 569: ...e next system reboot 0 means that OSPF has been set to use the system memory partition at the next reboot 1 means that OSPF has been set to use the default memory allocation scheme deriving its partition size from the maximum size of the IP routing table at the next reboot Any other value that does not equal the current partition maximum size means that OSPF has been manually set to use a specific...

Page 570: ...cally do not have to modify the OSPF memory allocation However if the softRestarts statistic shown by the ip ospf statistics option begins to climb it means that OSPF is thrashing for memory and you must increase the maximum memory For a complete description of OSPF memory allocation see the OSPF Memory Partition section in the OSPF chapter of the Implementation Guide The partition size option tha...

Page 571: ... The stub default metric value determines if the router generates the default route into the stub areas of the network This value applies to area border routers ABRs that have attached stub areas If a stub default metric is not defined the router does not advertise a default route into the attached stub area By default the stub default metric is not defined Field in the IP OSPF Stub Default Metric...

Page 572: ...ue determines if the router generates the default route into the stub areas of the network This value applies to area border routers ABRs that have attached stub areas If a stub default metric is not defined the router does not advertise a default route into the attached stub area By default the stub default metric is not defined Options Prompt Description Possible Values Default Stub default metr...

Page 573: ...Considerations The system removes the current stub default metric value immediately after you enter the command The stub default metric value determines if the router generates the default route into the stub areas of the network This value applies to area border routers ABRs that have attached stub areas If a stub default metric is not defined the router does not advertise a default route into th...

Page 574: ...tual link all for a list of selectable indexes Field Description Dead Intvl Number of seconds before the area border router s neighbors declare it down when they stop hearing the router s Hellos Hello Intvl Length of time in seconds between Hello packets Indx Index number of the virtual link Password Password for the virtual link Rxmit Intvl Length of time in seconds between link state advertiseme...

Page 575: ...n Index number of a currently defined virtual link all for a list of selectable indexes Field Description Dead Intvl Number of seconds before the area border router s neighbors declare it down when they stop hearing the router s Hellos Hello Intvl Length of time in seconds between Hello packets Indx Index number of the virtual link Password Password for the virtual link Rxmit Intvl Length of time ...

Page 576: ...requested from the neighbor RxQ Number of LSAs that are in the local retransmit queue to the neighbor State Neighbor s adjacency Down No recent data received from neighbor connection is down Attempt Only used on nonbroadcast networks No recent data received from neighbor will attempt to contact Init Have recently seen Hello packet from neighbor however two way communication has not been establishe...

Page 577: ...iscarded due to OSPF authentication errors Interpretation A non zero value is bad and means that packets from some OSPF routers are being discarded due to authentication errors This statistic is incremented under the following circumstances If the OSPF packet authentication type is something other than simple password that is cryptographic authentication is not supported in the current implementat...

Page 578: ...interval mismatches that have been detected mismatchMask Number of subnet mask mismatches that have been detected packetXsumError Number of packet checksum errors since the interface has come up receiveDD Number of database description packets that were received from valid OSPF neighbors Interpretation A non zero value is OK Database description packets are sent when forming adjacencies with valid...

Page 579: ...rocessed When an OSPF link state acknowledgement LSAck packet is received and the packet length is too short When processing an LSAck packet if the area described by the packet is not known by the router receiving the packet When processing any OSPF packet if the packet length is less than the OSPF header length then it must have been truncated and the packet is dropped When an OSPF packet is rece...

Page 580: ...ansmitError Number of general transmit errors Interpretation A non zero value indicates that an OSPF packet could not be sent either out a particular interface or to a particular destination This could prevent OSPF from running properly within the autonomous system and lead to routing problems This statistic is incremented under the following circumstances When an OSPF Hello LSU or LSAck is being ...

Page 581: ...ne area In cases where an area border router does not have direct physical access to the backbone you must configure a virtual link to act as a logical link to the backbone area You can define up to 32 virtual links per router Options Prompt Description Possible Values Default Transit area Area ID in the form n n n n where 0 n 255 through which the link is going Currently defined area ID Target ro...

Page 582: ... 9000 Applies to Layer 3 switching modules only Removes a virtual link Valid Minimum Abbreviation ip o v rem Options Prompt Description Possible Values Default Virtual link Index number of the virtual link that you want to remove Index number of a currently defined virtual link all for a list of selectable indexes ...

Page 583: ...reviation ip o v a Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify a new area ID Index number of a currently defined virtual link all for a list of selectable indexes Target area Area ID in the form n n n n where 0 n 255 of the transit area through which the virtual link must pass to reach the target router ID of a curr...

Page 584: ...alid Minimum Abbreviation ip o v ro Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify a new target router Index number of a currently defined virtual link all for a list of selectable indexes Target router IP address of the new destination area border router where the virtual link terminates Valid IP address of an OSPF ar...

Page 585: ...nt Consideration The virtual link transmit delay must be consistent throughout the autonomous system Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify the transmit delay Index number of a currently defined virtual link all for a list of selectable indexes Transmit delay New virtual link transmit delay in seconds 1 65535 s...

Page 586: ...nd Hello packets for a period of time specified by the dead interval the router is considered inactive by its neighbors The virtual link Hello interval must be consistent throughout the autonomous system Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify the Hello interval Index number of a currently defined virtual link a...

Page 587: ... Abbreviation ip o v ret Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify the retransmit interval Index number of a currently defined virtual link all for a list of selectable indexes LSA retransmit time Interval in seconds at which the area border router retransmits LSAs over the virtual link 1 65535 seconds 50 factory ...

Page 588: ...rval to the same value for all routers on the network Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify the dead interval Index number of a currently defined virtual link all for a list of selectable indexes Dead interval Maximum duration in seconds that neighbor routers wait for a Hello packet before they determine that ...

Page 589: ...tual link password to none to remove a previously assigned password The password must be consistent throughout the autonomous system Options Prompt Description Possible Values Default Virtual link Index number of the virtual link for which you want to specify a password Valid IP interface index number all for a list of selectable indexes Virtual link password Password for the specified virtual lin...

Page 590: ... Export policies Used on OSPF boundary routers to control which self originated external routing updates are placed in the link state database for propagation over the network In this way export policies govern what other routers learn with regard to the local boundary router s self originated information The system tracks policies that you define in both OSPF and Routing Information Protocol RIP ...

Page 591: ... originated external routing updates are placed in the link state database for propagation over the network In this way export policies govern what other routers learn with regard to the local boundary router s self originated information The system tracks policies that you define in both OSPF and Routing Information Protocol RIP so the indexes that are assigned to your policies may have gaps For ...

Page 592: ...nst which the policy is applied Source Source router only applicable to export policies that do not specify direct as Origin Protocol Type Whether the policy is an import or export policy Weight Administrative weight range of values 1 through 16 Field Description ...

Page 593: ... OSPF import policies control only what the local router uses They do not affect the propagation of non self originated external routes to other routers Export policies Used on OSPF boundary routers to control which self originated external routing updates are placed in the link state database for propagation over the network In this way export policies govern what other routers learn with regard ...

Page 594: ...bnet mask Subnet mask for the route for example 255 255 0 0 Not applicable to export policies that define direct as the Origin Protocol Any valid subnet mask 0 0 0 0 all IP interfaces Index number of the interface for which you want to define a routing policy Only applicable when specifying direct as the origin protocol when defining an export policy Valid interface index all for a list of selecta...

Page 595: ...es have higher priority 1 16 1 Route address mask Action Description Specified route mask accept Add specified non self originated external route with or without metric adjustments to the routing table all 0 0 0 0 accept Add all non self originated external routes with or without metric adjustments to the routing table Specified route mask reject Do not add specified non self originated external r...

Page 596: ...specified router with or without metric adjustments RIP or static Specified router or all routers Specified route mask reject Do not advertise in external LSAs RIP static routes from specified routers RIP or static Specified router or all routers all 0 0 0 0 reject Do not advertise in external LSAs any RIP static route from specified routers Protocol Interface Action Description Direct Specified n...

