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CrossFire 8730 Switch Reference Guide, DOC-7047 v. 1.1

Monitoring the Network with SNMP

Community string table entries are saved when you select Return. Entries are
preserved across resets and power cycles.

Index

Sequential number of entries in the table.

Community Name

Name, or password, used to identify the SNMP managers.

➽

Note: Community names are case sensitive.

Mode

The privilege level assigned to this name. Read specifies that SNMP managers can
only view SNMP information. Read/Write specifies that SNMP managers can both
view and change SNMP information.

Add Entry

Adds community string.

Delete Entry

Deletes community string.

Change Entry

Modifies community string and/or access mode.

Clear Table

Deletes all community strings.

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Содержание CrossFire 8730

Страница 1: ...R e f e r e n c e G u i d e DOC 7047 1 1 CrossFireTM 8730 Fast Ethernet Translation Switch...

Страница 2: ......

Страница 3: ...CrossFire TM 8730 Fast Ethernet Translation Switch Reference Guide...

Страница 4: ...of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and c...

Страница 5: ...d near the equipment and shall be easily accessible 2 To prevent electrical shock the power cord set used must comply with national regulations 2a The female receptacle of the cord must meet CEE 22 re...

Страница 6: ...iv CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1...

Страница 7: ...hernet 22 Fast Ethernet Ports 22 Fast Ethernet Port Operation Modes 23 Fast Ethernet Bridging Modes 23 Redundant Connections to Fast Ethernet Network 25 Network Scenarios Preventing Frame Duplication...

Страница 8: ...en 60 BootP Requests and Parameters 62 SNMP Configuration Menu 63 Spanning Tree Protocol 64 IEEE 802 1D Spanning Tree Protocol STP 64 Spanning Tree for TrBRF Screen 65 Spanning Tree for TrCRF Screen 6...

Страница 9: ...ing Screen 115 Password Menu 116 Console Telnet Sessions 117 Console Configuration Menu 117 Serial Link Configuration Screen 118 Creating a Console Session Using a Modem 119 Stopping the Console Sessi...

Страница 10: ...istics No Translation 163 Outbound Discarded Frame Statistics Translation Errors 164 Address Tables Menu 165 Master Address Table Screen 166 Master Route Descriptor Table Screen 168 VLAN Address Table...

Страница 11: ...th Technical Support 197 Before You Contact Olicom Technical Support 197 Hotline Support 197 Fax Support 198 Internet E Mail 198 Anonymous Internet FTP Server 198 Internet World Wide Web Server WWW 19...

Страница 12: ...7 Figure 10 Preventing Frame Looping 28 Figure 11 Spanning Tree Configuration 29 Figure 12 Two Separate Ethernet Clouds 30 Figure 13 STP BPDU Cost Modification 31 Figure 14 A Switch Configured with Tw...

Страница 13: ...ported on the switch Chapter 3 Switch Configuration deals with setting up and configuring the switch using a direct console connection Chapter 4 Monitoring the Network from the Statistics Menu explain...

Страница 14: ...xii CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1...

Страница 15: ...ation techniques The CrossFire 8730 supports translational bridging for the key network protocols SNA IP IPX and NetBios Moreover all native Token Ring features including source routing and IEEE 802 1...

Страница 16: ...t the switch could be set up with the four Fast Ethernet ports connected to four isolated Ethernet segments or Fast Ethernet Attached servers The CrossFire 8730 Switch will make servers and workstatio...

Страница 17: ...he Fast Ethernet backbone can be formed using several CrossFire 8720 Fast Ethernet Backbone Switches or the CrossFire 8710 Fast Ethernet Stackable Switch This provides a high performance Ethernet back...

Страница 18: ...t legacy LAN to improve performance until migration is complete IEEE 802 1Q tagged VLAN support over the Fast Ethernet link Industry standard that enables frames belonging to different VLANsto be carr...

Страница 19: ...urce Route frames NSR are not forwarded outside the logical ring Allows easy installation in existing Token Ring networks where Source Route Bridges are used Allows easy replacement of bridges with sw...

Страница 20: ...in full duplex Allows high performance station and server connection and allows high performance server attachments with up to 97 improvement over a half duplex Token Ring connection Full duplex stat...

Страница 21: ...to switch switch to workstation or switch to HUB connection Compatibility with older adapters in half duplex mode Half duplex 100 Mbps Switch to switch switch to workstation or switch to HUB connecti...

Страница 22: ...ernet Each packet is forwarded only after the entire packet has been received by the switch This is used for data transfer between LAN segments of different speeds or for LAN segments with a high erro...

Страница 23: ...Token Ring networks as well as IBM Spanning Tree on the Token Ring side No single point of failure The duplicate STP modes allow operation in both transparent and source route bridging modes Easy com...

Страница 24: ...cast control Improves and simplifies adds moves and changes in the network HP OpenView for Windows Additional Network Management applications available for Unix platforms HP OpenView NNM for HP UX and...

Страница 25: ...hed to and from the monitored port is also sent to the monitoring port the order and timing of frames on the monitoring port can be different Eases the management task by making it easy to collect net...

Страница 26: ...n MAC addresses Preserves available network bandwidth by restricting traffic from propagating beyond the needed limits Enables enhanced network security policies to be established Logical Link Control...

Страница 27: ...C 8 switch stack Stack Products Needed A 2 x 8630 B 1 x 8635 and 4 x 8630 C 1 x 8300 and 8 x 8630 Allows several switches to be stacked accommodating switch scalability up to 160 switched Token Ring p...

