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Avaya Configuring Ethernet, FDDI, and Token Ring Services User's Manual

1. uessses T 2 6 ST Eol RENGS me 2 8 Seling The BoiL Timeout DVSO ausi keen r bmi nd epi dante ud baa 2 8 Enabling or Disabling Hardware Filtering PE E A AE T ube M 2g Setting the Transmit Cueue Length srrerssiiiii area a 2 11 Setting the Receive Queue Length u sessssessssssssrssrsssrrsstrrernnetnnetnnnnnnnnnnnsnnnsnnensreno 2 11 Setting the Interface Line Speed for 100BASE T Modules cccccsscceeeessteeeeeeenaees 2 12 Setting Line Advertising Capabilities for 100BASE T Modules 2 13 Enabling Ethernet Flow Control ccsicccccensscssnanesscccnesescasccrananizenroesade TEEN Rm 2 14 308623 14 00 Rev 00 V Chapter 3 Configuring FDDI Services Configuring FDDI Services Using the BCC or Site Manager ssssessssss 3 2 About Nortel Networks FDDI Media 1 orta eaa acera t ee e n ci a ona 3 3 Enabling or Disabling a FDDI Interface FREUD M Sere eerie retinue eee Enabling or Disabling Baik Messages Laus Rp Rn nEU d RA REC RI Y Dd VEU RA ERAS 3 4 esum the BON IDEST uiuunt toe dau bak Eepm td au a Rd Eus ER DL uu 3 6 Enabling or Disabling Hardware Fiering iuesceccisse crece rer ce can sapra cceap rra esa Pha pe ke Rasa pas 3 7 Editing FOD SMT ABIDE senio eripi Hop ei ep POLES Er pe ae ie 3 8 Specifying the SMT Connection Policy gisele TEN T enon Riau oe Specifying the Neighbor Notification I
2. 3 18 308623 14 00 Rev 00 Configuring FDDI Services Editing FDDI Path Attributes FDDI nodes exchange frames using the Timed Token Protocol TTP The TTP defines how the token target rotation time TTRT is set the length of time a node can hold the token and how a node initializes the ring Each node is responsible for monitoring the integrity of the ring By using a minimum valid transmission timer TVX nodes can detect a break in ring activity If the interval between token receptions exceeds the value of the TVX the node reports an error condition and initiates the claim process to restore ring operation The TTRT carried in claim frames issued by the FDDI station are known as path attributes Figure 3 2 illustrates their relationship TVX lower bound Requested TTRT T_Max lower bound gt lt gt Oms 2 5ms 1336 9344 ms LS0015A Figure 3 2 Range of Values for FDDI Path Attributes You can set FDDI path attributes by e Specifying the minimum TVX e Specifying the maximum TTRT e Specifying the requested TTRT 308623 14 00 Rev 00 3 19 Configuring Ethernet FDDI and Token Ring Services Specifying the Minimum TVX The minimum TVX must be Greater than 0 Less than the requested TTRT value By default the minimum TVX is 2 5 ms See Figure 3 2 on page 3 19 for the range of values for TVX lower bound in relation to the other TTRT parameters To set the minimum TVX complete the f
3. You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a TOKEN Connector 2 Choose Edit Line The Edit Token Ring Parameters window opens 3 Setthe Speed parameter Click on Help or see the parameter description on page A 27 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 4 6 308623 14 00 Rev 00 Configuring Token Ring Services Enabling or Disabling Early Token Release Early token release indicates that the token can return to the ring before the recipient copies all data By default Site Manager enables early token release on an interface You can disable or enable early token release on an interface only when the ring speed is 16 Mb s To enable or disable early token release complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a TOKEN Connector 2 Choose Edit Line The Edit Token Ring Parameters window opens 3 Set the Early Token Release parameter Click on Help or see the parameter description on page A 27 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 4 7 Chapter 5 Configuring 802 1Q Tagging This chapter provid
4. 2 2 308623 14 00 Rev 00 Configuring Ethernet Services The following sections describe proprietary features of Nortel Networks Fast Ethernet router services and provide hints and notes for operation 100BASE T Media Each Nortel Networks 1OOBASE T router port provides two physical connectors for LAN media Media dependent interface MDI RJ 45 connector to integral transceiver Media independent interface MII DB 40 connector to an external transceiver The connector you use determines the supported features of 100BASE TX and 100BASE FX operation Table 2 2 Table 2 2 100BASE T Features Automatic Line Congestion Operation Cabling Physical Interface Negotiation Full Duplex Control 100BASE TX Category 5 RJ 45 connector Supported Supported Supported MDI unshielded twisted pair UTP copper 100BASE FX Multimode DB 40 connector to Not supported Supported Not supported MII fiber optic external transceiver 100BASE TX UTP DB 40 connector to Supported Not supported Not supported MII external transceiver The current implementation of the Ethernet standard does not address full duplex operation or congestion control these are proprietary features 100BASE T Packet Size When using the 100BASE T link module larger packet sizes yield better performance than smaller packet sizes In general you should configure your application to use the largest packet size p
5. Transmit Multicast Receive Number of octets received without error Number of octets transmitted without error Number of frames received without error Number of frames transmitted without error Average packet size number of bytes divided by number of frames received without error Average packet size number of bytes divided by number of frames transmitted without error Number of packets received that are not unicast packets B 22 308623 14 00 Rev 00 BCC show Commands show fddi summary The show fddi summary command displays the current configuration for all FDDI circuits or a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Admin State HW Address Operational State Total Time Up Down Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line Configured state of the FDDI interface Up or Down Line s physical address The driver assigns this address State of the line driver Down Init initializing Not Present enabled but not yet started or Up
6. interface line speed 2 12 Interface Line Speed parameter A 14 interface defined Glossary 1 L LAN Ethernet 2 2 FDDI 3 3 token ring 4 2 LER FDDI alarm rate 3 24 cutoff 3 23 line defined Glossary 1 logical Glossary 1 line advertising configuring for I00BASE T 2 13 line speed configuring for 1OOBASE T 2 12 Logical Link Control LLC FDDI 3 18 308623 14 00 Rev 00 MAC address token ring override 4 4 source 4 5 maximum TTRT FDDI 3 21 media Ethernet 2 2 FDDI 3 3 token ring 4 2 minimum TVX FDDI 3 20 N neighbor information frames NIFs FDDI 3 11 neighbor notification FDDI SMT 3 11 P packet size 100BASE T 2 3 parameters line service defined Glossary 1 list of A 1 port defined Glossary 1 product support xvii propagation expiration FDDI SMT 3 13 protocol data units PDUs FDDI 3 18 Protocol Type hex parameter A 30 publications hard copy xvii R receive queue length 2 11 3 25 requested TTRT FDDI 3 22 ring speed token ring 4 6 router redundancy BofL configuration 2 5 S show commands B 1 show ethernet alerts command B 3 show ethernet all command B 5 308623 14 00 Rev 00 show ethernet auto neg command B 4 show ethernet errors command B 6 show ethernet flow control command B 8 show ethernet sample command B 9 show ethernet stats command B 10 show ethernet summary command B 11 show fddi alerts command B 13 show fddi al
7. MAC being managed is participating in ring recovery and the ring is not operational RingOp MAC being managed is part of an operational FDDI ring Detect Ring has not been operational for a certain period of time In this state RMT detects duplicate addresses a condition that prevents ring operation NonOpDup MAC under control is a duplicate of another MAC on the ring The ring is not operational in this state RingOpDup MAC under control is a duplicate of another MAC on the ring The ring is operational in this state Directed RMT has instructed the MAC it is controlling to send beacon frames notifying the ring of a stuck condition Beacon frames indicate that the interface does not see the token and that this condition should be transient If this state persists contact your Bay Networks Technical Solutions Center Trace RMT has initiated the trace function Number of times the ring has entered the Ring Operational state from the Ring Not Operational state This count is updated when there is a change in the state but does not have to be exact 308623 14 00 Rev 00 Configuring Ethernet FDDI and Token Ring Services show fddi port The show fddi port command displays FDDI port attributes This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt Slot lt s ot gt lt circuit_name gt Displays information about the specified circuit onl
8. Specifies the speed of the token ring media If you select 16 Mb s the router enables the Early Token Release protocol which is used extensively on 16 Mb s media In the unlikely event that you want to disable early token release over 16 Mb s token ring media you can do so with the Early Token Release parameter Enter the ring speed 1 3 6 1 4 1 18 3 4 2 1 11 Early Token Release Configuration Manager gt TOKEN Connector gt Edit Line gt Edit Token Ring Parameters Enable Enable Disable Indicates whether the token can return to the ring before the recipient copies all data This parameter is valid only when you set the Speed parameter to 16 Mb s Accept the current value 1 3 6 1 4 1 18 3 4 2 1 12 308623 14 00 Rev 00 A 27 Configuring Ethernet FDDI and Token Ring Services 802 1Q Parameters The Edit VLAN Interface Parameters window Figure A 8 allows you to enable the 802 1Q tagged circuit enter a name for the VLAN and provide a unique identifier for the VLAN Enable Disable ENABLE VLAN Name Global VLAN ID Virtual Port Type TAGGER Protocol Type hex Figure A 8 Edit VLAN Interface Parameters Window A 28 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Para
9. You set the status word value to reflect local connection policies Setting a particular connection policy does not necessarily mean that the station will reject the connection The SMT standard requires that both sides of the connection must agree to reject or else both sides must accept the connection Note The SMT standard requires that you set bit 15 rejectM M to 1 308623 14 00 Rev 00 3 9 Configuring Ethernet FDDI and Token Ring Services Table 3 2 lists the powers and the bits for each policy range Table 3 2 SMT Connection Policy Values Power Power Policy Bit Number Policy Bit Number rejectA A 0 rejectS A 8 rejectA B 1 rejectS B 9 rejectA S 2 rejectS S 10 rejectA M 3 rejectS M 11 rejectB A 4 rejectM A 12 rejectB B 5 rejectM B 13 rejectB S 6 rejectM S 14 rejectB M 7 rejectM M 15 Figure 3 1 shows the default connection policy status word OxFF65 Bit 15 Bit 0 alfil lolio fol Represents OxFF65 Accept A B Accept A M Accept B A p Accept B M LS0001A Figure 3 1 Default Connection Policy Status Word Using the BCC To set the SMT Connection Policy access an existing FDDI line service and enter reject policy ega value legal value is any of the values listed in Table 3 2 3 10 308623 14 00 Rev 00 Configuring FDDI Services For example to set the SMT connection policy enter the following command sequence box fddi s