Page 597: ...e import export import export Enter origin protocols dir sta rip all dir sta rip sta Enter source address 0 0 0 0 204 243 30 4 Enter route address 0 0 0 0 22 32 4 2 Enter route subnet mask 255 0 0 0 Enter policy action accept reject accept accept Enter metric adjustment 0 65535 0 Enter ASE type type1 type2 type1 2 Enter administrative weight 1 16 1 3 Select menu option ip ospf policy define Enter ...

Page 598: ...control only what the local router uses They do not affect the propagation of non self originated external routes to other routers Export policies Used on OSPF boundary routers to control which self originated external routing updates are placed in the link state database for propagation over the network In this way export policies govern what other routers learn with regard to the local boundary ...

Page 599: ...tocol Any valid IP address Current value Route address Route IP address Not applicable to export policies that define direct as the Origin Protocol Any valid IP address Current value Route subnet mask Subnet mask for the route for example 255 255 0 0 Not applicable to export policies that define direct as the Origin Protocol Any valid mask Current value IP interfaces Index number of the interface ...

Page 600: ...pe 2 External metric is larger than any link state path Type 1 Type 2 Current value Administrative weight Metric value for this policy Higher values have higher priority 1 16 Current value Route address mask Action Description Specified route mask accept Add specified non self originated external route with or without metric adjustments to the routing table All 0 0 0 0 accept Add all non self orig...

Page 601: ... with or without metric adjustments RIP or static Specified router or all routers all 0 0 0 0 accept Advertise in external LSAs all RIP static routes from specified router with or without metric adjustments RIP or static Specified router or all routers Specified route mask reject Do not advertise in external LSAs RIP static routes from specified router s RIP or static Specified router or all route...

Page 602: ... define This index number takes into account all route policies that are set on the system Routing Information Protocol RIP and OSPF so the assigned index may be higher than you expect When you remove a policy the associated index number is available for future use Options Prompt Description Possible Values Default Policy index Index number of the policy that you want to delete Valid policy index ...

Page 603: ...ransmitted Number of link state advertisements that have been transmitted memoryFailures Number of nonfatal memory allocation failures recvErrors Number of general receive errors routeUpdateErrors Number of nonfatal routing table update failures softRestarts Number of OSPF router soft restarts due to insufficient memory resources implies a fatal memory allocation failure To fix this problem use ip...

Page 604: ...604 CHAPTER 19 OPEN SHORTEST PATH FIRST OSPF ...

Page 605: ...ute packets using the IPX protocol you 1 Define an IPX routing interface 2 Decide which IPX routing and server options you want to use 3 Enable IPX forwarding An IPX routing interface defines the relationship between an IPX virtual LAN VLAN and the subnetworks in the IPX network Each routing IPX VLAN interface is associated with a VLAN that supports IPX The system has one interface defined for eac...

Page 606: ...menu display secondary static remove flush interface menu display define modify remove SAPadvertising RIPadvertising ipx menu interface route server forwarding rip sap output delay statistics oddLengthPadding NetBIOS secondary Top Level menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect rip menu mode triggered policy sap menu mode tri...

Page 607: ...lds in the IPX Interface Display Field Description Format Frame encapsulation format Index System assigned index number for the interface IPX address Unique 4 byte network address State Status of the IPX interface It indicates whether the interface is available for communications up or unavailable down Ticks Number that the system uses to calculate route time A tick is an estimate of how long a pa...

Page 608: ...ocol that the VLAN supports as described in Chapter 14 For routing a VLAN can now support multiple protocols Unless your network has special requirements such as the need for redundant paths assign a cost of 1 to each interface The two Fiber Distributed Data Interface FDDI encapsulation formats correspond to the Ethernet 802 2 LLC and 802 3 SNAP encapsulation formats If you select either of these ...

Page 609: ...Frame format Frame encapsulation format for the interface IPX uses four Ethernet and two FDDI formats Ethernet Type II Novell 802 3 RAW 802 2 LLC and 802 3 SNAP The FDDI formats are available with 802 2 and SNAP Ethernet_II 802 2 802 2 LLC RAW_802 3 SNAP 802 3_SNAP VLAN Interface Index Index number of the VLAN to associate with the IPX interface A selectable VLAN interface to view a list of select...

Page 610: ...LAN index Unless your network has special requirements for example a need for redundant paths do not change the cost value of 1 that is assigned by default to each interface Options Prompt Description Possible Values Default Index Number associated with the interface that you want to modify One or more selectable IPX interfaces to view a list of selectable interfaces 1 if only 1 interface IPX netw...

Page 611: ...2 LLC and 802 3 SNAP The FDDI formats are available with 802 2 SNAP and 802 3 SNAP Ethernet_II 802 2 802 2 LLC RAW_802 3 SNAP 802 3_SNAP Current format VLAN interface index Index number of the VLAN that is associated with the IPX interface A selectable VLAN interface to view a list of selectable indexes Current VLAN index Prompt Description Possible Values Default ...

Page 612: ...interface if you no longer perform routing on the ports that are associated with the interface Valid Minimum Abbreviation ipx i r Options Prompt Description Possible Values Default Index Index number for the interface that you want to remove One or more selectable IPX interface indexes to view a list of selectable indexes 1 if only 1 interface ...

Page 613: ...r CoreBuilder 9000 Applies to Layer 3 switching modules only Controls whether the system advertises IPX services Valid Minimum Abbreviation ipx i s Options Prompt Description Possible Values Default IPX SAP advertising state Whether the system advertises IPX services enable disable disable ...

Page 614: ...Builder 9000 Applies to Layer 3 switching modules only Controls whether the system advertises IPX routes Valid Minimum Abbreviation ipx i r Options Prompt Description Possible Values Default IPX RIP advertising state Whether the system advertises IPX services enable disable disable ...

Page 615: ...orwarding is enabled RIP is active SAP is active RIP Triggered updates are enabled SAP Triggered updates are enabled Secondary route server option is enabled For a CoreBuilder 3500 system the route table display shows the range for the routing table primary entries in the format n m where n is the current number of entries and m is the maximum number of primary entries The maximum number of hops o...

Page 616: ... or the number of routers that must be crossed to reach the network segment Interface System assigned number for the interface Node 6 byte MAC address of the router that can forward packets to the segment A node address of all zeroes 00 00 00 00 00 00 means that the route is connected directly to the router Ticks Number of ticks which is an estimate of time in seconds that the packet takes to reac...

Page 617: ...ng table primary entries in the format n m where n is the current number of entries and m is the maximum number of primary entries Fields in the IPX Secondary Route Display Field Description Address Unique 4 byte network address of a segment in the system s routing table Age Number of seconds that have elapsed since the last time the router sent a packet Hops Number of hops or the number of router...

Page 618: ...ke precedence over dynamically learned routes to the same destination You can have a maximum of 32 static routes Options Prompt Description Possible Values Default IPX network address 4 byte IPX address of the interface The address must be unique within the network 0x1 0xfffffffe Hops Number of hops or number of routers that must be crossed to reach the network segment 1 15 1 Interface number Inte...

Page 619: ...oute static 619 IPX Static Route Example Select menu option ip route static Enter IPX address 0x1 0xfffffffe 0x44648f30 Enter Hops 1 15 1 Enter interface number 1 32 1 1 Enter node address 08 00 3e 21 14 78 ...

Page 620: ...ng table Valid Minimum Abbreviation ipx ro r Important Considerations The route is immediately deleted You are not prompted to confirm the deletion All servers that depend upon this route are removed from the server table including static servers Options Prompt Description Possible Values Default IPX network address 4 byte IPX network address 0x1 0xfffffffe ...

Page 621: ...g modules only Deletes all dynamically learned routes from the IPX routing table Valid Minimum Abbreviation ipx ro f Important Considerations All learned routes are immediately deleted You are not prompted to confirm the deletion All dynamic servers that depend on these routes are removed from the server table ...

Page 622: ... Service Advertising Protocol SAP to exchange server information automatically Make static entries in this server table The first line in the output the status line indicates whether IPX forwarding is enabled RIP is active SAP is active RIP Triggered updates are enabled SAP Triggered updates are enabled Secondary route server option is enabled For a CoreBuilder 3500 system the route table display ...

Page 623: ...empty string Up to 79 alphanumeric characters Field Description Age Number of seconds that have elapsed since the last time a server in the table sent a packet Hops Number of networks that must be crossed to reach the server The maximum number is 15 Interface Index number of the interface Name Name for the server that you define Network 4 byte IPX network address of the server Node 6 byte MAC addr...