Страница 28: ...14 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Introduction...

Страница 29: ...o 32 Mbps Fast Ethernet Ports each port can attach to a 10 100 Mbps Fast Ethernet network or Fast Ethernet station Stack Link Module the switch supports a stack link module that can be used to connect...

Страница 30: ...everal switch ports simultaneously The increase in throughput is directly proportional to the number of physical LAN segments that are interconnected through the switch A switch with 20 ports intercon...

Страница 31: ...system address table maintains up to 10 000 entries Each Token Ring port address table maintains 5 500 active addresses each port address table is shared by four ports as follows 1 4 5 8 9 12 13 etc I...

Страница 32: ...d The second level is the TrBRF Token Ring Bridge Relay Function This is the parent relay function to which TrCRFs are assigned The switch maintains certain configuration information and management st...

Страница 33: ...nction runs the IEEE 802 1D Spanning Tree Protocol Duplicate MAC addresses are not allowed SRT SRB This is a special mode combining SRT and the SRB switching modes Each Logical Ring will operate eithe...

Страница 34: ...ways Block destination address at a specific port this prevents the specified port from sending frames to a specified destination Allow destination address at specific ports this indicates that the sp...

Страница 35: ...he switch receives the total packet from the input port checks it for any errors and then starts forwarding the packet to the destination port This technique will ensure that no faulty packets are tra...

Страница 36: ...ag makes use of a VLAN identifier that uniquely identifies the BRF It also contains a 3 bit priority field described in section Virtual Port Configuration on page 41 Each Fast Ethernet port can be ass...

Страница 37: ...eration This mode is also restored after a NVRAM reset of the switch In this mode all Fast Ethernet ports are in the same CRF Frames are switched between ports based only on MAC addresses In this mode...

Страница 38: ...on the Token Ring side and is used to route source routed Token Ring frames toward the Ethernet cloud See Figure 7 3 2 5 4 8 7 6 10 9 15 12 11 14 13 17 16 19 18 20 STACK LINK ATTACH RX TX DIAG PWR RS...

Страница 39: ...rame loops are eliminated by using a common LAN segment number for the entire Ethernet cloud or by proper Spanning Tree configuration The recommended CRF number is 4095 Frame duplication is eliminated...

Страница 40: ...d from Station A traverses all rings only one time based on a Routing Information Field RIF expanded by each source routed bridge In this example both Fast Ethernet links are in the forwarding state A...

Страница 41: ...e 1 and link 1 back to the Ethernet and so on See Figure 9 below Figure 9 Frame Looping This loop can be resolved by making sure that only one Fast Ethernet link can be in the forwarding state or by u...

Страница 42: ...on both sides of the Fast Ethernet links such that at most one can be forwarding The Fast Ethernet ports provides support for STP cost manipulation which does not require cost configuration on both s...

Страница 43: ...ly disjointed Ethernet clouds Each switch in the configuration has one primary connection to one of the two Ethernet clouds and one secondary connection to the other cloud This way redundancy for both...

Страница 44: ...be modified according to the CRF connection attribute The BRF to CRF link is a virtual internal link and exists only for spanning tree purposes The spanning tree cost of each primary connection remain...

Страница 45: ...or backup connection to Ethernet each connection attribute should be set to Primary and then spanning tree costs must be changed on each side of the backup link Figure 13 STP BPDU Cost Modification 3...

Страница 46: ...mode Full duplex station emulation Connects to another Token Ring switch This is also known as Transmit Immediate TXI station mode RI RO like connection The mode of operation can be configured manuall...

Страница 47: ...ion of the ring to which the port is attached Therefore be careful when using the RI RO feature Transmission Priority Queues To address the needs of delay sensitive data such as multimedia the Token R...

Страница 48: ...on for Fast Ethernet on page 28 and Spanning Tree Protocol on page 64 IBM initially supported only Source Route Bridging SRB in its bridges so most Token Ring networks were built to use it The main co...

Страница 49: ...802 1Q tagged VLANs entering the switch from the Fast Ethernet side are translated into port based VLANs on the Token Ring side and vice versa Port groups on different VLANs may be assigned the same r...

Страница 50: ...36 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Switch Overview Figure 14 A Switch Configured with Two VLANs VLAN 1 BRF 1 CRF1 CRF2 CRF3 CRF4 BRF 2 VLAN 2 Switch...

Страница 51: ...ariables will be supported in either the standard MIBs or the proprietary MIB Configuration settings such as port attributes and operational information such as address tables are fully accessible thr...

Страница 52: ...es representative Telnet Management and VT100 Management Console The Console Management function may be accessed out of band via the TIA EIA 232 F i e RS 232 port labelled MANAGEMENT or in band via Te...

Страница 53: ...a trap to the client This monitoring method reduces traffic between the SNMP client and the switch The following groups are supported in RFC 1513 Token Ring Extensions RMON MIB The Token Ring Mac Laye...

Страница 54: ...The switch has an input for a backup power supply It is compatible with the CrossFire 8310 Redundant Power Supply Chassis which can supply backup power for up to six switches when up to six CrossFire...

Страница 55: ...console interface To access the interface a VT100 console can be attached to the switch directly or via a modem connection The switch configuration can also be modified from a remote VT100 console via...

Страница 56: ...ed when you do this To return to the greeting screen press CTRL B To refresh the console screen press CTRL L If you are administering switches in a stack many of the console screens will prompt for a...