10. 3 17 V valid transmission timer TV X FDDI 3 19 virtual LANs See VLANs Virtual Port Type parameter A 30 VLAN Name parameter A 29 A 30 VLANs described 5 2 inter VLAN traffic 5 3 intra VLAN traffic 5 3 See also 802 1Q tagging Index 4 308623 14 00 Rev 00
11. Table 3 2 SMT Connection Policy Values TA T teehee Scene 3 10 Table 4 1 Token Ring Configuration TASKS ccce eoe sede pt ere tee retenti 4 2 308623 14 00 Rev 00 xi Preface This guide describes Ethernet FDDI and token ring services and what you do to start and customize these services on a Nortel Networks router You can use the Bay Command Console BCC or Site Manager to configure Ethernet FDDI and token ring services on a router In this guide you will find instructions for using both the BCC and Site Manager Before You Begin Before using this guide you must complete the following procedures For a new router e Install the router see the installation guide that came with your router Connect the router to the network and create a pilot configuration file see Quick Starting Routers Configuring BayStack Remote Access or Connecting ASN Routers to a Network Make sure that you are running the latest version of Nortel Networks BayRS and Site Manager software For information about upgrading BayRS and Site Manager see the upgrading guide for your version of BayRS 308623 14 00 Rev 00 xiii Configuring Ethernet FDDI and Token Ring Services Text Conventions This guide uses the following text conventions angle brackets lt gt Indicate that you choose the text to enter based on the description inside the brackets Do not type the brackets when entering the command
12. The Not Present state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration If the line is not up Operational State does not equal Up then three dashes appear If the line is up Operational State equals Up then the value appears in the form hhhmmmsss where hh is hours mm is minutes and ss is seconds For example the value might appear as 5h31m05s If the value is greater than 24 hours it appears in the form dadhhhmmm where dd is days hh is hours and mm is minutes For example the value might appear as 2d10h15m continued 308623 14 00 Rev 00 B 23 Configuring Ethernet FDDI and Token Ring Services Errors MTU Total number of receive transmit and system errors see Show fddi errors for greater detail This value also includes Port operation error events e SMT receive ring error events e LLC SMT transmit ring error events Host error events MTU size for frames on this line show token ring alerts The show token ring alerts command displays all token ring modules that are enabled but not up Use this display to identify interfaces that are not working This command allows for the following command filters flags and filter arguments circuit circuit name Slo
13. 1 4 1 18 3 4 15 3 3 1 6 308623 14 00 Rev 00 A 23 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Requested TTRT ms Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Path Attributes gt FDDI Path Attributes 165 Variable This value in milliseconds must be greater than the value specified for the TVX Lower Bound ms parameter and less than or equal to the value specified for the T_Max Lower Bound ms parameter Specifies the target token rotation time carried in claim frames issued by the FDDI station Accept the default of 165 ms or enter a new value in milliseconds 1 3 6 1 4 1 18 3 4 4 1 32 LER Cutoff Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Port Attributes gt FDDI Port Attributes 7 4to 15 Specifies the link error rate estimate at which a link connection is broken It ranges from 10 to 10 5 and is reported as the absolute value of the base 10 logarithm Accept the default value of 7 or specify a new value 1 3 6 1 4 1 18 3 4 15 4 3 1 17 LER Alarm Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expe
14. Any valid 48 bit MAC level address Assigns a user specified MAC address If you want the router to generate the MAC address for this token ring interface ignore this parameter If you want to specify a MAC address for example to avoid host number conflicts on a directly connected IPX or XNS network enter the 48 bit MAC address in MSB format that is enter Ox followed by 12 hexadecimal digits If you enter a MAC address with this parameter you must set the MAC Address Select parameter to CNFG 1 3 6 1 4 1 18 3 4 2 1 9 MAC Address Select Configuration Manager gt TOKEN Connector gt Edit Line gt Edit Token Ring Parameters PROM BOXWIDE PROM CNFG Determines the source of the MAC address Enter BOX WIDE if you want the token ring interface to use a MAC address that the software generates from the router s serial number Enter PROM if you want the token ring interface to use a MAC address from programmable read only memory on the token ring link module Enter CNFG if you explicitly assigned a MAC address with the MAC Address Override parameter 1 3 6 1 4 1 18 3 4 2 1 10 A 26 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Speed Configuration Manager gt TOKEN Connector gt Edit Line gt Edit Token Ring Parameters 16 16 Mb s 4 Mb s
15. CD Parameters window opens Set the Interface Line Speed parameter to Auto Negotiation Click on Help or see the parameter description on page A 8 Click on OK The Auto Negotiation Configuration window opens Click on Configure Line Capabilities The Auto Neg Advertising Capabilities window opens Set the Line Advertising Capabilities parameter Click on Help or see the parameter description on page A 9 Click on OK You return to the Auto Negotiation Configuration window 8 Click on Done You return to the Edit Connector window 9 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 2 13 Configuring Ethernet FDDI and Token Ring Services Enabling Ethernet Flow Control Ethernet flow control allows you to temporarily stop a remote station from sending packets to prevent packet loss in a congested system Ethernet flow control is supported on BN platforms for the following boards e Quad 100BASE TX e Quad 100BASE FX e Gigabit Ethernet SX e Gigabit Ethernet LX The Nortel Networks implementation of flow control uses MAC control frames These frames have a unique value of 8808H in the length type field They differ from typical Ethernet packets in that the data field consists of an opcode field and a parameter field The opcode field contains the opcode command Pause the parameter field defines the pause time When the receive station dete
16. Connector gt Edit Line Disable the default changes to Enable when while adding the circuit you reply OK to the prompt Do you want to enable Hardware Filters on this circuit Enable Disable Enables filtering hardware in the link or net module to drop local frames at the interface instead of copying them into system memory Enabling hardware filters improves bridging software performance because router resources are not used to receive and reject local frames Set to Enable only if you enabled the bridge software and the link or net module has hardware filters 1 3 6 1 4 1 18 3 4 1 1 29 308623 14 00 Rev 00 A 5 Configuring Ethernet FDDI and Token Ring Services 100 Mb s CSMA CD Line Parameters The Edit 100 Mb s CSMA CD Parameters window Figure A 2 allows you to enable BofL and specify line speed for the dual 100BASE T module Enable BOFL Enable ENRBLE BOFL Timeout BOFL Retries BOFL Timeout Divisor Interface Line Speed 100BRSE X Figure A 2 Edit 100Mb s CSMA CD Parameters Window Parameter Enable Path Configuration Manager gt XCVR Connector gt Edit Line Default Enable Options Enable Disable Function Enables or disables this Ethernet line Instructions Select Enable or Disable MIB Object ID 1 3 6 1 4 1 18 3 4 1 1 2 A 6 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instruc
17. DFARS 252 227 7013 Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction and disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Statement of Conditions In the interest of improving internal design operational function and or reliability Nortel Networks NA Inc reserves the right to make changes to the products described in this document without notice Nortel Networks NA Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product may be Copyright 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use acknowledge that such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS
18. FDDI Path Attributes window opens 5 Setthe T Max Lower Bound ms parameter Click on Help or see the parameter description on page A 23 6 Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 3 21 Configuring Ethernet FDDI and Token Ring Services Specifying the Requested TTRT The requested TTRT value must be Greater than the minimum TVX Less than or equal to the maximum TTRT Caution Be extremely careful when editing FDDI path parameters such as Requested TTRT Change the default values only if the network is part of a production or other specialized environment that requires customizing the parameters Refer to Figure 3 2 on page 3 19 for the valid range of values for requested TTRT in relation to the other TTRT values To set the requested TTRT value complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose Path Attributes 5 Setthe Requested TTRT ms parameter Click on Help or see the parameter description on page A 24 The FDDI
19. Multicast Receive BCC show Commands Number of packets received that are not unicast packets show ethernet summary The show ethernet summary command displays the current configuration for all Ethernet circuits or a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt Slot lt s ot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Admin State HW Address Operational State Slot location of the Ethernet module within the chassis and the connector number Name of the circuit associated with this line Configured state of the Ethernet interface Up or Down Line s physical address The driver assigns this address State of the line driver Down Init initializing Not Present enabled but not yet started or Up The Not Present state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration continued 308623 14 00 Rev 00 Configuring Ethernet FDDI and Token Ring Services Total Time Up Down Errors
20. OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties ii 308623 14 00 Rev 00 Nortel Networks NA Inc Software License Agreement NOTICE Please carefully read this license agreement before copying or using the accompanying software or installing the hardware unit with pre enabled software each of which is referred to as Software in this Agreement BY COPYING OR USING THE SOFTWARE YOU ACCEPT ALL OF THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT THE TERMS EXPRESSED IN THIS AGREEMENT ARE THE ONLY TERMS UNDER WHICH NORTEL NETWORKS WILL PERMIT YOU TO USE THE SOFTWARE If you do not accept these terms and conditions return the product unused and in the original shipping container within 30 days of purchase to obtain a credit for the full purchase price 1 License Grant Nortel Networks NA Inc Nortel Networks grants the end user of the Software Licensee a personal nonexclusive nontransferable license a to use the Software either on a single computer or if applicable on a single authorized device identified by host ID for which it was originally acquired b to copy the Software solely for bac