Page 624: ...rvers take precedence over dynamically learned servers to the same destination You can have a maximum of 32 static servers Before you define static servers on the system first define at least one IPX interface See ipx interface define earlier in this chapter for more details Options Prompt Description Possible Values Default Interface index Interface index number for the server A selectable IPX in...

Page 625: ...c Server Example Enter Interface index 1 1 1 Enter service type 0x1 0xFFFF 0x4 Enter service name gb201 Enter IPX address 0x0 0xfffffffe 0x8c14a228 Enter socket 0x0 0xffff 0x8059 Enter node address 00 00 2e f3 56 02 Enter hops 0 15 2 ...

Page 626: ... Valid Minimum Abbreviation ipx ser r Important Consideration The server is immediately deleted You are not prompted to confirm the deletion Options Prompt Description Possible Values Default Service name Service name of the server A selectable service name for a list of selectable names Service type Number for the type of service that the server performs 0x1 0xffff ...

Page 627: ...oreBuilder 9000 Applies to Layer 3 switching modules only Deletes all dynamically learned servers from the server table Valid Minimum Abbreviation ipx ser f Important Consideration All learned servers are immediately deleted You are not prompted to confirm the deletion ...

Page 628: ...routing table primary entries in the format n m where n is the current number of entries and m is the maximum number of primary entries Fields in the IPX Secondary Server Display Field Description Age Number of seconds that have elapsed since the last time a server in the table sent a packet Hops Number of networks that must be crossed to reach the server The maximum number is 15 Interface Index n...

Page 629: ...x f Important Considerations When you enable IPX forwarding the system acts as a normal IPX router forwarding IPX packets from one network to another when required When you disable IPX forwarding the system discards all IPX packets Options Prompt Description Possible Values Default IPX forwarding state Whether the system forwards or discards IPX packets disabled enabled disabled factory default or...

Page 630: ...outing tables The system has three RIP modes Off The system processes no incoming RIP packets and generates no RIP packets of its own Passive The system processes all incoming RIP packets and responds to RIP requests but it does not broadcast periodic or triggered RIP updates Active The system processes all incoming RIP packets responds to explicit requests for routing information and broadcasts p...

Page 631: ...asts newly learned routes Valid Minimum Abbreviation ipx ri t Important Considerations The system has two RIP triggered modes Disabled Broadcasts IPX routes 3 seconds after learning them Enabled Broadcasts IPX routes immediately after learning them Options Prompt Description Possible Values Default Triggered update mode Mode that determines when IPX broadcasts newly learned routes disabled enabled...

Page 632: ...f the policy type is set to Import Type Import apply the policy to received routes or Export apply the policy to advertised routes Route One or more IPX network addresses where this policy applies Interface One or more IP interfaces on this router associated with the RIP policy Source 6 byte MAC address of the router that can forward packets to the network A source node address of all zeroes 00 00...

Page 633: ...e policy to received routes or Export apply the policy to advertised routes Import Export Import Route Origin Origin of the route to which this policy applies This parameter is valid only if the policy Type is set to Export Dir Static RIP All All Route address Route to which this policy applies 0x1 0fffffffe All All IP interfaces One or more IP interfaces on this router associated with the RIP pol...

Page 634: ...16 0 Enter the administrative weight 1 16 1 2 Metric adjustment Increase or decrease a route metric by a value that you specify Specify an integer and an operand to adjust the metric value This parameter is valid only if the Policy Action is set to Accept 0 16 add subtract multiply divide modulo remainder of integer division 0 does not change the metric Weight Metric value of this policy This para...

Page 635: ...he policy you want to modify 1 to view a list of selectable policies 1 if only one policy Route Origin Origin of the route to which this policy applies This parameter is valid only if the policy Type is set to Export Static RIP All All Route address IPX route to which this policy applies 0x1 0xfffffffe All All IP interfaces One or more IP interfaces on this router associated with the RIP policy On...

Page 636: ...strative weight 1 16 1 Metric adjustment Increase or decrease a route metric by a value that you specify Specify an integer and an operand to adjust the metric value This parameter is valid only if the Policy Action is set to Accept 0 16 add subtract multiply divide modulo remainder of integer division 0 does not change the metric Weight Metric value of this policy This parameter specifies the ord...

Page 637: ...ies to Layer 3 switching modules only Remove an existing RIP Routing Information Protocol policy Valid Minimum Abbreviation ipx ri p r Options Prompt Description Possible Values Default Policy Index number of the policy you want to remove 1 to view a list of selectable policies 1 if only one policy ...

Page 638: ...m has three SAP modes Off The system does not process any incoming SAP packets and does not generate any SAP packets of its own Passive The system processes all incoming SAP packets and responds to SAP requests but it does not broadcast periodic or triggered SAP updates Active The system processes all incoming SAP packets responds to explicit requests for routing information and broadcasts periodi...

Page 639: ...y learned SAP server addresses Valid Minimum Abbreviation ipx sa t Important Considerations The system has two SAP triggered modes Disabled Broadcasts IPX SAP server addresses 3 seconds after learning them Enabled Broadcasts IPX SAP server addresses immediately after learning them Options Prompt Description Possible Values Default Triggered update mode Setting for IPX SAP broadcast timing disabled...

Page 640: ... All This parameter is not applicable if the policy type is set to Import Type Policy type Import apply the policy to received services or Export apply the policy to advertised services Name Object name that assigned to the server Type Service type represented by a one digit number Refer to Novel documentation for a complete list of service types Network IPX network address for the server or All w...

Page 641: ...l policies Valid Minimum Abbreviation ipx sap p det Fields in an IPX SAP Policy Detail Display Field Description Idx Index number of the IPX SAP policy Interface Index number of the IP interface associated with this policy Weight Metric value of this policy This parameter specifies the order of precedence for policies that match the same service A higher value takes precedence over a lower value ...

Page 642: ... using specific numbers for the server advertising the service You enter a Novell service type when you define a SAP policy Some of the most common service types are For a complete list of Novell service types consult your Novell documentation Options 0x0004 File Server 0x0005 Job Server 0x0007 Print Server 0x0009 Archive Server 0x000A Job Queue 0x0047 Advertising Print Server 0x0098 NetWare Acces...

Page 643: ... to the network A node address of all zeroes 00 00 00 00 00 00 means that the route is connected directly to the router A node address in the format xx xx xx xx xx xx All All Interface Index Index number of the IP interface associated with this policy One or more interface numbers All to view a list of selectable interfaces All Policy action Whether this router accepts or rejects a service that ma...

Page 644: ...import Enter service origin static sap all all sap Enter the service type 0x1 0x1ffff all all 0x0004 Enter the server name all Enter the IPX address 0x0 0xfffffffe all all Enter the node address all Select interface index 2 all all Enter the policy action accept reject accept accept Enter the administrative weight 1 16 1 2 ...

Page 645: ...t service types using specific numbers for the server advertising the service You can change the Novell service type when you modify a SAP policy Some of the most common service types are For a complete list of Novell service types consult your Novell documentation Options 0x0004 File Server 0x0005 Job Server 0x0007 Print Server 0x0009 Archive Server 0x000A Job Queue 0x0047 Advertising Print Serve...

Page 646: ...the network A node address of all zeroes 00 00 00 00 00 00 means that the route is connected directly to the router A node address in the format xx xx xx xx xx x x All All Interface Index Index number of the IP interface associated with this policy One or more interface numbers All to view a list of selectable interfaces All Policy action Whether this router accepts or rejects a service that match...

Page 647: ... Enter service origin static sap all all sap Enter the service type 0x1 0x1ffff all all all Enter the server name all Enter the IPX address 0x0 0xfffffffe all all Enter the node address all Select interface index 2 all all Enter the policy action accept reject accept accept Enter the administrative weight 1 16 1 2 ...

Page 648: ... to Layer 3 switching modules only Remove an existing SAP Service Advertising Protocol policy Valid Minimum Abbreviation ipx sa p r Options Prompt Description Possible Values Default Policy Index number of the policy you want to remove 1 to view a list of selectable policies 1 if only one policy ...