Страница 57: ...en or menu Items that end with three dots opens another screen or menu Pressing the ENTER key on such an item will display the new screen or menu If the item on the screen is a command such as Reset p...

Страница 58: ...he Statistics menu for the switch Explanations of screens in the Statistics menu are in Chapter 4 Monitoring the Network from the Statistics Menu on page 135 Download Upload Displays the Download Uplo...

Страница 59: ...Ethernet ports should connect Determine which VLAN if any should be untagged Configure the Fast Ethernet VLAN ID for all the BRFs that should be tagged Make sure that each Fast Ethernet VLAN ID matche...

Страница 60: ...e following sections explain the fields in the Switch Configuration screen System Description Name and model of this switch Information in this field cannot be changed Burned in MAC Address The factor...

Страница 61: ...l The switch reserves 63 addresses for TrBRF VLAN Each VLAN has an attached Bridge relay function TrBRF and a Management entity IP protocol stack and consequently it needs a MAC Address In the switch...

Страница 62: ...u is entered From here it is possible to read the MAC address of the management entity TrBRF Address Format Display format used for MAC addresses canonical or non canonical Canonical format is typical...

Страница 63: ...is the case contact your local reseller Stack Configuration Screen To open this screen from the main menu select Configuration Switch Configuration Stack Configuration The following information is di...

Страница 64: ...ish communication with the switch The default is 16 seconds Stack State Whether the CrossFire Switch Stacker is operational CrossFire 8630 or CrossFire 8635 Information in this field cannot be changed...

Страница 65: ...mpty Model Type of module The CrossFire switch is listed for the base switch For this module as well as for others this field displays the product number Board ID Identifier of the board in decimal HW...

Страница 66: ...ies to VLAN default Virtual LANs affects other switch features in the following ways Spanning Tree Protocol STP If you are using STP in a certain domain you must supply STP information for that domain...

Страница 67: ...omains CrossLink All the Token Ring ports in a single CrossLink must belong to the same CRF Therefore the console software prevents you from defining a CrossLink connection that includes ports in diff...

Страница 68: ...select Configuration VLAN Configuration VLAN Configuration Use the this screen to define and administer BRFs and CRFs in the switch TrBRF TrCRF ASCII name associated with the BRF or CRF ID Numeric ID...

Страница 69: ...igned to it or a CRF if there are ports assigned to it Sort Sorts VLANs by Parent Child relationship or by VLAN ID VLAN Parameter Configuration for TrCRF Screen To open this screen do the following 1...

Страница 70: ...A Note Forwarding of frames between CRFs in SRB mode is only possible if the CRFs know their ring numbers If you are running the switch in an environment without other bridges switches learning of rin...

Страница 71: ...rnet cloud must have a different connection attribute set Ports in TrCRF This parameter lists the ports assigned to the CRF VLAN Parameter Configuration for TrBRF Screen To open this screen do the fol...

Страница 72: ...to maximum frame size values of 1 548 4 546 default 9 236 and 18 192 respectively The actual value used depends on the value configured for the ports the smaller value is used Bridge Number Source ro...

Страница 73: ...The port number Mode VLAN mode of the port Possible values are Static and Trunk The Fast Ethernet ports will appear as trunk ports in the Local VLAN Port Configuration This means that more than one CR...

Страница 74: ...ddress subnet mask or IP state or to send PINGs Interface MAC Address Displays the MAC address assigned to this BRF IP Address Displays the current IP address of the selected TrBRF To change it highli...

Страница 75: ...r 192 0 2 1 BootP When Needed is the factory set default A switch for which NVRAM is not initialized for instance a new switch out of the box or on a bootup after NVRAM is cleared or one whose NVRAM i...

Страница 76: ...h s IP address several other parameters in a BootP response are also recognized and recorded in NVRAM when received in the same response Default Gateway see note below Subnet Mask TFTP Bootfile Name T...

Страница 77: ...guration Menu The next menu item in the Configuration menu is SNMP Configuration This item opens a menu that is explained in Chapter 5 Monitoring the Network with SNMP The next section describes the S...

Страница 78: ...ute with the lowest path cost IEEE 802 1D recommends that you assign path costs using the following formula Path cost 1000 LAN speed in Mbps If two ports to the root have the same path cost the STP de...

Страница 79: ...he whole network to use short aging timers so all address tables will be trashed The result is a lot of unknown station broadcasts before the tables converge again To disable STP on a port select the...

Страница 80: ...n page 67 IEEE STP Uses Bridge Functional Address Yes Sets IEEE Spanning Tree to use the Bridge Functional Address No Sets IEEE Spanning Tree to use the standard IEEE STP Address Bridge Priority Enter...

Страница 81: ...TrCRF Port Spanning Tree Parameters item you will be presented with a screen listing the TrCRFs that have the current TrBRF as parent From this screen you can select a TrCRF and modify the TrCRF and o...

Страница 82: ...d path cost is 1000 LAN speed in Mbps STP Participation TrCRF to ports Whether this TrCRF participates in the spanning tree protocol and if so the protocol to be used Possible values are No IEEE and C...

Страница 83: ...Switch Hello Time x 2 1 The maximum cannot be more than the lower of 40 or Switch Forward Delay x 2 1 The range limits that appear when you select this parameter are calculated using the values curre...

Страница 84: ...t have the currently selected TrBRF as parent When you select a TrCRF from this list the Spanning Tree for TrCRF screen is displayed 4 On the Spanning Tree for TrCRF screen select Port Spanning Tree P...