21. Path Attributes window opens Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window 3 22 308623 14 00 Rev 00 Editing FDDI Port Attributes Configuring FDDI Services Port attributes report the connection capabilities of a FDDI port including the link error rate LER A status report frame SRF can contain link error monitoring LEM status indicating the number of times that a link has been rejected This is used to keep track of the link error rate LER You can configure the LER by Specifying the LER cutoff Specifying the LER alarm rate Specifying the LER Cutoff The LER cutoff is an estimate at which a link connection will be broken The LER cutoff ranges from 10 to 1015 and is reported as the absolute value of the base 10 logarithm By default the LER cutoff is 107 To set the LER cutoff complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens Choose Edit Line The Edit FDDI Parameters window opens Choose Expert The FDDI Advanced Attributes window opens 4 Choose Port Attributes The FDDI Port Attributes window opens 5 Set the LER Cutoff parameter Click on Help or
22. apart from the Software to reconstruct lost or altered files data or programs 4 Limitation of liability IN NO EVENT WILL NORTEL NETWORKS OR ITS LICENSORS BE LIABLE FOR ANY COST OF SUBSTITUTE PROCUREMENT SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES RESULTING FROM INACCURATE OR LOST DATA OR LOSS OF USE OR PROFITS ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF THE SOFTWARE EVEN IF NORTEL NETWORKS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT SHALL THE LIABILITY OF NORTEL NETWORKS RELATING TO THE SOFTWARE OR THIS AGREEMENT EXCEED THE PRICE PAID TO NORTEL NETWORKS FOR THE SOFTWARE LICENSE 5 Government Licensees This provision applies to all Software and documentation acquired directly or indirectly by or on behalf of the United States Government The Software and documentation are commercial products licensed on the open market at market prices and were developed entirely at private expense and without the use of any U S Government funds The license to the U S Government is granted only with restricted rights and use duplication or disclosure by the U S Government is subject to the restrictions set forth in subparagraph c 1 of the Commercial Computer Software Restricted Rights clause of FAR 52 227 19 and the limitations set out in this license for civilian agencies and subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause of DFARS 252 227 7013 for ag
23. contain both destination and source MAC addresses that the router has learned on the interface Bridge software teaches the hardware filter which MAC addresses are local to an interface Enabling hardware filtering improves bridging software performance since the router software does not need to determine whether to receive and reject local frames You can enable or disable hardware filtering on an interface Enable hardware filtering only if the Ethernet link module has hardware filters and you enabled bridge software 308623 14 00 Rev 00 2 9 Configuring Ethernet FDDI and Token Ring Services Using the BCC To enable hardware filtering access an existing Ethernet line service and enter hardware filter enable To disable hardware filtering access an existing Ethernet line service and enter hardware filter disable For example to enable hardware filtering enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 1 hardware filter enable Using Site Manager To enable or disable hardware filtering complete the following tasks Site Manager Procedure You do this System responds 1 Inthe Configuration Manager window The Edit Connector window opens choose an XCVR Connector 2 Choose Edit Line The Edit CSMA CD Parameters window opens 3 Set the Hardware Filter parameter Click on Help or see the parameter description on page A 5 4 Click on OK You return to the Edit C
24. enable BofL messages on an interface 308623 14 00 Rev 00 2 5 Configuring Ethernet FDDI and Token Ring Services Using the BCC To enable BofL messages on an Ethernet interface access an existing Ethernet line service and enter bofl enable To disable BofL messages on an Ethernet interface access an existing Ethernet line service and enter bofl disable For example to enable BofL messages enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 1 bofl enable Using Site Manager To enable or disable BofL messages complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose an XCVR Connector 2 Choose Edit Line The Edit CSMA CD Parameters window opens 3 Set the BofL Enable parameter Click on Help or see the parameter description on page A 3 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window Setting the BofL Timeout With BofL enabled a network timeout will occur if five periods elapse without a successful BofL message transmission When timeout occurs the router automatically disables and reenables the Ethernet interface For example if you set the BofL timeout interval to 10 seconds the interface must successfully transmit a BofL message within 50 seconds 2 6 30
25. in Table 2 3 Table 2 3 BCC Flow Control Parameters Parameter Variable Description fc pause time lt pause_time gt This variable lets you calculate the total time a transmitter pauses For example when a transmitter receives a pause frame it pauses for pause_time 512 bit times The value 512 bit times converts to 51 2 ms for 10 Mb s 5 12 ms for 100 Mb s and 512 ns for Gigabit Therefore if the pause time is 65535 and the line speed is 100 Mb s then the transmitter pauses for 335 54 ms 65535 5 12 ms pause zero enable s ate This variable lets you enable or disable the ability of a congested receiver to send a pause frame with a pause time of 0 when the receiver is no longer congested When the remote transmitter receives a pause frame with a 0 pause time it resumes sending packets For example to specify a transmitter pause time of 65535 enter the following commands ethernet 2 1 fc pause time 65535 ethernet 2 1 pause zero enable enable ethernet 2 1 2 16 308623 14 00 Rev 00 Using Site Manager Configuring Ethernet Services To enable flow control complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose an XCVR Connector The Edit Connector window opens 2 Choose Edit Line The Edit 10 100MB s Ethernet Parameters window or the Edit 1000 Mb s Ethernet Parameters window ope
26. is attached to the status information frames SIFs Enter up to 32 alphanumeric characters 1 3 6 1 4 1 18 3 4 15 1 3 1 8 Status Report Protocol Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt SMT Attributes gt FDDI SMT Attributes Enable Enable Disable Specifies whether the node will generate Status Report Frames SRFs for its implemented events for example high bit errors topology changes trace status events MAC frame error condition port LER condition and MAC duplicate address condition Accept the default Enable if you want the node to generate SRFs specify Disable if you do not want the node to generate SRFs We recommend using Enable to ensure that your FDDI network is ANSI compliant 1 3 6 1 4 1 18 3 4 15 1 3 1 14 Trace Max Expiration ms Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt SMT Attributes gt FDDI SMT Attributes 7000 6001 to 256000 milliseconds Specifies the maximum propagation time for a trace on an FDDI topology Enter a value from 6001 to 256000 We recommend accepting the default value of 7000 milliseconds 7 seconds 1 3 6 1 4 1 18 3 4 15 1 3 1 15 308623 14 00 Rev 00 A 21 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instruction
27. on Done You return to the Configuration Manager window Enabling or Disabling BofL Messages With BofL enabled the router sends polling messages from this interface to all systems on the local network BofL messages signify that the FDDI interface is up and functioning normally when there is no data traffic If the link becomes unavailable and both this parameter and the LLC Data Enable parameter are enabled the router disables the LLC interface after the time you specify using the BofL Timeout parameter When you set this parameter to Disable the router disables the Logical Link Control LLC interface immediately after the link becomes unavailable By default BofL messages are enabled when you add the circuit You can disable and reenable BofL messages on a FDDI interface 308623 14 00 Rev 00 Configuring FDDI Services Using the BCC To enable BofL on a FDDI interface access an existing FDDI line service and enter bofl enable To disable BofL on a FDDI interface access an existing FDDI line service and enter bofl disable For example to enable BofL on a FDDI interface enter the following command sequence box fddi slot 11 connector 1 fddi 11 1 bofl enable Using Site Manager To disable or reenable BofL messages on a FDDI interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window open
28. specify a value from 32 to 65535 1 3 6 1 4 1 18 3 4 1 1 67 Transmit Pause Zero Enable Configuration Manager gt XCVR Connector gt Edit Line Enable Enable Disable Enables or disables the ability of a congested receiver to send a pause frame with a pause time of 0 when it is no longer congested When the remote transmitter receives a pause frame with a 0 pause time it resumes sending packets Accept the default Enable if you want a congested receiver to send a pause frame with a pause time of 0 when it is no longer congested Choose Disable if you do not want a congested receiver to send a pause frame with a 0 pause time 1 3 6 1 4 1 18 3 4 1 1 68 308623 14 00 Rev 00 Configuring Ethernet FDDI and Token Ring Services Parameter Line Advertising Capabilities Path Configuration Manager gt XCVR Connector Gigabit Ethernet SX and LX and Quad 100Base TX gt Edit Line gt Edit Ethernet Parameters gt Interface Line Speed parameter Auto Negotiation gt OK gt Configure Line Capabilities Default 11111 for Quad 100Base TX 000011 for Gigabit Ethernet SX and LX Options 11111 10000101000 I 00100 00010 00001 00000 for Quad 100Base TX 000011 000010 000001 for Gigabit Ethernet SX and LX Function Specifies the line configurations available to remote nodes that have automatic line negotiation capability Instructions Select the code for the desired line advertising For Quad 100Base TX select No advert
29. time it takes the router to declare an interface down 1 3 6 1 4 1 18 3 4 1 1 59 308623 14 00 Rev 00 A 7 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID BofL Timeout Divisor Configuration Manager gt XCVR Connector gt Edit Line 1 10 if router redundancy is enabled 1 to 100 The time between BofL transmissions is the value of the BofL Timeout parameter divided by the value of the BofL Timeout Divisor parameter When BofL Timeout Divisor is set to the default value of 1 it has no effect on the value of BofL Timeout Setting BofL Timeout Divisor to a value greater than 1 reduces the BofL timeout period Accept the default or enter a number from 1 to 100 1 3 6 1 4 1 18 3 4 1 1 60 Interface Line Speed Configuration Manager gt XCVR Connector gt Edit Line 100Base X Auto Negotiation 100Base X 100Base X Full Duplex 100Base X FD w flow control Specifies the configured line speed and duplex setting for the selected interface or enables automatic line negotiation To enable automatic line negotiation select Auto Negotiation To configure a specific line speed select one of the following 100Base X 100Base X Full Duplex 100Base X FD w flow control Selecting a specific line speed disables Auto Negotiation 1 3 6 1