Page 649: ...option for RIP Routing Information Protocol and SAP Service Advertising Protocol packets This option delays the updating of the RIP and SAP server information table Valid Minimum Abbreviation ipx i o Options Prompt Description Possible Values Default Output delay mode Whether you want to enable or disable the output delay option enable disable disable ...

Page 650: ...ary route server option is enabled Fields in the IPX Statistics Summary Display Field Description Forwarded Number of IPX packets that were forwarded Fwd Received Number of IPX packets that were received to be forwarded Fwd Transmitted Number of IPX forwarded packets that were successfully transmitted Host Delivers Number of IPX packets that were delivered to the IPX host s RIP and SAP application...

Page 651: ... Fields in the IPX RIP Statistics Display Field Description RIP Dropped Number of IPX RIP packets that have been dropped RIP Entries Number of routes in the routing table including local routes Routes Aged Number of times the system marked a route entry unreachable because it did not receive an update for that entry during the timeout period RIP Received Number of IPX RIP packets that have been re...

Page 652: ... IPX SAP packets that have been dropped SAP Entries Number of servers in the server table Servers Aged Number of times the system marked a server entry unreachable because it did not receive an update for that entry during the timeout period SAP GNS Requests Number of IPX SAP Get Nearest Service Requests that have been processed SAP GNS Responses Number of IPX SAP Get Nearest Service Responses tha...

Page 653: ...IPX packets that were forwarded Fwd Discards Number of IPX packets to be forwarded that could not be forwarded Fwd Received Number of IPX packets that were received to be forwarded Fwd Transmitted Number of IPX forwarded packets that were successfully transmitted Hdr Errors Number of IPX packets that were dropped due to IPX Network layer header errors Hop Count Errors Number of IPX packets that we...

Page 654: ...ed the transport control maximum NetBIOS Rx Number of IPX NetBIOS packets that were received NetBIOS Tx Number of IPX NetBIOS packets that were transmitted No Routes Number of IPX packets that were dropped because the IPX route is unknown Total Received Number of IPX packets that were received Tx Discards Number of IPX packets that were forwarded but not successfully transmitted Tx MTU Exceeded Nu...

Page 655: ...t control Host In Discards Number of IPX packets that were received for the IPX host s RIP and SAP applications that were dropped Host Rx Number of IPX packets that were received for the IPX host s RIP and SAP applications Host Tx Number of IPX packets that were transmitted from the IPX host s RIP and SAP applications Host Tx Discards Number of IPX packets from the IPX host s RIP and SAP applicati...

Page 656: ...ry during the timeout period Servers Aged Number of times the system marked a server entry unreachable because it did not receive an update for that entry during the timeout period Rip Metric Changed Number of times the metric changed on a route entry Sap Metric Changed Number of times the metric changed on a server entry Field Description ...

Page 657: ... Important Considerations This feature supports 10 MB switching modules only If you use this feature be careful to select only those interfaces that require odd length padding Enabling this feature for every interface slows network performance Options Prompt Description Possible Values Default Interface index Index number of the interface for which you want to set the oddLengthPadding state A sele...

Page 658: ...s 1 6 all 1 Interface 1 Enter state for NetBIOS packets disabled enabled enabled disabled Prompt Description Possible Values Default Interface index index number of the interface for which you want to set the NetBIOS forwarding state One or more selectable IPX interface indexes all for a list of selectable indexes 1 if only 1 IPX NetBIOS forwarding state State for NetBIOS forwarding for the specif...

Page 659: ...ted interface goes down or if the primary entry reaches its age limit For this option to have any effect you must establish alternate paths to the same IPX network or server After you enable the IPX secondary route server option you can display entries for any secondary routes or servers See ipx route secondary and ipx server secondary earlier in this chapter Options IPX Secondary Example Select m...

Page 660: ...660 CHAPTER 20 IPX ...

Page 661: ...interfaces Administering routes Administering the AARP cache Displaying the Zone Table Configuring forwarding Configuring checksum Enabling DDP Source Socket Verification Pinging an AppleTalk node Viewing AppleTalk statistics For more information about administering AppleTalk routing on your network see the Implementation Guide for your system For the CoreBuilder 9000 the commands in this chapter ...

Page 662: ...cklist at the beginning of each command description in this chapter for whether your system supports the command route menu display flush interface menu summary detail define modify remove statistics appletalk menu interface route aarp zone forwarding checksum SourceSocket ping statistics Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script log...

Page 663: ...y Display Field Description Address AppleTalk interface address which is based on the network range and the network node Example 20301 7 Index Index number of the AppleTalk interface Network range Range of numbers that are assigned to the interface Example 20301 20310 State Status of the AppleTalk interface which indicates whether the interface is available enabled or unavailable down VLAN index I...

Page 664: ...sed on the network range and the network node Example 20301 7 Index Index number of the AppleTalk interface Network Range Range of numbers that are assigned to the interface Example 20301 20310 Seed Whether the interface is configured as a seed y or non seed n interface State Status of the AppleTalk interface that is whether the interface is available enabled or unavailable down VLAN index Index n...

Page 665: ...r a seed router and then takes the zone and network range information from the first seed interface that it detects After a nonseed interface obtains this information it can participate in AppleTalk routing Before you define the AppleTalk interface you must define a VLAN and select AppleTalk as a protocol that the VLAN supports Clients that have not been configured to use a particular zone use the...

Page 666: ...ers Zone name AppleTalk zone that is associated with the interface You are prompted to enter up to 15 additional zone names Seed interfaces only Up to 32 ASCII characters q to quit specifying zone names VLAN interface index Index number of the VLAN that you want to associate with the AppleTalk interface Available valid VLAN index number for a list of available VLAN indexes Prompt Description Possi...

Page 667: ...his information includes the network range and zone name list Nonseed interface Listens for a seed router and then takes the zone and network range information from the first seed interface that it detects After a nonseed interface obtains this information it can participate in AppleTalk routing Before you define the AppleTalk interface you must define a VLAN and select AppleTalk as a protocol tha...

Page 668: ...pted to enter up to 15 additional zone names Seed interfaces only Up to 32 ASCII characters q to quit specifying zone names and move on to the VLAN interface index prompt Current value VLAN interface index Index number of the VLAN that you want to associate with the AppleTalk interface When the system prompts you for a VLAN interface index it indicates the available VLANs that you can associate wi...

Page 669: ...leTalk interfaces or all AppleTalk interfaces If only one AppleTalk interface exists on the system the interface is immediately removed after you enter this command The system prompts you to select an interface number only if more than one AppleTalk interface exists on the system Options Prompt Description Possible Values Default Interface Index number of one or more interfaces that you want to re...

Page 670: ... aarpInResp Number of AARP responses that have been received aarpOutProbes Number of AARP probes that have been sent aarpOutReqs Number of AARP requests that have been sent aarpOutResp Number of AARP responses that have been sent ddpForwRequests Total number of packets for which an attempt was made to forward them to their final destination ddpInChecksumErrors Number of DDP datagrams that were dro...

Page 671: ...ber of good RTMP data packets that have been sent rtmpRouteDeletes Number of times that RTMP has deleted a route that was aged out of the table zipAddressInvalids Number of times that this entity had to broadcast a ZIP GetNetInfo reply because the GetNetInfo request had an invalid address zipInErrors Number of ZIP packets that have been received and rejected for any error zipInExReplies Number of ...

Page 672: ...ocol RTMP automatically generates the routing table RTMP defines rules for Information that is contained within each routing table Exchanging information between routers so that the routers can maintain their routing tables Fields in the AppleTalk Route Display Field Description Distance Distance in hops to the destination network Interface Interface that is used to reach the destination network N...

Page 673: ... Layer 3 switching modules only Deletes all dynamically learned AppleTalk routes from the routing table Valid Minimum Abbreviation ap r f Important Consideration The system deletes all dynamically learned AppleTalk routes immediately after you enter the command You are not prompted to confirm the deletion ...

Page 674: ...alk Address Resolution Protocol AARP cache Valid Minimum Abbreviation ap a d Fields in the AppleTalk AARP Display Field Description AARP address AppleTalk protocol address Age secs Age of the ARP entry in seconds Interface Index number of the interface on which the address was learned MAC address Hardware address that corresponds to the AppleTalk address ...