Страница 85: ...panning tree mode Possible values are forwarding blocked and auto If the TrCRF to which the port belongs is participating in the spanning tree protocol then auto is the default and the selected protoc...

Страница 86: ...creen for that port will be displayed Token Ring Port Configuration The Token Ring ports are between 1 and 20 For these ports you will see the following screen Note When auto is selected for fields th...

Страница 87: ...the type of all the ports on CrossFire 8730 Media Speed The Token Ring media speed Possibilities are 4 or 16 Mbps or Auto When a switch port configured with Auto discovers a connection to shared medi...

Страница 88: ...h will force Early Token Release to No Operation Mode The Token Ring port operation mode Possible values are as follows Auto default Only HDX and FDX modes can be automatically detected HDX port HDX s...

Страница 89: ...ult value is 1 percent Error Sampling Interval This field is only valid when Forwarding Mode is set to auto and specifies a sampling period in minutes The sampling period is used when counting errors...

Страница 90: ...r the Fast Ethernet ports 21 22 25 and 26 this variable sets the administrative state of the port possible values are Yes and No When the port is disabled the LINK LED will blink Default Yes Status Th...

Страница 91: ...plex 10Mbps Auto HDX 100 The port is running in half duplex 100Mbps state unknown The port is disabled or the link is off Address Demand Aging Level Sets the threshold on the number of entries in the...

Страница 92: ...ber Select a Fast Ethernet port that is 21 22 25 or 26 If the Fast Ethernet port has more than one virtual port a list of the corresponding CRFs appears from which the virtual port must be selected Th...

Страница 93: ...ort on each Fast Ethernet port can be untagged All other virtual ports must be tagged and the 802 1Q VLAN ID must be the same in both ends Preferably the VLAN which is expected to have the largest amo...

Страница 94: ...t port Possible values are 1 to 9999 minutes or 0 to disable aging When no frames with the RIF have been received for the specified period of time the RIF entry is deleted from the RIF table and the s...

Страница 95: ...n 2 You will be prompted for a port number Token Ring ports are 1 20 Fast Ethernet ports are 21 22 25 or 26 When you have entered the port number the Port Configuration screen for that port will be di...

Страница 96: ...NetBios conversion parameters See page 87 SNA Conversion Status Display only Shows the current status of the SNA Conversion Possible values are Enabled and Disabled SNA Conversion Parameters Change T...

Страница 97: ...for that port will be displayed 3 On the Port Configuration screen select Virtual Port Configuration 4 On the Virtual Port Configuration screen select Frame Conversion Configuration The Frame Convers...

Страница 98: ...t noSR Frame will be transmitted to Token Ring as a transparent frame Default SR Explorer Frames Type Sets the types of explorer that should be used for IP traffic Possible values ARE The All Routes E...

Страница 99: ...Virtual Port Configuration 4 On the Virtual Port Configuration screen select Frame Conversion Configuration The Frame Conversion Configuration screen appears Select Novell Conversion Parameters Change...

Страница 100: ...II Default 802 3 Source Routing Enables or disables Source Routing in Novell frames transmitted to Token Ring Possible values SR Source Routing information will be added to frames converted from Ether...

Страница 101: ...for that port will be displayed 3 On the Port Configuration screen select Virtual Port Configuration 4 On the Virtual Port Configuration screen select Frame Conversion Configuration The Frame Convers...

Страница 102: ...d to frames converted from Ethernet to Token Ring format noSR Frame will be transmitted to Token Ring as a transparent frame Default SR Explorer Frames Type Sets the type of explorer that should be us...

Страница 103: ...3 On the Port Configuration screen select Virtual Port Configuration 4 On the Virtual Port Configuration screen select Frame Conversion Configuration The Frame Conversion Configuration screen appears...

Страница 104: ...frames transmitted to Token Ring Possible values SR Source Routing information will be added to frames converted from Ethernet to Token Ring format noSR Frame will be transmitted to Token Ring as a t...

Страница 105: ...ort Configuration screen select Virtual Port Configuration 4 On the Virtual Port Configuration screen select Frame Conversion Configuration The Frame Conversion Configuration screen appears Select Oth...

Страница 106: ...e Routing Enables or disables Source Routing in Other Frames w SNAP frames transmitted to Token Ring Possible values SR Source Routing information will be added to frames converted from Ethernet to To...

Страница 107: ...e Port Configuration screen select Virtual Port Configuration 4 On the Virtual Port Configuration screen select Frame Conversion Configuration The Frame Conversion Configuration screen appears Select...

Страница 108: ...outing in Other Frames w o SNAP frames transmitted to Token Ring Possible values SR Source Routing information will be added to frames converted from Ethernet to Token Ring format noSR Frame will be t...

Страница 109: ...nfiguration The CrossFire 8730 supports dual home FEP which allows duplicate MAC addresses in a source route bridging Token Ring network This is often used by IBM mainframes connected to a Token Ring...

Страница 110: ...rence Guide DOC 7047 v 1 1 Switch Configuration Switched Port Analyzer Menu The Switched Port Analyzer screen is accessed from the Configuration menu This screen and its submenus are presented in Chap...

Страница 111: ...ss filters are automatically added to every Token Ring port in a CrossLink The lowest numbered Token Ring port of the CrossLink is called the primary port CrossLink software learns addresses different...

Страница 112: ...s sent out on the primary Token Ring ports of the CrossLink but entries are not made in ports tables until a reply packet comes back Entries in port tables depend upon the destination See the descript...