30. to 1518 bytes in length four bytes larger than the maximum packet size specified by Ethernet Consequently for frames on which 802 1Q tagging is enabled BayRS accepts such outsized frames Router Processing of Tagged Frames 802 1Q tagging is supported only on 100BASE T interfaces that connect the Nortel Networks router to an 802 1Q compliant switch or routing switch With 802 1Q tagging enabled the physical connection between the router and the adjacent device supports multiple virtual connections The number of connections is equal to the number of virtual connections plus a default physical connection that provides transit services for other non VLAN traffic that may be received from or forwarded to the adjacent device Upon receipt of a frame across a virtual connection a circuit manager strips the four bytes of 802 1Q header information and directs a now standard Ethernet frame to a connection specific routing process The routing process consults its forwarding table and in turn directs the frame to a circuit manager handling the next hop connection If that connection is a non tagged non virtual connection processing is completed as for any other standard Ethernet frame However if the next hop connection is a tagged virtual connection the circuit manager inserts the four bytes of 802 1Q header information that identify that VLAN into the standard Ethernet header After performing the 802 1Q encapsulation the circuit manager
31. 10 Figure 3 2 Range of Values for FDDI Path Attributes sse 3 19 aiit VLAN Nolo e 5 2 Figure 5 2 Connecting VLANs Using a Router ssseeeeeene D74 Figure 5 8 Connecting VLANs Using 802 1Q Tagging TEN sobria Retains re Piu 6 4 JIEBESUSTO TAGGING cccccecudintics abren ERE tatus e tienes 5 6 Figure A 1 Edit CSMA CD Parameters Window ssseeeen A 2 Figure A 2 Edit 100Mb s CSMA CD Parameters Window ee A 6 Figure A 3 Edit 10 100Mb s Ethernet Parameters Window for the T00Base TX MOWING ssateto dicit uen Vinaet ec Vide pER unge peu T Let pH Uu Sa es A 10 Figure A 4 Edit 10 100Mb s Ethernet Parameters Window tor the 100Base FX Module mice terit nn rtt tn ki gea caia A 11 Figure A 5 Edit 1000Mb s Ethernet Parameters Window seeess A 12 Figure A 6 Edit FDDI Parameters Window eeeseeseeeeeeeeeee nennen A 17 Figure A 7 Edit Token Ring Parameters Window ere T utii A 25 Figure A 8 Edit VLAN Interface Parameters Window sees A 28 308623 14 00 Rev 00 ix Tables Table 2 1 Ethernet COIIDUFBUDE ASKS 11 don dea iere nit obire GU ade alienate 2 2 Table 2 2 TOOBASE T I Ic RN 2 3 Table 2 3 BCC Flow Control PaSPQImaelel iocos eat oce Rae ini a cin aa 2 16 Table 3 1 FODDI Corie TAERE a soeben paa dad ig dct ag dE Ho End 3 2
32. 12 Flow Control Enable 2 17 A 14 Flow Control Pause Time 2 17 A 15 Hardware Filter 2 9 A 5 Interface Line Speed 2 12 A 8 Line Advertising Capabilities 2 13 A 9 A 16 Transmit Pause Zero Enable 2 17 A 15 Index 1 FDDI MAC LLC 3 18 overview 3 3 parameters BofL Enable A 18 BofL Timeout A 18 Connection Policy A 20 Duplicate Address Protocol A 22 Enable A 17 Hardware Filter A 19 LER Alarm A 24 LER Cutoff A 24 LLC Data Enable A 22 Requested TTRT ms A 24 Status Report Protocol A 21 T Max Lower Bound ms A 23 T Notify Timeout s A 20 Trace Max Expiration ms A 21 TVX Lower Bound ms A 23 User Data A 21 path attributes figure 3 19 maximum TTRT 3 21 minimum TVX 3 20 requested TTRT 3 22 port attributes LER alarm 3 24 LER cutoff 3 23 protocol data units PDUs 3 18 ring maintenance 3 19 SMT connection policy values 3 10 duplicate addressing 3 15 neighbor notification interval 3 11 overview 3 8 propagation expiration time 3 13 status report frames SRFs 3 14 user data 3 17 standards MAC 3 18 SMT 3 8 status report frames SRFs 3 14 Index 2 flow control defined Glossary 1 enabling using Site Manager 2 14 using the BCC 2 14 Flow Control Enable parameter A 14 A 29 A 30 Flow Control Pause Time parameter A 15 G Global VLAN Id parameter A 29 A 30 H hardware filtering Ethernet 2 9 FDDI 3 7 IEEE 802 1Q 5 5 See also 802 1Q tagging
33. 2 is inefficient for both the router and the VLAN device because it requires a dedicated port for each VLAN In network topologies that support multiple VLANs the costs for dedicated ports may be prohibitive Engineering IP VLAN VLAN device Sales IP VLAN Marketing IP VLAN Traffic flow Dedicated VLAN specific untagged ports Router SN0020A Figure 5 2 Connecting VLANs Using a Router 5 4 308623 14 00 Rev 00 Configuring 802 1Q Tagging In contrast Figure 5 3 depicts a topology in which the same three VLANs share a common connection to the adjacent router This common connection is enabled by a packet encapsulation format specified in IEEE 802 1Q Draft Standard for Virtual Bridged Local Area Networks This packet encapsulation format is referred to as 802 1Q tagging Engineering IP VLAN VLAN device Marketing IP VLAN Traffic flow all protocol VLAN Single untagged port serves the Marketing and Sales VLANs SN0021A Figure 5 3 Connecting VLANs Using 802 1Q Tagging 308623 14 00 Rev 00 5 5 Configuring Ethernet FDDI and Token Ring Services 802 1Q Tagging 802 1Q tagging enables multiple VLANs to share a common connection to a router The router provides layer 3 routing services for the VLAN clients The router may provide standard routing services that is directing received frames toward a remote de
34. 29 6 Click on OK The Edit VLAN Interface Parameters window opens Note that 802 1Q tagged circuits are displayed with a Vn extension continued 5 8 308623 14 00 Rev 00 Configuring 802 1Q Tagging Site Manager Procedure continued You do this System responds 7 Select the 802 1Q tagged circuit that you are adding Set the Protocol Type hex parameter Retain the default value for connection to Nortel Networks 802 1Q enabled devices 8 Click on Apply and Done You return to the Configuration Manager window To add IP routing to the 802 1Q tagged circuit 9 Choose Circuits 10 Choose Edit Circuits The Circuit List window opens 11 Select the 802 1Q tagged circuit Note that 802 1Q tagged circuits are displayed with a Vn extension 12 Click on Edit The Circuit Definition window opens 13 Choose Protocols 14 Choose Add Delete The Select Protocols window opens 15 Select IP and click on OK The IP Configuration window opens 16 Enter an IP address and subnet mask and The Circuit Definition window opens click on OK 17 Choose File 18 Choose Exit The Circuit List window opens 19 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 5 9 Configuring Ethernet FDDI and Token Ring Services Adding a Tagged Circuit to an Existing 100BASE T Interface To add an 802 1Q tagged circuit to an
35. 3 5 1 12 6 1 1 1 6 Protocol Type hex Configuration Manager gt Protocols gt VLAN gt Interfaces 33024 8100 hexadecimal Any integer value Specifies the contents of the TPID field in 802 1Q encapsulated frames originated by this VLAN Enter in decimal notation the TPID value that was assigned to the VLAN when it was initially configured on the adjacent layer 2 device This value must match the one assigned during the initial VLAN configuration 1 3 6 1 4 1 18 3 5 1 12 6 1 1 1 8 A 30 308623 14 00 Rev 00 Appendix B BCC show Commands This appendix describes how to use the BCC show command to obtain Ethernet FDDI and token ring statistical data from the management information base MIB The type and amount of data displayed depend on the specific settings you want to view This appendix includes descriptions of the following show commands Command Page show ethernet alerts B 3 show ethernet auto neg B 4 show ethernet detail B 5 show ethernet errors B 6 show ethernet flow control B 8 show ethernet sample B 9 show ethernet stats B 1 show ethernet summary B 11 show fddi alerts B 13 how fddi il B 14 show fddi errors B 15 show fddi mac B 16 show fddi port B 18 show fddi sample B 20 show fddi stats B 21 show fddi summary B 23 show token ring alerts B 24 continued 308623 14 00 Rev 00 B 1 Configuring Ethernet FDDI and Token R
36. 4 1 18 3 4 16 1 1 4 A 8 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Line Advertising Capabilities Configuration Manager gt XCVR Connector gt Edit Line gt Edit CSMA CD Parameters gt Interface Line Speed parameter Auto Negotiation gt OK gt Configure Line Capabilities 0000 0000 1000 0100 1 0010 0001 1111 Specifies the line configurations available to remote nodes that have automatic line negotiation capability Select the code for the desired line advertising No advertising 0000 e 10Base T 1000 e 10Base T full duplex only 0100 100Base TX 0010 e 100Base TX full duplex only 0001 e All advertising 1111 1 3 6 1 4 1 18 3 4 16 1 1 9 308623 14 00 Rev 00 A 9 Configuring Ethernet FDDI and Token Ring Services 10 100 Mb s and 1000 Mb s Ethernet Parameters The Edit Ethernet Parameters windows Figure A 3 Figure A 4 and Figure A 5 allow you to enable BofL specify line speed and enable flow control for Ethernet lines Figure A 3 is for the Quad 100Base TX module Figure A 4 is for the Quad 100Base FX module Figure A 5 is for the Gigabit Ethernet SX and Gigabit Ethernet LX modules Enable BOFL Enable ENABLE BOFL Timeout 5 Interface Line Speed AUTO NEGOTIATION Flow Control Enable ENABLE Flow Control Pause Time Transmit Pause Zero Enable ENABLE Figure A 3 Edit 10 100Mb s
37. 8623 14 00 Rev 00 Configuring Ethernet Services The BofL timeout interval is 5 seconds by default You can change the interval of BofL messages to a value from to 60 seconds Using the BCC To change the interval of BofL messages on an Ethernet interface access an existing Ethernet line service and enter bofl timeout integer integer is the timeout value expressed in seconds You can enter any integer value from 1 to 60 For example to set the timeout value to 10 seconds enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 14 bofl timeout 10 Using Site Manager To change the interval of BofL messages complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose an XCVR Connector 2 Choose Edit Line The Edit CSMA CD Parameters window opens 3 Setthe BofL Timeout parameter Click on Help or see the parameter description on page A 3 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window Note In Site Manager the BofL Timeout parameter is valid only if you set the BofL Enable parameter to Enable 308623 14 00 Rev 00 2 7 Configuring Ethernet FDDI and Token Ring Services Setting BofL Retries By default the router makes five attempts to transmit a BofL message be
38. Attributes The FDDI SMT Attributes window opens 5 Set the Duplicate Address Protocol parameter Click on Help or see the parameter description on page A 22 6 Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window 3 16 308623 14 00 Rev 00 Entering User Data Configuring FDDI Services You can enter up to 32 alphanumeric characters of site specific information to be attached to the status information frames SIFs on this interface To enter information to be attached to the SIFs on this interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens Choose Edit Line The Edit FDDI Parameters window opens Choose Expert 4 Choose SMT Attributes The FDDI Advanced Attributes window opens The FDDI SMT Attributes window opens 5 Set the User Data parameter Click on Help or see the parameter description on page A 21 Click on OK 7 Click on Done You return to the FDDI Advanced Attributes window You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 3 17 Configu
