3Com 4007 Release Note Download Page 121 | Manualshive

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9

R

EFERENCE

This chapter contains the following topics:

■

MIB Files

■

Entering Commands

■

Year 2000 Compliance

MIB Files

The organization of a Management Information Base (MIB) allows a
Simple Network Management Protocol (SNMP) network management
application to manage a network device without having a specific
description of that device. The Switch 4007 Management Module (EME)
supports the following MIBs in software Release 3.0.x:

■

MIB2-MIB.mib

— MIB-II MIB, RFC 1213.

Unsupported group in this MIB: egp group

■

IF-MIB-V1SMI.mib

— IF MIB Version 1, RFC 1573.

Unsupported tables in this MIB:

■

ifTestTable

■

ifRcvAddressTable

■

ifHC 64-bit counters

■

ENTITY-MIB.mib

— Entity MIB, RFC 2037.

Unsupported table and groups in this MIB:

■

entAliasMappingTable

■

entity General group

■

entity Notifications group

■

cb9000.mib

■

cb9eme.mib

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Summary of Contents for 4007

Page 1: ...tch 4007 Release Notes Management Module Release 3 0 5 Layer 2 Switch Fabric Modules Release 3 0 5 Layer 2 Switching Modules Release 3 0 5 Multilayer Switching Modules Releases 3 0 5 Part No 10013820...

Page 2: ...States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and de...

Page 3: ...18 How Advanced Autonegotiation Works 18 Configuration Options 19 Configuring Standard Autonegotiation 19 Configuring a Fixed Port State 19 Configuring Advanced Autonegotiation or Port Monitoring 19 S...

Page 4: ...em Time 31 Software Downloads 31 4 RELEASE ISSUES FOR SWITCH FABRIC MODULES Corrected Problems in Release 3 0 0 34 System 34 Ethernet 34 Bridging 34 VLAN 34 Corrected Problems in Release 3 0 5 35 Brid...

Page 5: ...ems in Release 3 0 0 48 System 48 Management 48 Ethernet 48 Bridging 48 VLANs 49 Corrected Problems in Release 3 0 5 49 Bridging 49 Management 50 NVRAM 51 Problems Fixed in v3 0 5 Address Table 51 Pro...

Page 6: ...Analysis 66 Web Console 66 Ethernet 66 4 port Gigabit Ethernet Layer 3 Switching Module GBIC 67 Corrected Problems in Release 3 0 5 67 QoS 67 RMON 67 RMON 2 Network Management Applications 67 IP Polic...

Page 7: ...Receive Ports on GBIC Modules 79 Web based Management 79 VLANs 79 4 port GBIC Multilayer Switching Module 3CB9RG4 80 Known Problems in Release 3 0 5 80 System 80 SNMP 80 Ethernet 81 Bridging 81 Trunk...

Page 8: ...e Releases on an Existing System 96 Verifying Software Releases on a New System and Modules 98 How to Obtain the Latest Software 100 Where to Place the Software 100 Terminology for the EME Module 101...

Page 9: ...1 119 9 REFERENCE MIB Files 121 Entering Commands 122 Year 2000 Compliance 122 10 TECHNICAL SUPPORT Online Technical Services 123 World Wide Web Site 123 3Com Knowledgebase Web Services 123 3Com FTP...

Page 10: ......

Page 11: ...ic 3CB9FG9 3 0 5 fg930005 all 24 port Gigabit Ethernet Layer 2 Switching Fabric 3CB9FG24T 3 0 5 fga24t30005 all 4 port Gigabit Ethernet Interface Module 3CB9LG4 3 0 5 Not applicable module passes traf...

Page 12: ...ease Although the heritage of the Switch 4007 product line is the CoreBuilder 9000 product line these Switch 4007 release notes do not cover all aspects that apply to the CoreBuilder 9000 These releas...

Page 13: ...that you do not use the Setup Wizard until an updated version is available from the 3Com Web site CAUTION To run the Transcend Network Supervisor application for managing and monitoring Switch 4007 a...