Страница 113: ...List of different CrossLink setups 1 to 8 Ports The Token Ring ports within that specific CrossLink Add Entry Prompts you to enter Token Ring port numbers for each CrossLink Enter at least two ports b...

Страница 114: ...nect the Token Ring ports before creating or changing a CrossLink You must define the CrossLink for both connected switches before physically connecting their linked ports Do not connect the cables be...

Страница 115: ...menu select Configuration CrossLink Current CrossLink Information Use this screen from the CrossLink menu to display the status of the CrossLink CrossLink The number of the CrossLink referring to the...

Страница 116: ...ters Use the Filters Port Security menu to create port filters Filters are port specific and applied to a switch s incoming traffic only Up to 250 filters can be created for each switch the filters mu...

Страница 117: ...ng filtering menus are presented Filters and Port Security Menu To open this screen from the main menu select Configuration Filters Port Security Use this menu to access the filtering menus Configure...

Страница 118: ...s displayed of the available filter functions with a selectable highlight After a choice is made the console prompts you for the necessary parameters Index The number index MAC Address MAC address con...

Страница 119: ...conjunction with port security Allow any packet with Limited Multicast Address to ports s Allow Lma If a packet is sent to the specific multicast address it is allowed to go to the specified port s on...

Страница 120: ...ou can block all source addresses at that port and then use port filtering as explained in the previous sections of port filtering to selectively allow specific addresses to send to that port There ar...

Страница 121: ...er that is 1 20 The following screen displays an example of a Token Ring port using the MAC address filters and port security Index Numerical order of entries MAC Address The specific MAC address the...

Страница 122: ...ou can define protocol classes and then assign filtering attributes to these classes on a per port basis The classes in protocol filtering are based on destination service access point DSAP informatio...

Страница 123: ...DSAPs and Ethertypes not assigned to any other class You modify a class by highlighting the class and pressing ENTER You will then be prompted for the field to modify Name Ethertype or DSAPs When all...

Страница 124: ...en this screen do the following 1 From the main menu select Configuration Filters Port Security Then select Protocol Filters 2 On the Protocols Filters screen select Port Filtering Attributes Before t...

Страница 125: ...Yes Allow transparent bridging for frames in this protocol class default value No Disallow transparent bridging for frames in this protocol class If No is selected only source routed frames can be br...

Страница 126: ...ess tables after the system aging time Set at the Master Address Table Aging menu There are two levels to set for the port and master aging tables Time Interval Aging is a time limit in minutes which...

Страница 127: ...tch Reference Guide DOC 7047 v 1 1 Switch Configuration Address Aging Menu To open this menu from the main menu select Configuration Address Aging The following subsections describe the submenus for t...

Страница 128: ...esses will be discarded after reaching the set time limit The default setting for this parameter is 5 minutes The maximum time for this value is 9999 minutes 0 indicates that address aging is disabled...

Страница 129: ...ess of whether they have been seen within that time period This situation is not very likely but the function is a security against remaining unused addresses in the memory for an indefinite time To o...

Страница 130: ...d prompt Set Password Establishes or changes the password Delete Password Deletes the password The system prompts you to enter the present password before it allows you to change or delete the passwor...

Страница 131: ...To open this menu from the main menu select Configuration Console Configuration Serial Link Configuration An example of this screen and an explanation of its contents follows below Telnet Configurati...

Страница 132: ...blesthe XON and XOFF characters which are 11 and 13 hexadecimal respectively Default Disabled Autobaud Upon Break Indicates whether the baud rate is reset when a Break key sequence pressing ENTER rapi...

Страница 133: ...The settings shown in italics are particularly important If your modem is not configured correctly the connection may cause the switch to reset Start the console by pressing ENTER If a Telnet session...

Страница 134: ...menu Number of Telnet Sessions Allowed Limits the number of Telnet sessions Numbers allowed are from 1 to 5 Highlight this selection press ENTER and enter the number Default is 5 Disallow New Telnet...

Страница 135: ...sions or Terminate All Active Telnet Sessions if you are accessing the configuration program via Telnet Telnet Sessions Screen To open this screen do the following 1 From the main menu select Configur...

Страница 136: ...cts between Telnet sessions If one Telnet session is disrupted by the user at the console the Telnet session s configuration may not have been completed In some menus changes take effect immediately a...

Страница 137: ...een no activity for 5 minutes Note If you are in a Telnet session and change the IP parameters either in the IP Information Session screen or Virtual LAN IP Configuration screen and save the changes u...

Страница 138: ...ss This parameter displays the IP address of the computer to which the log messages are sent Syslogd Domain VLAN This parameter displays the VLAN in which the messages are sent Syslogd Facility The fa...

Страница 139: ...etting Before starting this procedure make sure the network will not be effected Downloading is used to load the flash memory within the switch The Download Upload menu displays two download choices T...

Страница 140: ...load on the main menu 5 Select Serial Link Download 6 Select Main Image Download 7 Confirm the download The download takes approximately 12 minutes at 9600 baud Note there is no validation of the imag...

Страница 141: ...ware upgrade is installed In view of this the TFTP function in the switch is designed as an explicitly requested operation with operator settable parameters Note that changes to these parameters may b...

Страница 142: ...ad Upload initiates the download or upload for a single switch only The screen displays the block it last received from the server block 0 if no reply has been received until the last packet arrives T...

Страница 143: ...oad code updates using TFTP to a single switch or to multiple domains If the network broadcast traffic is 200 packets per second or more the TFTP request might not be initiated by the switch You must...