39. BayRS Version 14 00 Part No 308623 14 00 Rev 00 September 1999 4401 Great America Parkway Santa Clara CA 95054 Configuring Ethernet FDDI and Token Ring Services NORTEL NETWORKS Copyright 1999 Nortel Networks All rights reserved Printed in the USA September 1999 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Nortel Networks NA Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Trademarks NORTEL NETWORKS is a trademark of Nortel Networks Bay Networks AN BN and FRE are registered trademarks and Advanced Remote Node ARN ASN BayRS BayStack BCC and System 5000 are trademarks of Nortel Networks All other trademarks and registered trademarks are the property of their respective owners Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at
40. DDI or token ring circuit the line service parameters take default values that suit many networks You can however modify those values to suit your network composition and requirements The circuit type determines how you customize line services To learn how to customize line parameters for specific circuit types go to the sources indicated in the following table Line Type Go To Ethernet Chapter 2 FDDI Chapter 3 Token ring Chapter 4 802 1Q tagged port Chapter 5 ATM FRE 2 ATM ARE Configuring ATM Services ATM DXI E1 T1 HSSI synchronous Configuring WAN Line Services serial asynchronous LAPB MCE1 MCT1 FE1 and FT1 308623 14 00 Rev 00 1 5 Chapter 2 Configuring Ethernet Services This chapter describes how to customize the physical layer for Ethernet router interfaces It includes the following information Topic Page Configuring Ethernet Services Using the BCC or Site Manager 2 2 About Nortel Networks Ethernet Media 2 2 Enabling or Disabling an Ethernet Interface 2 4 Configuring BofL Messages 2 5 Enabling or Disabling Hardware Filtering 2 9 Setting the Transmit Queue Length 2 11 Setting the Receive Queue Length 2 11 Setting the Interface Line Speed for 100BASE T Modules 2 12 Setting Line Advertising Capabilities for 100BASE T Modules 2 13 Enabling Ethernet Flow Control 2 14 308623 14 00 Rev 00 2 1 Configuring
41. Ethernet FDDI and Token Ring Services Configuring Ethernet Services Using the BCC or Site Manager Table 2 1 lists the Ethernet configuration tasks described in this chapter and indicates whether you can use the BCC or Site Manager to perform each task Table 2 1 Ethernet Configuration Tasks Task BCC Site Manager Enabling or Disabling an Ethernet Interface 4 V Enabling or Disabling BofL Messages V 4 Setting the BofL Timeout J A Setting BofL Retries J Setting the BofL Timeout Divisor A Enabling or Disabling Hardware Filtering V NA Enabling or Disabling Hardware Filtering V A Setting the Transmit Queue Length J Setting the Receive Queue Length J Setting the Interface Line Speed for 100BASE T A Modules Setting Line Advertising Capabilities for 4 100BASE T Modules Enabling Ethernet Flow Control JY WA About Nortel Networks Ethernet Media The Nortel Networks Ethernet 802 3 interface supports IEEE 802 3 and Version 1 0 2 0 Ethernet frame formats Ethernet circuits use carrier sense multiple access with collision detection CSMA CD to manage access to the physical media in a baseband LAN IOBASE T interfaces operate at 10 megabits second Mb s over twisted wire or coaxial cable IO0BASE T interfaces sometimes called Fast Ethernet operate at 100 Mb s Refer to the Bay Networks Guide to Understanding 100BASE T for detailed information
42. Ethernet Parameters Window for the 100Base TX Module A 10 308623 14 00 Rev 00 Site Manager Parameters Enable BOFL Enable ENABL BOFL Timeout Interface Line Speed 100BASE X FD W FLOW CONTROL Flow Control Enable Flow Control Pause Time Transmit Pause Zero Enable Figure A 4 Edit 10 100Mb s Ethernet Parameters Window for the 100Base FX Module 308623 14 00 Rev 00 A 11 Configuring Ethernet FDDI and Token Ring Services Enable ENABLE BOFL Enable ENABLE BOFL Timeout 5 Interface Line Speed AUTO NEGOTIATION Flow Control Enable Flow Control Pause Time Transmit Pause Zero Enable ENABLE Figure A 5 Edit 1000Mb s Ethernet Parameters Window Parameter Enable Path Configuration Manager gt XCVR Connector gt Edit Line Default Enable Options Enable Disable Function Enables or disables this Ethernet line Instructions Select Enable or Disable MIB Object ID 1 3 6 1 4 1 18 3 4 1 1 2 A 12 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters BofL Enable Configuration Manager gt XCVR Connector gt Edit Line Enable Enable Disable When this parameter is set to Enable the router sends BofL polling messages from this system to all systems on the local network Set to Enable or Disable We recommend that y
43. Example If the command syntax is ping ip address you enter ping 192 32 10 12 bold text Indicates command names and options and text that you need to enter Example Enter show ip alerts routes Example Use the dinfo command italic text Indicates file and directory names new terms book titles and variables in command syntax descriptions Where a variable is two or more words the words are connected by an underscore Example If the command syntax is show at valid route valid routeis one variable and you substitute one value for it screen text Indicates system output for example prompts and system messages Example Set Trap Monitor Filters xiv 308623 14 00 Rev 00 separator gt vertical line Acronyms Preface Shows menu paths Example Protocols gt IP identifies the IP option on the Protocols menu Separates choices for command keywords and arguments Enter only one of the choices Do not type the vertical line when entering the command Example If the command syntax is show ip alerts routes you enter either show ip alerts or show ip routes but not both This guide uses the following acronyms BofL CMT CSMA CD FDDI IP IPX ISDN ISO ITU T LAN LEM LER LLC MAC MAU Breath of Life message or packet connection management carrier sense multiple access with collision detection Fiber Distributed Data Interface Internet Protocol Internet
44. MTU Speed If the line is not up Operational State does not equal Up then three dashes appear If the line is up Operational State equals Up then the value appears in the form hhhmmmsss where hh is hours mm is minutes and ss is seconds For example the value might appear as 5h31m05s If the value is greater than 24 hours it appears in the form dddhhhmmm where dd is days hh is hours and mm is minutes For example the value might appear as 2d10h15m Total number of errors see show ethernet errors for greater detail MTU size for frames on this line Circuit s configured line speed 10 Mb s or 100 Mb s 308623 14 00 Rev 00 show fddi alerts BCC show Commands The show fddi alerts command displays all FDDI modules that are enabled but not up Use this display to identify interfaces that are not working This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Admin State HW Address Operational State Total Time Up Down Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line Configured s
45. N segment can consist of one or many workstations e A VLAN is aclosed bridge group with boundaries enforced by spanning tree protocols e ntra VLAN communication is provided by layer 2 switching e nter VLAN communication requires additional layer 3 services Layer 3 services may be provided by the VLAN device or by an adjacent router Intra VLAN Traffic Flow Intra VLAN traffic where the frame source and the frame destination are both on the same VLAN is forwarded at layer 2 by the VLAN device Forwarding decisions are based on layer 2 forwarding tables that associate specific MAC layer 2 addresses with specific device ports Inter VLAN Traffic Flow Inter VLAN traffic where the frame source and the frame destination are not on the same VLAN requires layer 3 routing services Certain advanced platforms such as the Accelar family of routing switches can provide these services 308623 14 00 Rev 00 5 3 Configuring Ethernet FDDI and Token Ring Services More commonly however routing services are provided by an adjacent router as shown in Figure 5 2 where frames originating on the Marketing VLAN and destined for the Sales VLAN are switched across a dedicated port by the VLAN device to the attached router The router operating at layer 3 redirects the frame across another dedicated port to the VLAN device which in turns switches the frame at layer 2 to the recipient VLAN The configuration illustrated in Figure 5
46. ND BY ITS TERMS AND CONDITIONS LICENSEE FURTHER AGREES THAT THIS AGREEMENT IS THE ENTIRE AND EXCLUSIVE AGREEMENT BETWEEN NORTEL NETWORKS AND LICENSEE WHICH SUPERSEDES ALL PRIOR ORAL AND WRITTEN AGREEMENTS AND COMMUNICATIONS BETWEEN THE PARTIES PERTAINING TO THE SUBJECT MATTER OF THIS AGREEMENT NO DIFFERENT OR ADDITIONAL TERMS WILL BE ENFORCEABLE AGAINST NORTEL NETWORKS UNLESS NORTEL NETWORKS GIVES ITS EXPRESS WRITTEN CONSENT INCLUDING AN EXPRESS WAIVER OF THE TERMS OF THIS AGREEMENT iv 308623 14 00 Rev 00 Contents Preface rn pes De nisus I ee ET ee earner tery rear cry rere E mere arene erate xiii TOE I serio stcoes teats A A E P N cada ea deep meat net eet xiv PO DIC EMT TEE UU IU T T M XV Hard Copy Technical Manuals Luisa idest ederadatoni iaou aud Se OX E pna Rc xvii a to Get HEI aee nia a a a a xvii Chapter 1 Getting Started Accessing Lili Senicos dcusstorsensest brin seu bet E A 1 2 METEWSDADUSE ET pin E DOT 1 5 Chapter 2 Configuring Ethernet Services Configuring Ethernet Services Using the BCC or Site Manager n se 2 2 About Nortel Networks Ethernet Media eleii secet trees tk ceras 2 2 pig tuc Wo anaran acer snandaaetanlieeetecaetass 2 3 WOU A SEAT Packet ZE puis bonsoir AERA asbl ONS 2 3 Enabling or Disabling an Ethernet Interface 1 aues secs en ra tti na ones 2 4 SORTING Boll Ie e EM 2 5 Enabling er Disabling Bork Messages i n areven o iei ae ERR RR SS Rae RR S REDE MGE 2 5 Setting the BofL Timeout
47. Procedure continued You do this 14 Click on Edit System responds The Circuit Definition window opens 15 Choose Protocols 16 Choose Add Delete 17 Select IP and click on OK The Select Protocols window opens The IP Configuration window opens 18 Enter an IP address and subnet mask and click on OK The Circuit Definition window opens 19 Choose File 20 Choose Exit The Circuit List window opens 21 Click on Done You return to the Configuration Manager window Editing a Tagged Circuit To edit an 802 1Q tagged circuit complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose VLAN The VLAN menu opens 3 Choose Interfaces The Edit VLAN Interface Parameters window opens Select the 802 1Q tagged circuit that you want to edit Site Manager displays the current parameter values for the circuit Edit the following parameters as required VLAN Name Global VLAN Id Protocol Type hex Click on Help or see the parameter descriptions beginning on page A 29 Click on Apply and Done You return to the Configuration Manager window 308623 14 00 Rev 00 5 11 Configuring Ethernet FDDI and Token Ring Services Disabling a Tagged Circuit To disable an 802 1Q tagged c
48. Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID BofL Retries Configuration Manager gt XCVR Connector gt Edit Line 5 4 if router redundancy is enabled 1 to 60 retries Specifies the number of Breath of Life messages this interface can retransmit before the router declares the circuit down Either accept the default of five BofL retries or specify a value from 1 to 60 retries Use this parameter in conjunction with the BofL Timeout and BofL Timeout Divisor parameters to decrease or increase the time it takes the router to declare an interface down 1 3 6 1 4 1 18 3 4 1 1 59 BofL Timeout Divisor Configuration Manager gt XCVR Connector gt Edit Line 1 10 if router redundancy is enabled 1 to 100 The time between BofL transmissions is the value of the BofL Timeout parameter divided by the value of the BofL Timeout Divisor parameter When BofL Timeout Divisor is set to the default value of 1 it has no effect on the value of BofL Timeout Setting BofL Timeout Divisor to a value greater than 1 reduces the BofL timeout period Accept the default or enter a number from 1 to 100 1 3 6 1 4 1 18 3 4 1 1 60 A 4 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Hardware Filter Configuration Manager gt XCVR