Page 675: ... Applies to Layer 3 switching modules only Removes an AppleTalk Address Resolution Protocol AARP cache entry Valid Minimum Abbreviation ap a r Options Prompt Description Possible Values Default AARP address AARP address that you want to remove from the system s AARP cache Any valid AARP address ...

Page 676: ...o Layer 3 switching modules only Deletes all AppleTalk Address Resolution Protocol AARP entries from the system s AARP cache Valid Minimum Abbreviation ap a f Important Consideration The system deletes all AARP entries immediately after you enter the command You are not prompted to confirm the deletion ...

Page 677: ...ing modules only Displays the AppleTalk Zone table indexed by network numbers Valid Minimum Abbreviation ap z d n Important Considerations AppleTalk routers use the Zone Information Protocol ZIP to map network numbers to Zones Each AppleTalk router maintains a Zone Information Table ZIT which lists the zone to network mapping information ...

Page 678: ...g modules only Displays the AppleTalk Zone table indexed by zones Valid Minimum Abbreviation ap z d z Important Considerations AppleTalk routers use the Zone Information Protocol ZIP to map network numbers to Zones Each AppleTalk router maintains a Zone Information Table ZIT which lists the zone to network mapping information ...

Page 679: ...yer 3 switching modules only Enables and disables AppleTalk Data Delivery Protocol DDP forwarding Valid Minimum Abbreviation ap f Options Prompt Description Possible Values Default Forwarding state Whether to enable or disable AppleTalk forwarding enabled disabled disabled factory default or current value ...

Page 680: ...rification checksum from the incoming data and compares the new checksum with the value that is sent with the data If the values do not match the transmission contains an error Disabled is the preferred setting Enabling the checksum generation or verification significantly impacts the router s performance Options Prompt Description Possible Values Default Checksum generation state Whether to enabl...

Page 681: ...itching modules only Enables and disables AppleTalk Data Delivery Protocol DDP source socket verification Valid Minimum Abbreviation ap so Options Prompt Description Possible Values Default source Socket Whether to enable or disable source socket verification enabled disabled disabled factory default or current value ...

Page 682: ...plies to Layer 3 switching modules only Pings an AppleTalk node using the AppleTalk Echo Protocol AEP Valid Minimum Abbreviation ap p Options Prompt Description Possible Values Default Destination AARP address AppleTalk node that you want to test for network connectivity Valid AARP address ...

Page 683: ... forward them to their final destination inNoClients Number of DDP datagrams that were dropped for unknown DDP types inNoRoutes Number of DDP datagrams that were dropped for unknown routes inReceives Total number of packets that were received including those with errors inShortDdps Number of input DDP datagrams that were dropped because the system was not their final destination and their type was...

Page 684: ...ve been received and rejected due to a version mismatch outDatas Number of RTMP data packets that were sent outRequests Number of RTMP request packets that were sent routeDeletes Number of times that RTMP deleted a route that was aged out of the table routeEqChgs Number of times that RTMP changed the Next Internet Router in a routing entry because the hop count that was advertised in a routing tab...

Page 685: ... has been detected between this system s zone information and another entity s zone information inZoneInvs Number of times that this system has received a ZIP GetNetInfo reply with the zone invalid bit set because the corresponding GetNetInfo request had an invalid zone name inZoneLists Number of ZIP GetZoneLists requests packets that have been received outAddrInvs Number of times that this system...

Page 686: ...n ap s n Fields in the AppleTalk NBP Statistics Display Field Description inBcastReqs Number of NBP Broadcast Requests that have been received inErrors Number of NBP packets that have been received and rejected for any error inFwdReqs Number of NBP Forward Requests that have been received inLkupReplies Number of NBP Lookup Replies that have been received inLkupReqs Number of NBP Lookup Requests th...

Page 687: ...VII TRAFFIC POLICY Chapter 22 Quality of Service QoS and RSVP ...

Page 688: ......

Page 689: ... features in the following order 1 You first enter the command qos 2 to define how the system groups packets so that it can schedule them with the appropriate service level 3 You then enter the command qos control define to assign rate limits and priorities to the packets that are associated with one or more of your classifiers A classifier has no effect until you associate it with a control The s...

Page 690: ...h command description in this chapter for whether your system supports the command rsvp menu summary detail classifier menu summary detail define modify remove qos menu classifier control ldap rsvp bandwidth excessTagging statistics Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect bandwidth menu display modify excessTaggin...

Page 691: ... multicast or all Nonflow classifiers unicast multicast broadcast or all Classifier Number of the flow or nonflow classifier Flow classifiers in the range of 1 399 Note 20 and 23 are predefined Nonflow classifiers in the range of 400 498 Note 401 407 420 430 440 450 460 470 480 and 490 are predefined but you can modify or remove them Control Control number that you assign to the classifier Name Na...

Page 692: ...information One or more numbers of configured classifiers all for a list of selectable classifiers Field Description 802 1p For nonflow classifiers IEEE 802 1p tag value any combination of priority tag values in the range 0 7 Cast The Cast type for the classifier Flow classifiers unicast multicast or all Nonflow classifiers unicast multicast broadcast or all Classifier Number of the flow or nonflo...

Page 693: ... or UDP destination port range Source Port range flow classifiers only Beginning and end of the TCP or UDP source port range Classifier Installed Flows if flows exist Actual flows seen on the system with the following data Port Source IP address source port Destination IP address destination port Protocol type Number of flow cache misses Control Control number that you assign to the control Name N...

Page 694: ...ll 16 nonflow classifiers are in use by default The default classifier number is 499 You cannot remove or modify this default classifier However you can remove any of the predefined classifiers for example if you need another nonflow classifier See qos classifier remove later in this chapter for more information When you define a filter address and port pattern for a flow classifier select a sourc...

Page 695: ...haracters Use around any string with embedded spaces Use to enter an empty string for a list of selection criteria Cast type Cast type for the flow or nonflow classifier Flow classifiers unicast multicast or all Nonflow classifiers unicast multicast broadcast or all for a list of selectable cast types Protocol type IP or other protocol type if applicable that you want to associate with the flow or...

Page 696: ...nd of TCP or UDP source port range For flow classifiers only start and end of the TCP or UDP source port range The start value determines the end value 0 65535 start 2049 65535 end See QoS Classifier Define Example Flow Classifier 0 and 65535 factory defaults Start and end of TCP or UDP destination port range For flow classifiers only start and end of the TCP or UDP destination port range The star...

Page 697: ... 0 0 0 0 7 Enter the destination IP address 8 Enter the destination IP address mask 9 Enter the start of the TCP or UDP source port range in the range of from 0 through 65535 The default is 0 10 Enter the end of the TCP or UDP source port range using a value of up to 65535 Custom protocol hexidecimal value custom nonflow classifiers only Hex values for nonflow classifiers with the protocol custom ...

Page 698: ...t range in the range of from 0 through 65535 The default is 0 12 Enter the end of the TCP or UDP destination port range using a value of up to 65535 The end value must be greater than or equal to the start value 13 At the prompt specify whether you want any other filters address and port patterns with this classifier yes or no The default is no If you specify yes the system prompts you for additio...

Page 699: ... all all Enter source IP address 0 0 0 0 168 20 30 0 Enter source IP address mask 255 255 0 0 255 255 255 0 Enter destination IP address 0 0 0 0 192 1 0 0 Enter IP address mask 255 255 255 0 255 255 0 0 Enter start of UDP source port range 0 65535 0 0 Enter end of UDP source port range 0 65535 65535 65535 Enter start of UDP destination port range 0 65535 0 0 Enter end of UDP destination port range...

Page 700: ...sifier name a unique name of up to 32 characters long 3 Enter a cast type For a nonflow classifier the options are unicast multicast broadcast and all 4 Enter one or any protocols The options are TCP IP IP IPX Appletalk any or custom 5 If you choose custom enter the protocol type ethernet or DSAP SSAP For ethernet type enter the hexidecimal value For DSAP SSAP type enter the DSAP and SSAP hexideci...