Page 14: ...e System Requirements Each Switch 4007 chassis has these minimum system requirements One power supply To increase device and network availability you can optionally install a second power supply One f...

Page 15: ...Table 2 The remaining sections in this chapter provide descriptions of the features Table 2 New Features on Switch 4007 Modules Layer 2 Switching Modules Layer 2 Switch Fabric Modules Multilayer Swit...

Page 16: ...e agingOnly option selected whenever a module detects that one of its links has gone down the aging interval temporarily changes to the value that you set in the bridge spanningTree stpForwardDelay op...

Page 17: ...lease 3 0 5 if you did not have STP enabled a Layer 2 module would not flush MAC addresses upon a link down event It would only age addresses according to the value set in bridge agingTime This situat...

Page 18: ...ection where port A has standard autonegotiation enabled but port B does not and instead is fixed at 100 Mbps and full duplex mode The auto detection process in standard autonegotiation allows port A...

Page 19: ...fixed speed and duplex mode autonegotiation is disabled Configuring Standard Autonegotiation To enable or disable standard autonegotiation at the CLI prompt enter ethernet autoNegotiation Then select...

Page 20: ...ecification The system monitors specified ports for errors and sends alerts through traps and console messages If the remote port is fixed in full duplex mode or uses a non compliant version of autone...

Page 21: ...s the port Configuration E Autonegotiation does not occur because it is not enabled or does not exist 100 FX Thus for 10 100 TX ports the port speed and duplex mode are fixed in some combination of 10...

Page 22: ...detail displays MonitorErrors Indicates the number of times that the port has transitioned into the partitioned state Important Considerations The initial time period in which a port is partitioned d...

Page 23: ...nto nonvolatile memory Thus this setting does not survive a system reset or reboot LX 70 GBIC Transceiver Software Release 3 0 5 provides support for the Long Haul 70km GBIC Transceiver Model Number 3...

Page 24: ...of topology change traps which are sent by a bridge when one of its ports moves from the Learning State to the Forwarding state or from the Forwarding state to the Blocking state The trap is not sent...

Page 25: ...generation of topology change traps authentication enable disable Enables or disables the generation of authentication traps receive enable disable As a trap receiver the EME receives traps from othe...

Page 26: ...ap destinations show snmp trap Displays the status of the trap receive setting and link state topology change and authentication trap filters Displays an index of trap destinations extensions clear sn...

Page 27: ...nagement Engine EME In these release notes the Switch 4007 Management Module is referred to as the EME for brevity Although the heritage of the Switch 4007 is the CoreBuilder 9000 these Switch 4007 re...

Page 28: ...odule The supported file types appear after the module comes up After you reset the chassis and during the system start up procedures the system may display the following message os socket err You can...

Page 29: ...h the active EMC The active EMC is indicated by the module with the illuminated Active LED Software Transfers Do not attempt to perform any management tasks while you are downloading software While yo...

Page 30: ...dule name 3Com recommends that you not use spaces for the module name Web Management You need to click some security windows in the Web Management interface twice for the browser to accept the informa...

Page 31: ...defined time zone setting set clock time_zone 28 Input_an_offset_from_GMT command You can set a user defined time zone with a GMT offset through the WebConsole 29853 Software Downloads When downloadin...

Page 32: ...32 CHAPTER 3 RELEASE ISSUES FOR MANAGEMENT MODULES...

Page 33: ...interface prompts and displays indicate this heritage Examples tables or figures in the Switch 4007 documentation may also indicate this heritage Although the heritage of the Switch 4007 is the CoreBu...

Page 34: ...odule nvData reset command module insertion warm reset service diagnostics and so forth or a backplane port is disabled and then reenabled the links to the switch fabric module are now reestablished a...

Page 35: ...s situation can cause VLAN assignment problems when endstations are frequently plugged and unplugged into ports on the module and the Transcend Enterprise VLAN Manager EVM application is used on the n...