Страница 144: ...select and initiate by moving the highlight over the item and pressing ENTER Reset Switch With Diagnostics A reset function is initiated with this command It resets the switch hardware runs diagnosti...

Страница 145: ...ou must clear NVRAM If you are using the CrossLink feature be sure to disconnect the affected Token Ring ports or disable them on the Port Configuration screen and reset the switch before clearing NVR...

Страница 146: ...132 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Switch Configuration...

Страница 147: ...s information is usually the result of input data from the configuration menus see Chapter 3 Switch Configuration The specifications presented on the statistic screens normally can not be modified Inf...

Страница 148: ...Reference Guide DOC 7047 v 1 1 Monitoring the Network from the Statistics Menu Statistics Menu To open the Statistcis menu select Statistics in the main menu The following sections describes the Stati...

Страница 149: ...in the switch for example SNMP requests The Port Statistics screen described in a later section refers to frames handled by the ports on the switch System Up Time Length of time since the last reset o...

Страница 150: ...ons Number of entries in the address table representing the number of currently active stations MAC addresses or nodes on all ports of the switch Largest Number of Stations The most stations MAC addre...

Страница 151: ...1 Monitoring the Network from the Statistics Menu Power Supply Information Screen To open this screen from the main menu select Statistics Power Supply Information This screen displays information ab...

Страница 152: ...signed For the Fast Ethernet ports the name of the CRF in which the virtual port is defined TrBRF For the Token Ring ports the name of the TrBRF to which the port is assigned For the Fast Ethernet por...

Страница 153: ...The Tx Rx pinouts are the same as a concentrator s HDX station Half duplex mode in which the port operates like a station The connection may be dedicated or shared The Tx Rx pinouts are the same as an...

Страница 154: ...atistics The Port Statistics menu provides access to statistical information for any particular port To enter the menu you must first enter a port number The following screen is displayed when you sel...

Страница 155: ...access to statistical information for any particular port To enter the menu you must first enter a port number The following screen is displayed when you select a Fast Ethernet port that is port numb...

Страница 156: ...tatistics screen to view detailed information about a particular port Frames Forwarded Number of frames forwarded by the port excluding those delivered to the host CPU system software for processing o...

Страница 157: ...received on this port Broadcast Frames Received Number of broadcast frames received on this port without errors Multicast Frames Received Number of multicast frames received on this port without error...

Страница 158: ...Number Indicates the number of times a frame which contains a duplicate ring number in the RIF field has been seen by the port Invalid RIF RC Field Indicates the number of times a frame which contain...

Страница 159: ...since last reset of port statistics General Statistics Screen for Fast Ethernet Ports To open this screen do the following 1 Starting from the main menu select Statistics Port Statistics 2 Enter a Fa...

Страница 160: ...source routed frames forwarded by the port SRF Frames Forwarded Number of source routed frames forwarded by the port STE Frames Forwarded Number of Spanning Tree Explorer frames forwarded by the port...

Страница 161: ...und to Fast Ethernet directions The discard reasons are described in the following sections Discarded Inbound Frames The following discard reasons are defined for inbound frames Invalid VLAN A frame w...

Страница 162: ...ne or more VLANs Blocked Virtual Port The frame is discarded because the virtual port is currently not in forwarding state Unrecognized SNA Number of unrecognized SNA frames Discarded Outbound Frames...

Страница 163: ...en is copied or repeated by a station the E bit is zero in the frame or token and one of the following conditions exists 1 there is a non data bit J or K bit between the SD and the ED of the frame or...

Страница 164: ...eceive Congestion This counter is incremented when a station recognizes a frame addressed to its specific address but has no available buffer space indicating that the station is congested Frame Copie...

Страница 165: ...e port has detected an open or short circuit in the lobe data path The adapter will be closed and Ring State will signify this condition Removes The number of times the port has received a Remove Ring...

Страница 166: ...en rings after a station has successfully been added to the ring This field has the general format 0x text string where is a hexadecimal error code value and textstring can be No Status OK or a short...

Страница 167: ...ring speed that will be attempted at the next open Possible values are Unknown 4 Mbps 16 Mbps Unknown can indicate that the port will attempt to auto insert into the ring Upstream Neighbor The MAC ad...

Страница 168: ...following 1 Starting from the main menu select Statistics Port Statistics 2 Enter a Token Ring port number 1 20 3 Select 802 5 DTR MAC Information The 802 5 DTR MAC Information menu provides access to...

Страница 169: ...ode is enabled to transmit This field displays the value set by the Authorized Function Classes subvector X 06 of the Change Parameters MAC frame Valid range is from 0x0000 to 0xFFFF Each bit that is...

Страница 170: ...ansmitted or received Beacon UNA This field displays the value of the UNA subvector X 02 used in the last Beacon MAC frame transmitted or received It will indicate the individual MAC address of the se...

Страница 171: ...col Request subvector X 0E transmitted in the Registration Request MAC frame Possible values are TXI and TKP Station Access Protocol Response Response to protocol request This field displays the value...

Страница 172: ...ve and Wire Fault detection methods supported by the C Port Possible values are RI RO and Not RI RO Common Access Protocol Mask This field displays which access protocols can be supported by the PMAC...

Страница 173: ...nsmitted by this port but initially deferred The 21143 Fast Ethernet transceiver had to defer while ready to transmit a frame because the carrier was asserted Single Collisions Number of frames transm...

Страница 174: ...use of framing errors Frames Too Long Number of frames received with a length greater than the maximum lenght receivable Data Overrun Number of frames dropped because of data overrun System Buffers Un...