Page 701: ...ow or nonflow classifier that you want to modify Existing classifiers are shown in braces Flow classifiers 1 399 except 20 and 23 which are predefined flow classifiers Nonflow classifiers 400 498 except 401 407 420 430 440 450 460 470 480 490 401 407 are predefined nonflow classifiers with applied controls for a list of selectable values Classifier name Name of the classifier that you want to modi...

Page 702: ...55 255 0 matches the first three portions of the specified IP address Up to four portions 255 255 255 255 0 0 0 0 factory default wildcard match or current value Destination IP address For flow classifiers only destination IP address Up to 255 255 255 255 0 0 0 0 factory default or current value Destination IP address mask For flow classifiers only destination IP address mask or how many portions ...

Page 703: ...rs address port patterns For flow classifiers only additional source destination and port information for this classifier Each set of information counts toward the classifier limit y yes n no no factory default Custom protocol type custom nonflow classifiers only For nonflow classifiers with the custom protocol type Ethertype DSAP SSAP Custom protocol hexidecimal value custom nonflow classifiers o...

Page 704: ... UDP port range in the range of from 0 through 65535 Limit the source port range as much as possible 10 Enter the new end of the TCP or UDP source port range in the range of from 0 through 65535 11 To modify the TCP or UDP destination port range enter the new start of the TCP or UDP port range in the range of from 0 through 65535 12 Enter the new end of the TCP or UDP destination port range in the...

Page 705: ...s using a value in the range of 0 through 7 or enter all QoS Classifier Modify Example Flow Classifier Select menu option qos classifier modify Enter classifier number 20 23 26 401 407 420 430 440 450 460 470 480 490 26 Enter classifier name IPFilter1 Select cast type unicast multicast all unicast multicast Select IP protocol type TCP UDP all TCP UDP Enter source IP address 168 20 30 0 Enter sourc...

Page 706: ...move the classifier See qos control remove later in this chapter for more information When you enter the command specify the number that represents the classifier that you want to remove or specify to view the selectable classifiers Options QoS Classifier Remove Example 3500 Select menu option qos classifier remove Enter classifier number 20 23 26 401 407 420 430 440 450 460 470 480 490 26 Prompt ...

Page 707: ...assifiers controlled Classifiers that this control affects Control number Number of the control Control name Name of the control Excess loss eligible For receivePort or aggregate rate limit types whether excess packets are loss eligible Excess service For receivePort or aggregate rate limit types the service level for excess packets Loss eligible Whether conforming packets are loss eligible If a p...

Page 708: ...nflow classifiers Burst Burst size in KBytes Classifiers controlled Classifiers that this control affects Control number Number of the control Control name Name that you assign to the control End time Control end time Excess loss eligible For receivePort or aggregate rate limit types whether excess packets are loss eligible Excess service For receivePort or aggregate rate limit type service level ...

Page 709: ... source port range Start time Control start time TCP drop control Whether TCP drop control filtering is enabled Time control type Time control type specific daily weekdays and so forth Type Rate limit type none no rate limit receivePort or aggregate Field Description ...

Page 710: ...or groups of ports or individual ports The aggregate rate limit type can only be applied to flow classifiers Loss eligible packets are conforming packets that are discarded instead of queued when transmit queues back up beyond a threshold You can specify whether conforming packets as well as nonconforming excess packets are loss eligible when you define the control Marking packets loss eligible is...

Page 711: ...onforming packets a transmit priority that corresponds to a transmit queue Drop causes the system to drop all traffic on all ports that are associated with the classifier and control For rate limit receivePort or aggregate high best best effort or low For a rate limit of none high best low or drop best factory default Loss eligible Whether conforming packets are loss eligible A loss eligible packe...

Page 712: ...ou specify a subset of ports you can specify multiple rate limit values On the CoreBuilder 9000 the list of ports includes the front panel ports and any enabled backplane ports Any subset of selectable ports all for a list of selectable ports Selectable ports 802 1p tag IEEE 802 1p priority tag value to apply to forwarded frames for both flow and nonflow classifiers 0 7 none for a list of selectab...

Page 713: ... dayoftheweek everydayofthe week weekdays weekends everyweekdays everyweekends specific Classifiers to be controlled Classifiers for this control to affect See qos control summary for a list of defined classifiers that are associated with controls Selectable classifiers that is those not already associated with a control Prompt Description Possible Values Default ...

Page 714: ...ting day and time Day of the week Starting day Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Sunday 7 Starting time hh mm Ending day Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Sunday 7 Ending time hh mm The Ending day and time cannot exceed 24 hours from the Starting day and time Every day of the week Starting day Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday ...

Page 715: ...high best low or drop The default is best best effort If you use drop the system drops all traffic on all ports for the classifier that is associated with the control Ping packets are ICMP not UDP TCP so they are not dropped 5 Specify whether the conforming packets are loss eligible yes or no The default is no 6 If you have selected receivePort or aggregate for the rate limit type you are prompted...

Page 716: ...f bridge ports If you specify yes you are prompted to enter another rate limit and burst size for another set of ports This sequence of prompting continues until you specify n meaning that you do not want to define another rate limit for another set of ports If the receive port is the anchor port for a trunk the rate limit applies to each port that is associated with the trunk For example a rate l...

Page 717: ...control define Enter control number 5 50 5 Enter control name definetest Enter rate limit type none receivePort aggregate none Enter service for conforming packets high best low drop best Are conforming packets loss eligible yes no no Select IEEE 802 1p tag to apply to forwarded frames Tag 0 7 none none Drop packets used to establish a TCP connection yes no no Set start and end time for the contro...

Page 718: ... rate limit type of receivePort or aggregate with multiple rate limits you can now change one rate limit without affecting the other defined rate limits Options Prompt Description Possible Values Default Control number Number of the control that you want to modify Existing control numbers appear in braces Control numbers 1 4 are predefined 5 50 No default but the next sequential number is automati...

Page 719: ... conforming packets are loss eligible A loss eligible packet can be dropped if the transmit queue for which it is destined exceeds its threshold y yes n no Current value Excess packets service For receivePort or aggregate rate limit types service level for excess packet high best low drop Current value Excess loss eligible For receivePort or aggregate rate limit types whether excess packets are lo...

Page 720: ...f selectable values Current value TCP drop control enabled flow classifiers only Whether one way filtering is used so that drop packets establish a TCP connection y yes n no n Start and end times Whether you want to set starting and ending times for a control y yes n no n Input time type Type of time control that you want to establish See Table 7 for a complete listing of input time type options s...

Page 721: ...s or no 6 If you have selected receivePort or aggregate for the rate limit type you are prompted for the following information a Enter the service level for excess packets high best low or drop b Specify whether excess packets are loss eligible yes or no Your current value is the default c Specify whether you want to modify the existing rate limits yes or no If you enter no the system maintains th...

Page 722: ...sociated with your rate limit 7 Select an IEEE 802 1p tag value in the range of from 0 through 7 or the value none to apply to forwarded frames 8 Specify whether drop packets are used to establish a TCP connection yes no The default is no 9 Set the start and end time for the control yes no The default is no a If you specified a start and end time enter the time type Time type selections are variat...

Page 723: ...n KBytes sec 0 65434 2048 Enter burst size in KBytes 16 8192 181 Select bridge ports 1 13 all 1 13 Select IEEE 802 1p tag to apply to forwarded frames Enter IEEE 802 1p tag 0 7 none none Drop packets used to establish a TCP connection yes no no Do you want to modify add the start and end time for the control yes no no y Do you want to have any time control yes no no y Enter input time type specifi...

Page 724: ...n When you remove a control the associated classifiers are no longer controlled and no longer have a set rate limit service level or 802 1p tag Options QoS Control Remove Example 9000 Layer 3 CB9000 slot2 1 12 E FEN TX L3 qos control remove Enter control number 2 5 5 Prompt Description Possible Values Default Control number Number for the control that you want to remove One or more selectable cont...

Page 725: ...inimum Abbreviation q l disp Important Considerations When LDAP is enabled displays server IP address and polling period When LDAP is disabled displays QOS Resource Reservation Protocol RSVP and LDAP status Fields in the QoS LDAP Display Field Description LDAP server address The IP address of the LDAP server Poll period Selected poll period ...