Page 36: ...st v3 0 5 code these requests will time out at times and not return all MAC addresses requested The Transcend Address Tracker application exacerbates this condition and causes traffic to slowdown whic...

Page 37: ...TCMP processing however the return of MAC addresses upon query in these configurations is slow Recommendations Follow the guidelines listed below for disabling background processes of Transcend Addres...

Page 38: ...00 CoreBuilder 9400 CoreBuilder 3500 SuperStack II Switch 9300 and SuperStack II Switch 3900 all running 3 0 0 software If you are not using the Enterprise VLAN Manager and Address Tracker application...

Page 39: ...any reason or start NNM with the ovstart command the Enterprise VLAN Manager background daemons are invoked automatically Please use the tncs_diagnostics sh script after you restart NNM so that you c...

Page 40: ...tservice daemon Enterprise VLAN Manager background daemons are invoked automatically Please use the tncs_diagnostics sh script after you restart NNM so that you can stop the VLAN Manager daemons once...

Page 41: ...the name and no quotation marks are required However when you create a module name that contains spaces then you must use quotation marks around the module name 3Com recommends that you not use spaces...

Page 42: ...ecific address use the bridge port address find command The bridge port address count which is the count of the actual number of addresses in the address table may not match the bridge port address li...

Page 43: ...ric modules for ports that are connected to GEN interface modules However if a resilient link on a switch fabric module is connected to a GEN interface module and you replace that module with a Fast E...

Page 44: ...m one menu prompt at a time The reset chassis command does not work if EME diagnostics are disabled As a guideline do not leave EME diagnostics disabled 30097 Management Do not install GEN interface m...

Page 45: ...h the ethernet portState disable command and later re enable that port the bridge state for the port remains down The system does not forward network traffic on that port You must reset the switch fab...

Page 46: ...other links are in the Down state To avoid this problem either populate the slot before you insert the module or enable all backplane links in that slot that are in the Down state 30041 VLANs When def...

Page 47: ...itage Examples tables or figures in the Switch 4007 documentation may also indicate this heritage Although the heritage of the Switch 4007 is the CoreBuilder 9000 these Switch 4007 release notes do no...

Page 48: ...s 27365 27362 and 29195 Current autonegotiation status is now correctly reflected the first time that you view the Ethernet summary and detail displays 27864 Whenever a non switch fabric module is res...

Page 49: ...ly after a link down event you can now enable the agingOnly option from the bridge spanningTree stpState menu This option does not enable the Spanning Tree Protocol STP rather it uses one of the STP v...

Page 50: ...a dynamic address is configured for the port If there is a trunk on the switching module an SNMP getnext request on the MIB object a3ComTrunkTcmpMacState now correctly returns the correct value For e...

Page 51: ...vices had caused a problem where other high availability features would be forced to adjust as a reaction to unprocessed TCMP messages MPLA with TCMP configurations and allClosed VLANs had problems in...

Page 52: ...agent will time out and not report any MAC addresses have been returned by the EME Work Around There is a work around for the issues of timing out while gathering MAC addresses That is you must extend...

Page 53: ...Address Tracker and other applications that poll the bridge address MIB tables perform a MIB walk of the bridge address table or use a command line interface to retrieve bridge address table data If a...

Page 54: ...e daemons from running you need root access to the workstation If you are using the Enterprise VLAN Manager and Address Tracker applications do one of the following Under the usr 3Com diagnostics dire...

Page 55: ...peak hours can help alleviate extra traffic on your network as well If you do not wish to un install these applications and plan to use them in the future you can Start and Stop VLAN Manager and Addr...

Page 56: ...DP and NMS IP ppp and should be moved somewhere else or renamed with a old extension Without a network database no SNMP polling is executed even if the background daemons restart Clearing the Address...

Page 57: ...se release notes 29490 SNMP You may experience slow performance response time when you perform a walk of the a3Com 29 MIB particularly when you request the following fields a3ComBridgePortAddressBridg...