49. This appendix contains the following information Topic Page CSMA CD Line Parameters A 2 100 Mb s CSMA CD Line Parameters A 6 10 100 Mb s and 1000 Mb s Ethernet Parameters A 1 FDDI Line Parameters A 17 Token Ring Line Parameters A 25 2 1Q Parameter A 2 For each parameter this appendix provides the following information e Parameter name e Configuration Manager menu path e Default setting e Valid parameter options e Parameter function Instructions for setting the parameter e Management information base MIB object ID 308623 14 00 Rev 00 A 1 Configuring Ethernet FDDI and Token Ring Services The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB object ID This process is equivalent to modifying parameters using Site Manager For more information about using the Technician Interface to access the MIB see Using Technician Interface Software Caution The Technician Interface does not verify the validity of your parameter values Entering an invalid value can corrupt your configuration CSMA CD Line Parameters The Edit CSMA CD Parameters window Figure A 1 allows you to enable BofL and hardware filters for the specified circuit This window appears for 1OBASE T modules only Enable BOFL Enable ENABLE BOFL Timeout BOFL Retries BOFL Timeout Divisor Hardware Filter DISABLE Figure A 1 Edit CSMA CD Param
50. a connected station or concentrator Specify the status word value that represents the connection policies you want this line to reject Start with a value of zero for the status word all bits set to 0 For each connection policy you want the node to reject add to the status word value the number 2 raised to a power specified in Table 3 2 on page 3 10 This is equivalent to setting a bit to 1 for each policy that you want the node to reject 1 3 6 1 4 1 18 3 4 4 1 30 T_Notify Timeout Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt SMT Attributes gt FDDI SMT Attributes 22 2 to 30 seconds Specifies the interval between successful iterations of the Neighbor Notification Protocol Accept the default value of 22 seconds or specify a new value from 2 to 30 seconds 1 3 6 1 4 1 18 3 4 4 1 31 A 20 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters User Data Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt SMT Attributes gt FDDI SMT Attributes None Any string up to 32 alphanumeric characters Allows you to enter additional information about the router This information
51. able Enables or disables BofL polling When you set both this parameter and the LLC Data Enable parameter to Enable the router disables the LLC interface after the time you specify using the BofL Timeout parameter if the link becomes unavailable When you set this parameter to Disable the router disables the LLC interface immediately after the link becomes unavailable Set to Enable or Disable 1 3 6 1 4 1 18 3 4 4 1 7 BofL Timeout Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters 3 1 to 60 seconds When BofL is enabled and the link becomes unavailable this parameter specifies the time Site Manager waits before disabling the LLC interface Accept the default value 3 seconds or specify a new value Be sure to set the BofL Enable parameter to Enable 1 3 6 1 4 1 18 3 4 4 1 8 A 18 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Hardware Filter Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters Disable the default changes to Enable when while adding the circuit you reply OK to the prompt Do you want to enable Hardware Filters on this circuit Enable Disable When you set this parameter to Enable the link module filtering hardware if present does not allow the router to copy local frames into memory In essence the filtering hardware drops local frames at t
52. b s FDDI LANs including hybrid FDDI link modules for both single mode and multimode fiber interfaces All FDDI interfaces support a Class A dual attachment or a dual homing Class B single attachment The FDDI link and net modules include two Media Interface Connector MIC plugs as well as one RJ 11 connector for attachment to an optional external optical bypass unit Enabling or Disabling a FDDI Interface The router enables FDDI line services when you add the interface You can disable and enable the interface without moving physical cables Using the BCC To enable a FDDI interface start by accessing an existing FDDI line service and enter enable To disable a FDDI interface access an existing FDDI line service and enter disable For example to enable a FDDI interface enter the following command sequence box fddi slot 11 connector 1 fddi 11 14 enable 308623 14 00 Rev 00 3 3 Configuring Ethernet FDDI and Token Ring Services Using Site Manager To disable or reenable a FDDI interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Set the Enable parameter Click on Help or see the parameter description on page page A 17 4 Click on OK You return to the Edit Connector window 5 Click
53. be running diagnostics or there may be a problem with the configuration If the line is not up Operational State does not equal Up then three dashes appear If the line is up Operational State equals Up then the value appears in the form hhhmmmsss where hh is hours mm is minutes and ss is seconds For example the value might appear as 5h31m05s If the value is greater than 24 hours it appears in the form dadhhhmmm where dd is days hh is hours and mm is minutes For example the value might appear as 2d10h15m continued 308623 14 00 Rev 00 B 3 Configuring Ethernet FDDI and Token Ring Services Errors Total number of errors see Show ethernet errors MTU Maximum transmission unit MTU size for frames on this line Speed Circuit s configured line speed 10 Mb s or 100 Mb s show ethernet auto neg The show ethernet auto neg command displays the line speed characteristics of Ethernet circuits that are configured with automatic line negotiation Some Ethernet modules can run at either 10 Mb s or 100 Mb s using a hardware process to detect the speed to use Use this command to identify the status of autonegotiation This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt Displays information about the specified circuit only Slot lt slot gt Displays information about the specified slot only lt circuit_name gt Displays information about th
54. box fddi slot 11 connector 1 fddi 11 1 hardware filter enable 308623 14 00 Rev 00 3 7 Configuring Ethernet FDDI and Token Ring Services Using Site Manager To enable or disable hardware filtering on a FDDI interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Set the Hardware Filter parameter Click on Help or see the parameter description on page A 19 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window Editing FDDI SMT Attributes The FDDI Station Management SMT standard defines the protocols for managing the Physical Layer Media Dependent PMD the Physical Layer protocol PHY and the media access control MAC components of FDDI The SMT protocols monitor and control the activity of each node on the ring Nortel Networks routers support Version 7 2 of the SMT protocol SMT contains three components e Connection management CMT e Ring management RMT e SMT frame services Caution Changing any of the FDDI Advanced Attributes parameters affects the operation of your FDDI network Before modifying these parameters you should understand how to use them to improve network performance The following section
55. by a specific protocol or application The physical and electrical means to interconnect an interface module in a network device directly or indirectly to a physical network medium 308623 14 00 Rev 00 Glossary 1 Numbers 100BASE T See Ethernet 10BASE T See Ethernet 802 1Q tagged circuits adding to an existing 100BASE T interface 5 10 adding to an unconfigured 100BASE T interface 5 8 deleting 5 12 disabling 5 12 802 1Q tagging described 5 6 implementation considerations 5 8 router processing of tagged frames 5 7 TCI field 5 7 TPID field 5 7 A acronyms xv attribute defined Glossary 1 B BCC show commands B 1 BofL Breath of Life messages Ethernet lines 2 5 A 3 A 7 A 13 FDDI lines 3 4 A 18 Bofl Enable A 13 BOFL Timeout parameter A 13 C channel defined Glossary 1 circuit defined Glossary 1 connection policy FDDI SMT 3 9 308623 14 00 Rev 00 Index connector defined Glossary 1 conventions text xiv CSMA CD See Ethernet customer support xvii D duplex setting Ethernet 2 12 duplicate addressing FDDI SMT 3 15 E early token release 4 7 Enable parameter A 12 Enable Disable parameter A 29 A 30 Ethernet 100BASE T performance considerations 2 3 flow control enabling 2 14 media 2 3 overview 2 2 parameters BofL Enable 2 5 A 3 A 7 A 13 BofL Retries 2 8 BofL Timeout 2 6 A 3 A 7 A 13 BofL Timeout Divisor 2 8 Enable 2 4 A 3 A 6 A
56. cator symbols that is E A C flags Number of frames received that exceed the MTU size Slot location of the FDDI module within the chassis and the connector number Number of transmit frames with internal abort errors on this circuit Number of transmit frames aborted with underrun errors on this circuit Slot location of the FDDI module within the chassis and the connector number Number of parity errors Parity errors may indicate faulty hardware If this count exceeds five contact your Bay Networks Technical Solutions Center Number of ring errors continued 308623 14 00 Rev 00 B 15 Configuring Ethernet FDDI and Token Ring Services Port Operation Errors Internal Operation Errors Host Errors show fddi mac Number of DMA controller port operation errors Port operation errors may indicate faulty hardware If this count exceeds five contact your Bay Networks Technical Solutions Center Number of internal operation errors Number of parity errors occurring when the host driver accesses a register on the DMA controller Host errors may indicate faulty hardware If this count exceeds five contact your Bay Networks Technical Solutions Center The show fddi mac command displays the media access control MAC parameters for all circuits or for a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit circuit name Slot lt s
57. cifies the configured line speed and duplex setting for the selected interface or enables automatic line negotiation For 100Base TX and Gigabit Ethernet modules choose Auto Negotiation to enable automatic line negotiation Selecting a specific line speed disables Auto Negotiation For 100Base FX modules either accept the default 100Base X FD w Flow Control or choose 100Base X FD Full Duplex 1 3 6 1 4 1 18 3 4 16 1 1 4 Flow Control Enable Configuration Manager XCVR Connector Edit Line Enable Enable Disable Enables or disables flow control Accept the default Enable or select Disable 1 3 6 1 4 1 18 3 4 1 1 66 A 14 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Flow Control Pause Time Configuration Manager gt XCVR Connector gt Edit Line 65535 32 to 65535 pause times Specifies the flow control pause time The pause time is used to calculate the total time a transmitter pauses For example when a transmitter receives a pause frame it pauses for pause_time 512 bit times The value 512 bit times converts to 51 2 ms for 10 Mb s 5 12 ms for 100 Mb s and 512 ns for Gigabit Therefore if the pause time is 65535 and the line speed is 100 Mb s then the transmitter pauses for 335 54 ms 65535 5 12 ms Accept the default 65535 or