Страница 175: ...orts If more than one virtual port is defined for the Fast Ethernet port the requested virtual port must first be selected by choosing from a list of CRFs Virtual Port State This is the current state...

Страница 176: ...configuration dialog IPX Number of frames dropped because IPX translation is disabled or inbound frames are received from Ethernet in a format different than that specified in the Fast Ethernet confi...

Страница 177: ...on errors for generic frames with SNAP Generic w o SNAP Number of frames dropped because of translation errors for generic frames without SNAP Outbound Discarded Frame Statistics No Translation IP Num...

Страница 178: ...mes dropped because of IPX translation errors NetBios Number of frames dropped because of NetBios translation errors SNA Number of frames dropped because of SNA translation errors Generic w SNAP Numbe...

Страница 179: ...from the Statistics Menu Address Tables Menu To open this menu from the main menu select Statistics Address Tables Use the Address Tables menu to select which address table statistics you want to vie...

Страница 180: ...sses of all the ports known to the switch The table can contain up to 10 000 entries memory See a detailed description of MAC Adresses onpage 46 Address MAC address of a node Type The Type column of t...

Страница 181: ...or more ports The switch has however not yet learned the location of the address because the station has not sent any response frames Multicast The address is a group address or a functional address...

Страница 182: ...lays the ports whose address tables contain the MAC address Master Route Descriptor Table Screen To open this menu from the main menu select Statistics Address Tables Master Route Descriptor Table The...

Страница 183: ...at port nn Port type STK The route descriptor is known at a port of another switch in the stack If the route descriptor has occurred as next hop in the RIF of incoming frames at other ports it will b...

Страница 184: ...N Address Table screen To open this menu do the following 1 From the main menu select Statistics Address Tables 2 Select VLAN Address Table 3 Select a CRF when prompted The VLAN Address Table screen a...

Страница 185: ...ptor Table Screen To open this menu do the following 1 From the main menu select Statistics Address Tables 2 Select VLAN Route Descriptor Table 3 Select a CRF when prompted The VLAN Route Descriptor T...

Страница 186: ...to locate a computer in the network MAC Address The MAC address of the a computer on the network Type in the address you want to locate Box The stack number of the switch on which the MAC address is...

Страница 187: ...Spanning Tree prompt at the Configuration menus this menu will only display the headers with no information below them When the switch is configured with CrossLink channels STP packets use the primary...

Страница 188: ...nning tree The port ID is expressed in the form port priority port number PCst Cost associated with each port Lower numbers are generally assigned to ports attached to faster media such as FDX or Cros...

Страница 189: ...nicate with the root of the spanning tree This information is useful if the switch is the designated bridge on one or more network segments Chgs Number of topology changes that is the number of times...

Страница 190: ...elected TrBRF The following information is displayed on this screen Bridge ID Priority and MAC address of this bridge Root ID Priority and MAC address of the root bridge Root Port Number of the port o...

Страница 191: ...termine the role of the port in the spanning tree The port ID is expressed in the form port priority port number PCst Cost associated with each port Lower numbers are generally assigned to ports attac...

Страница 192: ...BrId Priority and MAC address of the device through which this port has determined it must communicate with the root of the spanning tree Dsg PId Port on the designated bridge through which this switc...

Страница 193: ...t TrCRF 3 You will be prompted to select a TrCRF Select one The VLAN Statistics Screen for TrCRF appears Parent VLAN The parent TrBRF Currently Active Stations Number of MAC addresses currently in the...

Страница 194: ...e Select TrBRF 3 The VLAN Statistics Screen for TrBRF appears Currently Active Stations Number of MAC addresses currently in the master address table that are recognized as ports belonging to this dom...

Страница 195: ...rs or a specific diagnostic test has failed at the switch The data that is shown on this screen is for monitoring information only and is meant for network personnel experienced with this type of info...

Страница 196: ...ect Statistics Message Log Information The data on this screen is useful to technical experts in solving complex problems Log Index number identifying the log file Type Message type Possible values ar...

Страница 197: ...console in a summary form The information is suitable for capturing into an ASCII file by means of a capture function in the terminal emulation program used This file will often be requested by the Ol...

Страница 198: ...184 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Monitoring the Network from the Statistics Menu...

Страница 199: ...st Ethernet Translation Switch User Guide 2 Make the necessary configurations in the IP Configuration screen 3 Make the necessary configurations in the SNMP Configuration menu and the following subscr...

Страница 200: ...select Configuration SNMP Configuration The SNMP Configuration screen is shown below Send Authentication Traps Indicates whether SNMP should issue an authentication trap to trap receivers whenever an...

Страница 201: ...upport The default value is Enabled SNMP over MAC is a way of sending SNMP traffic to manage the switch without IP Community Strings Screen To open this screen from the main menu select Configuration...

Страница 202: ...y Name Name or password used to identify the SNMP managers Note Community names are case sensitive Mode The privilege level assigned to this name Read specifies that SNMP managers can only view SNMP i...

Страница 203: ...th an SNMP manager The Trap receiver table contains a maximum of 20 entries It is redisplayed each time the table changes Trap receiver table entries are saved when you select Return Entries are prese...

Страница 204: ...tity is reinitializing itself such that neither the agent configuration nor the protocol entity implementation is altered The linkDown Trap A linkDown trap signifies that the sending protocol entity r...

Страница 205: ...en the stack switches over from primary to secondary Matrix or from secondary back to primary Matrix oc8600TsStackTempChange This trap is generated when the temperature in a switch exceeds normal or r...