Page 58: ...bridge trunk define To minimize this delay configure VLANs in order of increasing VID and remove them in order of decreasing VID The time that it takes for addresses to age out of address tables may b...

Page 59: ...trunk twice to add the additional ports to the trunk The port mode is updated after the first reset operation You can add a port to a trunk without changing the port mode in a single modify operation...

Page 60: ...gement applications only for configuration and problem isolation purposes When you use these applications SNMP polling can contribute to unexpected events in the configuration associated with TCMP and...

Page 61: ...see a Link Down trap The normal Link Up Link Down Link Up sequence has probably occurred and the module has reset even though you did not see a Link Down trap Ethernet The following Ethernet statisti...

Page 62: ...ter the module baseline set command rxFrames rxHellos txFrames txHellos rxBadVersion rxBadType rxSameTrunkId rxOverflow If a trunk is configured on a module the following fields in the ethernet detail...

Page 63: ...nerated which states that the internal resource threshold has been exceeded and the ports have not been added to the trunk To workaround this do not modify a trunk so that the sum of the existing trun...

Page 64: ...64 CHAPTER 5 RELEASE ISSUES FOR LAYER 2 SWITCHING MODULES...

Page 65: ...and displays indicate this heritage Examples tables or figures in the Switch 4007 documentation may also indicate this heritage Although the heritage of the Switch 4007 is the CoreBuilder 9000 these S...

Page 66: ...P updates 27000 User Datagram Protocol UDP Helper now works for ports 137 through 139 WINS packets 27359 and 27929 In rare instances Dynamic Host Configuration Protocol DHCP clients were unable to get...

Page 67: ...redefine NonFlow control to get it working again after a reset You no longer need to do this 28174 and 28842 RMON When RMON memory resources have been fully depleted problems no longer occur when you...

Page 68: ...d to adjust as a reaction to unprocessed TCMP messages MPLA with TCMP configurations and allClosed VLANs had problems in this area The problem with SNMP GetNext commands not being processed properly h...

Page 69: ...l time out and not report any MAC addresses have been returned by the EME Work Around There is a work around for the issues of timing out while gathering MAC addresses That is you must extend the time...

Page 70: ...AN Manager Address Tracker and other applications that poll the bridge address MIB tables perform a MIB walk of the bridge address table or use a command line interface to retrieve bridge address tabl...

Page 71: ...from running you need root access to the workstation If you are using the Enterprise VLAN Manager and Address Tracker applications do one of the following Under the usr 3Com diagnostics directory run...

Page 72: ...during off peak hours can help alleviate extra traffic on your network as well If you do not wish to un install these applications and plan to use them in the future you can Start and Stop VLAN Manag...

Page 73: ...S IP ppp and should be moved somewhere else or renamed with a old extension Without a network database no SNMP polling is executed even if the background daemons restart Clearing the Address Tracker d...

Page 74: ...y need to define preferences after restoring nonvolatile data If trunks are defined and QoS controls are defined for these trunked ports the nonvolatile data conversion from Release 2 0 or 2 1 to Rele...

Page 75: ...f the autonegotiation feature for a 100 Mbps Ethernet link does not function properly disable autonegotiation and manually set the port speed and duplex mode half duplex or full duplex Also on a 1000...

Page 76: ...Ethernet state of the ports on a backplane link is now done exclusively from the switch fabric module The switch fabric module enables or disables the ports at both ends of the backplane link includin...

Page 77: ...ect value Virtual Router Redundancy Protocol VRRP VRRP is not supported on overlapped untagged network based IP VLANs A network based IP VLAN is a VLAN with a Layer 3 address that is used to determine...

Page 78: ...st first delete one or more unrequired nonflow classifiers in the range of 400 through 498 You can no longer define an IP multicast rate limit from the IP menu Previously you could use the ip multicas...

Page 79: ...ddress group filtering instructions 27583 Transmit and Receive Ports on GBIC Modules The positions of the Transmit and Receive ports on the 4 port Gigabit Ethernet GBIC Multilayer Switching Module Mod...