58. cts a MAC control frame with a Pause opcode the remote transmitter pauses for a time interval equal to the pause time 512 bit times The value 512 bit times converts to 51 2 microseconds ms for 10 Mb s 5 12 ms for 100 Mb s and 512 nanoseconds ns for Gigabit When a transmitter receives a MAC control frame it stops sending packets for the specified time You can configure the congested receiver the sender of the MAC control frame to transmit a pause frame with a pause time of O when the receiver is no longer congested thereby causing the remote transmitter to resume sending packets You do this by setting the Transmit Pause Zero Enable Site Manager parameter or the pause zero enable BCC parameter to Enable The following sections describe how to use the BCC and Site Manager to enable Ethernet flow control 2 14 308623 14 00 Rev 00 Configuring Ethernet Services Using the BCC You enable or disable flow control using the fc enable parameter However this parameter is affected by the value of another parameter speed select You access the speed select parameter by navigating to the auto neg prompt for example box ethernet 2 1 auto neg Based on the value of the speed select parameter the BCC either ignores or accepts the setting of the fc enable parameter If you set the speed select parameter to auto negotiation you must use the fc enable parameter to enable or disable flow control The BCC ignores the setting of t
59. e specified circuit only The output includes the following information Slot Conn Slot location of the Ethernet module within the chassis and the connector number Circuit Name of the circuit associated with this line State State of the line driver Disabled Down Init initializing Not Present enabled but not yet started or Up Auto Negotiation State Disabled Configuring Complete Parallel Detect Failure Remote Signaling Detected or Not Detected Line Capability Being Used 10 or 100 Mb s B 4 308623 14 00 Rev 00 BCC show Commands show ethernet detail The show ethernet detail command displays all MIB data about all Ethernet circuits or a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt Displays information about the specified circuit only slot lt slot gt Displays information about the specified slot only lt circuit_name gt Displays information about the specified circuit only 308623 14 00 Rev 00 B 5 Configuring Ethernet FDDI and Token Ring Services show ethernet errors The show ethernet errors command displays receive transmit and system errors for all Ethernet circuits or for a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the speci
60. edundancy on an interface Nortel Networks recommends that you set the value of the BofL timeout divisor to 10 to reduce the time between BofL transmissions which reduces the time it takes the router to declare a circuit down 2 8 308623 14 00 Rev 00 Configuring Ethernet Services Set the value of this parameter to an integer from 2 to 100 if you want a BofL timeout to be detected in less than 1 second Leave this parameter set to 1 and use the BofL Timeout parameter for 1 to 5 second timeout values For example with the BofL timeout value set to 5 seconds and the BofL timeout divisor set to 10 the router sends a BofL message every 0 5 seconds 5 divided by 10 With BofL timeout set to 5 seconds and the BofL timeout divisor set to 1 transmissions are every 5 seconds To set the BofL timeout divisor access an existing Ethernet line service and enter bofl tmo divisor lt integer gt integer is a value from 2 to 100 For example to set the BofL timeout divisor to 15 enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 1 bofl tmo divisor 15 Enabling or Disabling Hardware Filtering When you add an Ethernet circuit for a link module with hardware filter capability hardware filtering is disabled by default With hardware filtering enabled the Ethernet interface drops local frames instead of copying them into system memory to be processed by the bridge software Local frames are frames that
61. eived without error Number of bytes transmitted without error Number of frames transmitted without error Number of frames dropped due to receive congestion Number of frames clipped in the driver s transmit routine due to congestion B 28 308623 14 00 Rev 00 BCC show Commands show token ring stats The show token ring stats command displays token ring input output statistical information for all token ring circuits or for a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit State Errors Receive Transmit Bytes Receive Transmit Frames Receive Transmit Slot location of the token ring module within the chassis and the connector number Name of the circuit associated with this line State of the line Up Down Init initializing or Not Pres enabled but not yet started The Not Pres state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem
62. elp or see the parameter description on page A 18 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 3 6 308623 14 00 Rev 00 Configuring FDDI Services Enabling or Disabling Hardware Filtering When you add a FDDI circuit for a link module with hardware filtering capability hardware filtering is disabled by default With hardware filtering enabled the FDDI interface drops local frames instead of copying them into system memory to be processed by the bridge software Local frames are frames that contain both destination and source media access control MAC addresses that the router has learned on the interface Bridge software teaches the hardware filter which MAC addresses are local to an interface Enabling hardware filtering improves bridging software performance because the router software does not need to determine whether to receive and reject local frames You can enable or disable hardware filtering on an interface Enable hardware filtering only if the FDDI link module has hardware filters and you enabled bridge software Using the BCC To enable hardware filtering access an existing FDDI line service and enter hardware filter enable To disable hardware filtering access an existing FDDI line service and enter hardware filter disable For example to enable hardware filtering enter the following command sequence
63. enables token ring line services when you add the circuit You can disable and enable the interface without moving physical cabling Using the BCC To enable token ring line services access an existing token ring line service and enter enable To disable token ring line services access an existing token ring line service and enter disable For example to enable a token ring interface enter the following command sequence box tokenring slot 9 connector 1 tokenring 9 1 enable Using Site Manager To enable or disable a token ring interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a TOKEN Connector The Edit Connector window opens Choose Edit Line The Edit Token Ring Parameters window opens Set the Enable parameter Click on Help or see the parameter description on page page A 25 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 4 3 Configuring Ethernet FDDI and Token Ring Services Specifying a MAC Address Override To specify a MAC address for an interface for example to avoid host number conflicts on a directly connected IPX or XNS network enter the 48 bit MAC address in MSB format that is enter Ox followed by 12 hexadecimal digits If you want the router to
64. encies of the Department of Defense or their successors whichever is applicable 6 Use of Software in the European Community This provision applies to all Software acquired for use within the European Community If Licensee uses the Software within a country in the European Community the Software Directive enacted by the Council of European Communities Directive dated 14 May 1991 will apply to the examination of the Software to facilitate interoperability Licensee agrees to notify Nortel Networks of any such intended examination of the Software and may procure support and assistance from Nortel Networks 7 Term and termination This license is effective until terminated however all of the restrictions with respect to Nortel Networks copyright in the Software and user manuals will cease being effective at the date of expiration of the Nortel Networks copyright those restrictions relating to use and disclosure of Nortel Networks confidential information shall continue in effect Licensee may terminate this license at any time The license will automatically terminate if Licensee fails to comply with any of the terms and conditions of the license Upon termination for any reason Licensee will immediately destroy or return to Nortel Networks the Software user manuals and all copies Nortel Networks is not liable to Licensee for damages in any form solely by reason of the termination of this license 8 Export and Re export Licensee agrees n
65. ength The transmit queue length determines the number of buffers that can be used to transmit data Set the value from 0 to 255 to determine the transmit queue length If you set the value larger than the compiled ring size the router will truncate the value at that size To set the transmit queue length access an existing FDDI line service and enter transmit queue length lt integer gt integer is a value from 0 to 255 For example to set the transmit queue length to 100 enter the following command sequence box fddi slot 11 connector 1 fddi 11 1 transmit queue length 100 Setting the Receive Queue Length The receive queue length determines the number of buffers that can be used to receive data Set the value from 0 to 255 to determine the receive queue length If you set the value larger than the compiled ring size the router will truncate the value at that size To set the receive queue length access an existing FDDI line service and enter receive queue length lt integer gt integer is a value from 0 to 255 For example to set the receive queue length to 100 enter the following command sequence box fddi slot 11 connector 1 fddi 11 1 receive queue length 100 308623 14 00 Rev 00 3 25 Chapter 4 Configuring Token Ring Services This chapter describes how to customize the physical and link layers for token ring interfaces It includes the following information T
66. er 44 bpeciylng a MAU Address SOURCE ecce trece rend a po a iaaa a a a aaa 4 5 Spectyng the Ping Speed uuo quiere ekle d RERAK Er SA RR RC up sa LR EK ada CERE Rai ak REG 4 6 Enabling or Disabling Early Token Release m eee ee rte TS i vi 308623 14 00 Rev 00 Chapter 5 Configuring 802 1Q Tagging vaal LAN Ne cs ette n iets a e S aee 5 1 intra VLAN Faific FOW RETIRER cuo Inter VLAN Traffic Flow TR NOE E SuN T Tr eer nnb T mme UCET e e E 5 6 Router Processing of Tagged Frames cceccceececeeeeeeeeceaeeceeeeaeeseeeeeeeeeeeeeeeeeteeeenees 5 7 Woplementalton Consideran x2 a toritate ta ninth xen iie ue Rope n 5 8 Adding a Tagged Circuit to an Unconfigured 100BASE T Interface 5 8 Adding a Tagged Circuit to an Existing 100BASE T Interface ssssssss 5 10 Edumg a TAGE COUE m 5 11 Disain a Togad GWO MU D m LI 5 12 Deleting a Tagged Circuit T mm 5 12 Appendix A Site Manager Parameters CSMA CD Line Parameters 12 osece eee aut Renan ee ra aua xcu Fnac ad gar Ra kic A 2 180 Mb s CSMA CD Line Parameters 15 rostri ux eter USE FE e Euri cena bran am Ere ne EE A 6 10 100 Mb s and 1000 Mb s Ethernet Parameters 2 c ccceecceeeeeeeeeseeeeeeneeaeees A 10 PRD Line ParaliielelS iot edat bens os pePO SER Eo IER ERICH BRE Ert do Iber og ae Rp RD FDA OPES A 17 Token Ring Line Parameters uccccecocsccec ose cec iuie