Страница 206: ...Change This trap is a TrCRF specific version of the topologyChange trap as described in RFC1493 A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning...

Страница 207: ...1 1 Monitoring the Network with SNMP Traps for CrossLinks oc8600TsCrossLinkFailed This trap is sent when one of the Token Ring links in an CrossLink fail The variable oc8600TsCLPorts contains the Tok...

Страница 208: ...194 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Monitoring the Network with SNMP...

Страница 209: ...onitoring Data only monitoring you can select the monitored port and monitor port all data traffic received and transmitted on the monitored port is copied to the monitor port such that it can be rece...

Страница 210: ...ork analyzer or RMON probe will be attached Note This port should be assigned to its own TrCRF For information about assigning ports to a TrCRF see VLAN Configuration on page 52 Port To Monitor The po...

Страница 211: ...ote that any traffic through the switch will be disrupted Dump the switch configuration to a file using Display Summary and print the file Print any messages in the Message Log Information Screen If p...

Страница 212: ...l Olicom s software updates application notes quick fixes etc can be obtained from our anonymous FTP server To connect open an FTP session to Internet World Wide Web Server WWW The Olicom WWW server c...

Страница 213: ...rt Olicom Support WEB The Olicom Support WEB contains for example technical support hints driver and software updates a problem report form support news as well as updated versions of guides and manua...

Страница 214: ...Form from Olicom s web site on the Internet Company ____________________________ Name ______________________ Address __________________________________________________________ Country _______________...

Страница 215: ...201 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Getting in Touch with Technical Support Problem Description Network Installation Sketch...

Страница 216: ...202 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Getting in Touch with Technical Support...

Страница 217: ...Data Unit BRF Bridge Relay Function CAU Controlled Access Unit CRF Concentrator Relay Function DSAP Destination Service Access Point DIS Disabled DTR Dedicated Token Ring EIA Electronic Industry Assoc...

Страница 218: ...Transfer Unit NNM Network Node Manager NSR Non Source Routed OBM Out of Band Management RMON Remote Monitoring RS Recommended Standard SMP Standby Monitor Present SNA Systems Network Architecture SNAP...

Страница 219: ...ocol TIA Telecommunications Industry Association TFTP Trivial File Transfer Protocol TKP Token Passing TrBRF Token Ring Bridge Relay Function TrCRF Token Ring Concentrator Relay Function TXI Transmit...

Страница 220: ...206 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Abbreviations...

Страница 221: ...ame number of times received by port 151 Beacon Physical Drop Number parameter 156 Beacon Source Address parameter 156 Beacon UNA parameter 156 BLK 174 177 203 block value on the Port Filtering Attrib...

Страница 222: ...eneral description 97 in VLAN configuration 53 number 101 setting up 100 setup number 99 state 101 traps 193 CrossLink Configuration screen 99 CrossLink menu 98 Current CrossLink Information screen 10...

Страница 223: ...ameters change 82 85 Novell Conversion Status 82 other frames w o SNAP conversion parameters change 82 93 other frames w o SNAP conversion status 82 other frames w SNAP conversion parameters change 82...

Страница 224: ...iguration screen 59 Locate MAC Address screen 172 Long Frames parameter 144 lost frame errors on 802 5 Statistics screen 150 LRN 174 177 204 LSN 174 177 204 M MAC 12 46 60 154 172 204 MAC Address on V...

Страница 225: ...network management console main menu 44 navigationg within menus and screens 43 stopping 119 using to monitor the network 133 network monitoring 133 network scenarios frame duplication 26 frame loopi...

Страница 226: ...red DSAP 143 Frames Forwarded 142 146 Frames Lost 136 Frames Processed 143 Frames Received 135 143 146 Frames Transmitted 135 143 146 Frames Unknown 143 Functional Address 153 Hardware Flow Control 11...

Страница 227: ...sending 61 Port Address Table Aging screen 114 Port Configuration Fast Ethernet screen 76 Port Configuration Token Ring screen 72 Port Configuration screen 72 port cost 174 177 port counters built in...

Страница 228: ...s Conversion 83 Local VLAN Port Configuration 59 Locate MAC Accress 172 Master Address Table 166 Master Address Table Aging 115 Master Route Descriptor Table 168 Message Log Information 182 Module Inf...

Страница 229: ...nfiguration screen 49 Stack Connection parameter 50 Stack State parameter 50 Stack Time out parameter 50 stackable architecture 40 stacking 40 starting the Telnet session 122 Station Access Protocol R...

Страница 230: ...ports 195 translation from Token Ring to Fast Ethernet 2 transmission priority queues 33 Transmit Buffer Overflows parameter 144 transparent switching principles 18 Trap Receivers screen 189 traps fo...

Страница 231: ...Configuration for TrCRF screen 55 VLAN Route Descriptor Table screen 171 VLAN Statistics for TrBRF screen 180 VLAN Statistics for TrCRF screen 179 VLAN support general description 35 W warnings iii w...

Страница 232: ...index 12 CrossFire 8730 Switch Reference Guide DOC 7047 v 1 1 Index...

Страница 233: ......

Страница 234: ...9 0 6 105 2892 0 49 0 6 105 2892 10 Olicom France Tel Fax Immeuble Plein Ouest 177 Avenue G Clemenceau 92024 Nanterre cedex 33 0 1 41 91 17 17 33 0 1 41 91 17 00 Olicom Ib rica Tel Fax C Basauri 17 2...

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