Page 80: ...lled by Enterprise VLAN Manager Address Tracker and other Transcend applications that poll the bridge address MIB tables These features and protocols include Trunk Control Message Protocol TCMP Virtua...

Page 81: ...bridging loop exists on a switching module or switch fabric module output from the ethernet detail command can take up to 30 minutes to display 30080 Bridging The STP pathcost does not reset to a low...

Page 82: ...generated which states that the internal resource threshold has been exceeded and the ports have not been added to the trunk To workaround this do not modify a trunk so that the sum of the existing t...

Page 83: ...t when overlapped IP VLANs are defined The IP interface statistic inDiscards is always zero it never increments Do not display an Open Shortest Path First OSPF routing table through a second console s...

Page 84: ...P enabled rather than port based IP interfaces in IP networks that use DVMRP as the multicast routing protocol when these networks have physical loops in them Because port based IP interfaces ignore t...

Page 85: ...may not allow you to utilize the entire available bandwidth 06376 RSVP wildcard filter reservations do not reach the sender 06415 Multilayer modules do not display RSVP reserved queue statistics for...

Page 86: ...same name for QoS classifiers and controls Use unique names for classifiers and controls 29335 The WebConsole incorrectly accepts a value outside of the valid range for the QoS statistical interval T...

Page 87: ...s the CoreBuilder 9000 and certain components of the latter product line are supported in the Switch 4007 chassis The Switch 4007 software and management interfaces are built from CoreBuilder 9000 swi...

Page 88: ...ystem compares the error counters against its own predetermined threshold You cannot modify the threshold Internet Packet Exchange IPX The following information should be added to the IPX chapter of t...

Page 89: ...Grep Regular Expression Pattern Matching Characters Pattern Character Meaning Match any number or none of the single character that immediately precedes it The preceding character can be a regular exp...

Page 90: ...the following paragraph should be added to the last point in the General Guidelines subsection of the Key Guidelines for Implementation section The 10 port 100BASE FX Fast Ethernet Multilayer Switchi...

Page 91: ...ME The Secondary EME becomes the Primary EME reset eme warm Use this command to reset the EME without executing diagnostics This command is the default if you do not enter anything after reset eme Iss...

Page 92: ...5 Old command structure in software release 3 0 0 set eme trap_receive disable enable set snmp authentication_trap disable enable show snmp authentication_trap extensions set trap_destination communit...

Page 93: ...trap filter link_state disable Link state trap set to DISABLE No subsequent generation of the link state traps occurs CB9000 set snmp trap filter topology_change enable Spanning tree topology change...

Page 94: ...et snmp trap destination Use this command to set a Simple Network Management Protocol SNMP trap to a specific destination The correct syntax for this command is set snmp trap destination community num...

Page 95: ...f it has become corrupted This chapter contains the following main topics Verifying Module Software Releases and Compatibility How to Obtain the Latest Software Terminology for the EME Module Prerequi...

Page 96: ...N Modules in the same chassis must operate at compatible software levels See Table 1 on page 11 for the required software versions on all modules Essentially Table 1 shows that while the EME module op...

Page 97: ...k supplier or 3Com representative Before you upgrade the RAM read the related cautions in the section titled Prerequisites for Software Installation in this chapter Installation instructions are provi...

Page 98: ...dule via the serial RS 232 port You cannot Telnet in band because you do not yet have an IP address defined for the system 3 At the EME prompt enter show module all verbose 4 Scroll down to the end of...

Page 99: ...instructions are provided in the packaging of the 16 MB card 7 Upgrade your EME software following the procedures in these sections Terminology for the EME Module Upgrading the EME Module to Release 3...

Page 100: ...to Place the Software Download the files to a TFTP server on your network specifically to the server directory that is usually named tftp or tftp boot In addition note the IP address of the server Wh...

Page 101: ...ME management boot software EME management operational software Clarifying Acronym Use Different uses of the same acronym EME can be confusing so bear this terminology in mind In this chapter when we...