Page 726: ...ters in an ldif file Parameter changes for a specific group may affect more than one system If you know that a change will affect more than one system disable LDAP to test the change After you are sure you want the change you can then enable LDAP Options Prompt Description Possible Values Default Enable Connects your system to the LDAP server Disabled Poll period 600 2000 LDAP server address The I...

Page 727: ...cated on the Lightweight Directory Access Protocol LDAP server Valid Minimum Abbreviation q l disa Important Considerations By default LDAP is disabled If LDAP is disabled you do not receive automatic updates Options Prompt Description Possible Values Default Disabled Removes the connection to the LDAP server Disabled ...

Page 728: ...s eligible Excess service Service level for excess policed traffic best or low Per resv bandwidth Largest reservation that RSVP attempts to install Policing option When to drop excess packets Edge policing causes excess packets to be dropped only at the edge that is when the traffic has not yet passed through any network device that has already performed policing for that flow Options are edge alw...

Page 729: ...ption When to drop excess packets Edge policing causes excess packets to be dropped only at the edge that is when the traffic has not yet passed through any network device that has already performed policing for that flow Session Session numbers destination IP addresses and ports protocols number of senders receivers and RSVP reservations Session receiver and session reservation Port numbers an RS...

Page 730: ...bandwidth Admission control policy RSVP begins to refuse reservations when the requested bandwidth on an output link exceeds the total reservable bandwidth 0 200 percent 50 factory default Maximum per reservation bandwidth Largest reservation that RSVP attempts to install 0 100 percent 50 factory default Policing option When to drop excess packets Edge policing drops excess packets only at the edg...

Page 731: ...e as the default 4 Enter the service level for excess policed traffic best or low with low as the default 5 Specify whether excess packets are loss eligible yes or no with no as the default Service level for excess policed traffic Service level for excess policed traffic Low is recommended This setting applies to the excess traffic with the reserved bandwidth that is which queue it should be place...

Page 732: ... 3900 9300 qos rsvp disable For CoreBuilder 9000 Applies to Layer 3 switching modules only Disables RSVP on the system Valid Minimum Abbreviation q r di Important Considerations By default RSVP is disabled This command does not verify that RSVP has been disabled ...

Page 733: ...he link bandwidth as the ratio of bandwidth that is allocated to high priority traffic versus best effort traffic Link bandwidth is the total link bandwidth less the bandwidth that RSVP and network control traffic use Valid Minimum Abbreviation q b d Important Consideration By default 75 percent of bandwidth is allocated to high priority traffic ...

Page 734: ... command the system prompts you to enter the percentage of bandwidth to use for high priority traffic on the output link The value 75 specifies that three high priority packets are transmitted for each best effort packet The value 50 sets equal priority for high priority and best effort packets The value 100 is strict prioritization it allows best effort packets to be sent only when no high priori...

Page 735: ...agging 3500 9000 9400 3900 9300 display For CoreBuilder 9000 Applies to Layer 3 switching modules only Displays status information about whether excess packets are tagged with a special IEEE 802 1p tag value Valid Minimum Abbreviation q e disp ...

Page 736: ...rked as excess that you want to tag Valid Minimum Abbreviation q e e Important Considerations Excess tagging is disabled by default When you enter this command you are prompted to enter an IEEE 802 1p tag value for excess packets in the range of 0 through 7 with 0 as the default For example if you specify 1 excess packets become background traffic Options Prompt Description Possible Values Default...

Page 737: ...00 9400 3900 9300 disable For CoreBuilder 9000 Applies to Layer 3 switching modules only Disables the tagging of excess packets with a special 802 1p tag value Valid Minimum Abbreviation q e disa Important Consideration Excess tagging is disabled by default ...

Page 738: ...Considerations The default interval is 5 seconds When you enter this command the system prompts you to enter the appropriate interval The existing value appears in brackets A nonzero value shows the byte or packet count per interval period A zero value shows byte or packet counters Options Prompt Description Possible Values Default Interval Interval in seconds during which you want to gather QoS s...

Page 739: ...ports includes the front panel ports and any enabled backplane ports One or more port numbers all for a list of selectable ports Field Description droppedPackets Number of packets that were dropped when they were received droppedPacketsPeak Highest number of packets that were dropped on receipt up to this point flowExcess Number of flow classifier bytes that are excess flowExcessPeak Highest numbe...

Page 740: ...ow classifier bytes that have been received nonFlowResvPeak Peak count The highest number of conforming nonflow classifier bytes that have been received up to this point port If you display statistics for multiple ports the port number that is associated with the statistics Field Description ...

Page 741: ...hold the packet is sent and counted as a highLossSent packet If the transmit queue is over its threshold it is dropped and counted as a highLossDropped packet If you do not mark a packet as loss eligible it falls into one of the three lowLoss statistics If the queue is not over the threshold it is counted as a lowLossSent If the queue is over its threshold it is counted as lowLossDelayed If the qu...

Page 742: ... loss eligible packets that were discarded and were over the threshold highLossSent Number of loss eligible packets that were sent and were under the threshold at low latency highlossSentPeak Current highest count of loss eligible packets that were sent and were under the threshold lowLossDelayed Number of non loss eligible packets that were sent and over the threshold that is the transmit queues ...

Page 743: ...LossSentPeak Current highest count of non loss eligible packets that were sent and were under the threshold port Port number that is associated with the statistics queue Queue that is associated with the statistics Field Description ...

Page 744: ...744 CHAPTER 22 QUALITY OF SERVICE QOS AND RSVP ...

Page 745: ...VIII MONITORING Chapter 23 Event Log Chapter 24 Roving Analysis ...

Page 746: ......

Page 747: ...sole The log messages display real time information about the state of the system or a specific service and can help you diagnose site specific problems On CoreBuilder 9000 systems event logging is controlled entirely through the Enterprise Management Engine EME not through the Administration Consoles of individual modules as described here See the CoreBuilder 9000 Enterprise Management Engine Use...

Page 748: ...re configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command log menu display devices services Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect ...

Page 749: ...le output device You can enable or disable the Console to display event log messages for each severity level Logging message Whether logging to this console session is enabled or disabled Supported Event Log Services AppleTalk Appletalk log service Enabled or disabled for each severity level IPX IPX log service Enabled or disabled for each severity level System System log service Enabled or disabl...

Page 750: ...ple warning config Options Log Devices Examples 3500 Prompt Description Possible Values Default Levels for console Event logging severity level for console output error warning config info all for a list of valid severity levels Selected levels Whether selected event logging for console output is enabled or disabled y yes n no y Select menu option log devices Select levels for console error warnin...

Page 751: ...s The display now indicates that the error and warning severity levels remain enabled and the config and info levels are disabled Select menu option log devices Select levels for console error warning config info all config info Enable the selected levels n y y n ...

Page 752: ...ity levels Use a comma to separate multiple service names and severity levels for example system appletalk and error warning Options Prompt Description Possible Values Default Services Services to configure system ipx appletalk all for a list of valid services to configure Levels Severity levels to enable error warning config info all for a list of valid severity levels to enable Selected services...

Page 753: ...he selected services levels n y y y To show that all severity levels are enabled for the AppleTalk service enter log display To disable the warning and info severity levels for the AppleTalk service follow this example To show that the AppleTalk service is associated with only the error and config severity levels enter log display Select menu option log services Select services system ipx appletal...

Page 754: ...754 CHAPTER 23 EVENT LOG ...

Page 755: ...attached through which you can watch the network traffic Use roving analysis to monitor Fast Ethernet Gigabit Ethernet or Fiber Distributed Data Interface FDDI port traffic for network management and troubleshooting purposes You use the Administration Console to choose any network segment that is attached to a system and monitor its activity You can monitor a designated roving analysis port to Ana...

Page 756: ... configured for your system The following diagram shows the complete list of commands for all systems See the checklist at the beginning of each command description in this chapter for whether your system supports the command analyzer menu display add remove start stop Top Level Menu system module management ethernet fddi bridge ip ipx appletalk qos snmp analyzer log script logout disconnect ...

Page 757: ...n the switch Port Analyzer port number Type Media type and Port Speed FDDI Fast Ethernet or Gigabit Ethernet Address MAC address of the analyzer port Ports being monitored List of ports that the system is monitoring Includes the MAC address of the analyzer port to which the monitored port traffic will be forwarded Port Monitored port number Type Media type and Port Speed FDDI Fast Ethernet or Giga...