Page 102: ...rface The CPU Ram Size MB field on the left side of the screen indicates the amount of CPU RAM If an EME module has 8 MB of CPU RAM you must replace the 4 MB DRAM card in each EME module with a 16 MB...

Page 103: ...ode other than the ones with which they were created If at some point you want to downgrade the modules to preexisting code you must use the configuration file that corresponds to that version of code...

Page 104: ...E operational image because it is new at release 3 0 5 however if the other three images on your EME already conform to the required release numbers you do not have to reinstall those images CAUTION T...

Page 105: ...3 Install EME boot software version 3 0 0 For instructions see Installing EME Boot Software later in this chapter Do not reinstall if it already exists on your module After the module finishes resett...

Page 106: ...For instructions see Installing EMC Operational Software later in this chapter Do not reinstall it if this version already exists on your module After the module finishes resetting go to the next ste...

Page 107: ...oftware thus far on either EME module from 2 1 to 3 0 0 or from 2 1 to 3 0 5 otherwise skip to the next step Flush the Address Resolution Protocol ARP table on the PC management station from which you...

Page 108: ...dicates that downloading software will cause the module to reset and asks if you want to continue Enter y yes Installing EMC Operational Software To upgrade a module s EMC operational software to vers...

Page 109: ...tem indicates that downloading software will cause the module to reset and asks if you want to continue Enter y yes Installing EME Operational Software To upgrade a module s EME operational software t...

Page 110: ...address of the TFTP server where the software image resides and filename is the filename of the software for the particular module that you want to upgrade The software filename has the extension all...

Page 111: ...t you have read important information 2 Before you upgrade a module perform the following steps a On a given module note which backplane ports are enabled Use the ethernet detail command to bring up a...

Page 112: ...ed after the upgrade This problem affects all switch fabric modules Before you downloaded Release 3 0 5 to a module you should have noted which backplane ports were enabled After the upgrade is comple...

Page 113: ...lays may appear incorrectly after you upgrade to Release 3 0 5 This has no impact on traffic flow through the device Note 4 Before you connect to a multilayer switching module to the network reset the...

Page 114: ...Conversion Issues That Result When Upgrading From Release 2 1 to Release 3 0 0 or 3 0 1 Release 3 0 or 3 0 1 Command Value Set in Release 2 x Issue or Value After Upgrade to Release 3 0 0 or Release...

Page 115: ...ter the upgrade This problem affects all switch fabric modules After you upgrade to Release 3 0 log into the switch fabric module and reexamine the backplane port status using the ethernet detail comm...

Page 116: ...sually named tftp or tftpboot To determine the filenames to download consult Table 1 1 Refer to the section Prerequisites for Software Installation to ensure you have complied with the prerequisites s...

Page 117: ...P address This image is not stored in permanent memory You must perform a normal download of this image at the EME prompt to download this image into flash CAUTION If you do not perform this normal do...

Page 118: ...tored image that you would want to have downloaded 6 Enter the image name for the module to which you are connected i e enter the filename with the extension all for this module The following prompt a...

Page 119: ...raded your modules to Release 3 0 5 You should not have to use them i e the Release 3 0 5 configurations should work fine after the downgrade to 3 0 0 or 3 0 1 but this is a precaution 4 Save your Rel...

Page 120: ...ade the image on the Master Primary module At the system prompt enter CB9000 download eme oper_image server address eme30005 op Where slot subslot is either 8 2 or 9 2 and server address is the IP add...

Page 121: ...specific description of that device The Switch 4007 Management Module EME supports the following MIBs in software Release 3 0 x MIB2 MIB mib MIB II MIB RFC 1213 Unsupported group in this MIB egp group...

Page 122: ...ering Commands Before you enter any command 3Com recommends that you Examine all menus and submenus carefully to obtain the complete and correct command string Consult the documentation for the valid...

Page 123: ...Com 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 co...

Page 124: ...oducts 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 an...

Page 125: ...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...

Page 126: ...1 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 M...

Page 127: ...900 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 G...

Page 128: ......

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