Page 758: ...r port remains fixed If you replace the module with the analyzer port with a module of a different media type the roving analysis port RAP configuration for that port is cleared When you configure a port that is part of a virtual LAN VLAN as an analyzer port a warning is displayed because adding the port removes the port from all VLANs When the port is restored when you remove the analyzer port it...

Page 759: ...port 1 9 9 Warning Port being removed from Vlan Default Analyzer port address is 00 20 9c 0d e1 2a Prompt Description Possible Values Default Bridge port Number of the bridge port to which you want to attach the analyzer n varies by platform Only valid port number choices are displayed 1 n for a list of available bridge ports ...

Page 760: ...or ports The port becomes a member of the default virtual LAN VLAN when it is restored when you remove it as an analyzer port The port will not be automatically restored to any VLAN it might have been a member of before it was configured as an analyzer port you must do this yourself Options Analyzer Remove Example 3500 Select menu option analyzer remove Select bridge port 2 7 7 Prompt Description ...

Page 761: ...e media type of the port being monitored Fast Ethernet and Gigabit Ethernet are the same media type You can use a Fast Ethernet 10 Mbps port to monitor a Gigabit Ethernet 100 Mbps port but a warning message will be printed If the sustained traffic load is greater than 10 Mbps the analyzer on the slower port may not see all the frames on the faster port When you successfully configure a bridge port...

Page 762: ...8 10 12 1 Enter the target analyzer port address 00 20 9c 0d e1 2a Prompt Description Possible Values Default Bridge port Number of the bridge port to be monitored n varies by platform 1 n for a list of available bridge ports Target analyzer port address MAC address of the port to which the analyzer is attached A valid MAC address of an analyzer port ...

Page 763: ... copied and forwarded to the selected analyzer port from the port that you specify See analyzer start earlier in this chapter for details Options Analyzer Stop Example 3500 Select menu option analyzer stop Select bridge port 3 4 3 Prompt Description Possible Values Default Bridge port Number of the bridge port that is being monitored n varies by platform 1 n for a list of available bridge ports ...

Page 764: ...764 CHAPTER 24 ROVING ANALYSIS ...

Page 765: ...IX REFERENCE Appendix A Technical Support ...

Page 766: ......

Page 767: ...3Com FactsSM Automated Fax Service World Wide Web Site To access the latest networking information on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online support information such as technical documentation and software as well as support options that range from technical education to maintenance and professiona...

Page 768: ...roducts This service is available through analog modem or digital modem ISDN 24 hours a day 7 days a week Access by Analog Modem To reach the service by modem set your modem to 8 data bits no parity and 1 stop bit Call the telephone number nearest you Country Data Rate Telephone Number Australia Up to 14 400 bps 61 2 9955 2073 Brazil Up to 28 800 bps 55 11 5181 9666 France Up to 14 400 bps 33 1 69...

Page 769: ...e qualified to provide a variety of services including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent ...

Page 770: ...61 00137 or 021 6350 1590 800 6161 463 00798 611 2230 0 2 3455 6455 0080 611 261 001 800 611 2000 Europe From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6029999 fax Europe South Africa and Middle East From the following countries you may use the toll free numbers Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy 0800 297468 0800 71429 800 17309 0800 113153 0800...

Page 771: ...9900 31 30 6029999 Latin America 1 408 326 2927 1 408 326 3355 From the following countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 00800 12813 1800...

Page 772: ...772 APPENDIX A TECHNICAL SUPPORT ...

Page 773: ...710 712 for flow classifiers 715 aggregated links 299 aging time 258 allClosed mode for VLANs and Ignore STP mode 365 displaying 338 selecting 364 allOpen mode for VLANs displaying 338 selecting 364 analyzer port MAC address 758 anchor ports rate limits affecting 716 trunking 313 AppleTalk AARP AppleTalk Address Resolution Protocol 674 to 676 AEP AppleTalk Echo Protocol 682 checksums 680 DDP stati...

Page 774: ...on 692 displaying summary information 691 guidelines for using 689 modifying 701 parameters for defining 695 718 predefined flow and nonflow 691 removing 706 specifying address port patterns 696 701 703 specifying IP addresses 695 702 command strings entering abbreviated 41 entering values 41 quick 34 commands 150 system menu for baselining statistics 90 for managing NV data 108 community strings ...

Page 775: ...x mode Ethernet ports 212 213 DVMRP Distance Vector Multicast Routing Protocol 507 dynamic versus static VLAN origin 345 352 E edge policing option 725 728 editor for scripts EMACS 124 vi 124 EME Enterprise Management Engine console 30 overview 33 enabled RIP mode 451 453 enabling excess packet tagging 736 RSVP 730 enabling and disabling Ethernet ports 220 errors routing interface 406 Ethernet add...

Page 776: ... displaying status 338 using 345 352 H hardware revision numbers 69 high service level 711 hop count 442 I ICMP statistics 187 483 ID VLAN 341 IEEE 802 1p priority tagging for excess packets 735 736 for nonflow classifiers 697 703 705 for QoS controls 712 IEEE 802 1Q tagging 349 IGMP Internet Group Management Protocol query mode 524 525 snooping mode 524 525 IGMP snooping Layer 2 devices 270 IGMP ...

Page 777: ...outes defining static 618 flushing learned routes 621 removing 620 SAP Service Advertisement Protocol mode statistics 652 triggered updates 639 SAP mode 638 SAP policy define 642 detail 641 modify 645 remove 648 summary 640 static servers 622 624 K KBytes sec rate limit 712 L labels Ethernet ports 219 LANs virtual 337 Layer 2 devices defining VLANs 352 modifying VLANs 360 Layer 3 addresses for VLA...

Page 778: ...ng table 167 masks source and destination IP address 695 702 subnet 395 maximum per reservation bandwidth 730 maximum total reservable bandwidth 730 memory partition OSPF 569 570 memory size 69 menu structure 150 menus and command strings 40 entering abbreviated command strings 41 entering values 41 navigating 42 selecting options 40 MIBs 768 MLAN channel 31 mode operating defining for Ethernet tr...

Page 779: ... interface 459 percentage rate limit 712 per reservation bandwidth 725 728 ping 177 advanced ping example 181 example 178 ping command possible responses 473 pings AppleTalk 682 policing options RSVP 725 728 policy IPX RIP define 633 modify 635 summary 632 637 IPX SAP define 642 detail 641 modify 645 remove 648 summary 640 policy based services 689 port label 241 port group adding ports 391 port n...

Page 780: ...e of modifying 722 modifying 718 721 removing 724 service levels 711 specifying rate limits 710 712 715 QoS Quality of Service excess packet tagging disabling 737 displaying 735 enabling 736 QoS Quality of Service statistics interval 738 receive 739 transmit 741 quiet advancedPing option 475 R rate limits QoS control 710 712 715 modifying one or more 718 using with trunks 716 reboots trunks and 30...

Page 781: ...PX 624 displaying static IPX 622 table for 622 service levels conforming packets 711 default 715 RSVP 728 730 services for event logging 752 Simple Network Time Protocol SNTP 116 to 122 size burst 712 SMT Station Management lerAlarm value 242 lerCutoff value 243 snapshot feature 86 sniffer 755 SNMP Simple Network Management Protocol agent 189 community strings 192 display 189 displaying configurat...

Page 782: ...tem sntp modify 118 system sntp pollInterval 121 system sntp remove 119 system sntp state 120 system sntp timezone 104 106 121 system sntp tolerance 122 system up time 69 T T_Opr 232 tagging VLAN defining 345 352 displaying 341 modifying 355 360 specifying 347 352 tags priority for controls 712 for excess packets 736 for nonflow classifiers 697 703 705 TCMP Trunk Control Message Protocol displayin...

Page 783: ... 124 VID VLAN ID 341 range 347 352 virtual links OSPF 574 to 589 VLAN interface 356 VLAN interface index 356 360 specifying for Ignore STP mode 365 used to delete VLANs 363 VLANs bridge VLAN commands modify 316 VLANs virtual LANs 337 defining for Layer 2 devices 352 defining for Layer 3 devices 345 detail information and statistics 341 displaying summary information 338 errors 406 interface index ...

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