67. es an overview of 802 1Q tagging and instructions for configuring it on a router It includes the following information Topic Page Virtual LAN Overview 5 1 802 1Q Taggin 5 6 Router Processing of Tagged Frames 5 7 Implementation Considerations 5 8 Adding a Tagged Circuit to an Unconfigured 100BASE T Interface 5 8 Adding a Tagged Circuit to an Existing 100BASE T Interface 1 Editing a Tagged Circuit ion Ek wg Disabling a Tagged Circuit Deleting a Tagged Circuit E ira NO IND Virtual LAN Overview Traditional LANs are defined by physical media e Early first generation LANs were defined by the cable or fiber that connected workstations e Later second generation LANs or LAN segments are defined by the concentrators repeaters or hubs all physical layer or layer 1 devices that connect workstations Traditional LANs are connected by bridges at layer 2 or by routers at layer 3 308623 14 00 Rev 00 5 1 Configuring Ethernet FDDI and Token Ring Services Modern intelligent switching devices have enabled the construction and interconnection of virtual LANs VLANs The term VLAN is generally understood to mean the following e A VLAN is a flexible software defined logical group of devices VLAN boundaries are independent of the physical media Figure 5 1 shows a second generation network topology with a bridge connecting four LANs or LAN segmen
68. et FDDI and Token Ring Services Setting the Interface Line Speed for 100BASE T Modules When you enable Ethernet line services on a 100BASE T module you can set the line speed and duplex setting or enable automatic line negotiation To set the interface line speed and duplex setting or to enable automatic line negotiation complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose an XCVR Connector 100BASE T only The Edit Connector window opens 2 Choose Edit Line The Edit CSMA CD Parameters window opens 3 Setthe Interface Line Speed parameter Click on Help or see the parameter description on page A 8 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 Configuring Ethernet Services Setting Line Advertising Capabilities for 1OOBASE T Modules When you enable Ethernet line services on a 1OOBASE T module you can specify the line configurations available to remote nodes that have automatic line negotiation capability To set the line advertising capabilities complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose an XCVR Connector 100BASE T only The Edit Connector window opens Choose Edit Line The Edit CSMA
69. eters Window A 2 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Enable Configuration Manager gt XCVR Connector gt Edit Line Enable Enable Disable Enables or disables this Ethernet line Select Enable or Disable 1 3 6 1 4 1 18 3 4 1 1 2 BofL Enable Configuration Manager gt XCVR Connector gt Edit Line Enable Enable Disable When set to Enable the router sends BofL polling messages from this system to all systems on the local network Set to Enable or Disable We recommend that you enable BofL 1 3 6 1 4 1 18 3 4 1 1 7 BofL Timeout Configuration Manager gt XCVR Connector gt Edit Line 5 4 if router redundancy is enabled 1 to 60 seconds Specifies the time between transmissions of Breath of Life messages from this Ethernet interface Timeout will occur if five periods elapse without a successful BofL message transmission When timeout occurs the router disables and reenables the Ethernet interface This parameter is valid only if you set BofL Enable to Enable Accept the default BofL timeout of 5 seconds or specify a new value up to 60 seconds 1 3 6 1 4 1 18 3 4 1 1 8 308623 14 00 Rev 00 A 3 Configuring Ethernet FDDI and Token Ring
70. example the value might appear as 2d10h15m Errors Total number of errors see show token ring errors for greater detail MTU Maximum transmission unit size for this interface that is the largest frame that can be transmitted or received across the token ring module The MTU is 4568 bytes Speed Speed of the token ring media 4 Mb s or 16 Mb s show token ring detail The show token ring detail command displays all MIB data about all token ring circuits or a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit circuit name Displays information about the specified circuit only slot lt slot gt Displays information about the specified slot only lt circuit_name gt Displays information about the specified circuit only 308623 14 00 Rev 00 B 25 Configuring Ethernet FDDI and Token Ring Services show token ring errors The show token ring errors command displays receive transmit system line and ring errors for all circuits or for a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Receive Errors S
71. existing I100BASE T interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on a 100BASE T connector The Edit Connector window opens 2 Click on Edit Circuit The Circuit Definition window opens 3 Choose Protocols The Protocols menu opens 4 Choose Add Delete The Select Protocols window opens 5 Choose VLAN then click on OK The Edit VLAN Interface Parameters window opens 6 Click on Add The TAG1Q Parameters window opens 7 Setthe following parameters VLAN Name Global VLAN Id Click on Help or see the parameter descriptions beginning on page A 29 8 Click on OK The Edit VLAN Interface Parameters window opens Note that 802 1Q tagged circuits are displayed with a Vn extension 9 Select the 802 1Q tagged circuit that you are adding Set the Protocol Type hex parameter Retain the default value for connection to Nortel Networks 802 1Q enabled devices 10 Click on Apply and Done You return to the Configuration Manager window To add IP routing to the 802 1Q tagged circuit 11 Choose Circuits 12 Choose Edit Circuits The Circuit List window opens 13 Select the 802 1Q tagged circuit Note that 802 1Q tagged circuits are displayed with a Vn extension continued 5 10 308623 14 00 Rev 00 Configuring 802 1Q Tagging Site Manager
72. fied circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Receive Errors Slot Conn Circuit Checksum Errors Alignment Errors Overflow Errors Frames Too Long Symbol Errors Internal MAC Errors Late Collision Transmit Errors Slot Conn Frames Too Long Underflow Errors Slot location of the Ethernet module within the chassis and the connector number Name of the circuit associated with this line Number of frames received with a CRC error Number of frames received that did not contain an integral number of octets Normally a frame alignment error also causes a checksum error on the frame Number of overflow errors received on this line in which the device FIFO buffer overflowed before obtaining the next DMA cycle Number of frames received that exceed the MTU size Number of errors in hardware MLT3 encoding This indicates a problem and is relevant only for 100 Mb s lines Number of frames containing fewer than 64 octets runt packets Number of transmitter out of window collisions while receiving the next packet This usually indicates wiring or other hardware problems Slot location of the Ethernet module within the chassis and the connector number Number of frames transmitted that exceed the MTU size Number of frames in which the transmitter was unable to obtain an entire packet fro
73. for the following command filters flags and filter arguments circuit lt circuit_name gt Displays information about the specified circuit only Slot lt slot gt Displays information about the specified slot only lt circuit_name gt Displays information about the specified circuit only B 14 308623 14 00 Rev 00 show fddi errors BCC show Commands The show fddi errors command displays receive transmit and system errors for all circuits or for a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Receive Errors Slot Conn Circuit CRC Errors Overrun Errors Invalid Frames Frames Too Long Transmit Errors Slot Conn Aborted Frames Underrun Errors System Errors Slot Conn Parity Errors Ring Errors Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line Number of frames received with CRC errors Number of frames received with internal overrun errors Number of badly formed frames received from the FDDI ring frames that do not contain a valid Frame Status field of at least three control indi
74. fore declaring the Ethernet interface down With router redundancy enabled the default is four attempts You can specify the number of transmission attempts from 1 to 60 retries before the router declares the circuit down You can only do this by using the BCC To specify the number of retransmission attempts access an existing Ethernet line service and enter bofl retries lt integer gt integer is the number of BofL retries You can accept the default value of 5 or enter any integer from 1 to 60 Set the number of retransmission attempts in conjunction with the time period between transmission of BofL attempts and the BofL timeout period to decrease or increase the time it takes the router to declare an interface down For example to set the number of BofL retries to 10 enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 1 bofl retries 10 Setting the BofL Timeout Divisor By default the router uses the value you specify for the BofL timeout period to determine the time period between transmissions of BofL messages from an Ethernet interface The actual interval between BofL transmissions is the value of the BofL timeout divided by the value of the BofL timeout divisor When set to the default value of 1 the BofL timeout divisor has no effect on the BofL timeout value When set to a value greater than 1 the BofL timeout divisor reduces the value of BofL timeout When you configure router r
75. forwards the frame across the virtual connection toward the destination VLAN 308623 14 00 Rev 00 5 7 Configuring Ethernet FDDI and Token Ring Services Implementation Considerations Before you configure 802 1Q tagging on a router note the following considerations e 802 1Q tagging is supported only on 1OOBASE T interfaces it is not supported on other LAN interfaces e 802 1Q tagging cannot be used to extend a VLAN across multiple devices e The VLAN type port based protocol based address based and so on is ignored by the router Adding a Tagged Circuit to an Unconfigured 100BASE T Interface The following procedure describes how to add an 802 1Q tagged circuit to a previously unconfigured 100BASE T interface The procedure assumes that you are configuring the 802 1Q tagged circuit for IP routing To enable other routing protocols on an 802 1Q tagged circuit see the appropriate guide for that protocol Site Manager Procedure You do this 1 In the Configuration Manager window click on a 100BASE T connector System responds The Add Circuit window opens 2 Click on OK The Select Protocols window opens 3 Choose VLAN then click on OK The Edit VLAN Interface Parameters window opens 4 Click on Add The TAG1Q Parameters window opens 5 Setthe following parameters VLAN Name Global VLAN Id Click on Help or see the parameter descriptions beginning on page A
76. g the Propagation Expiration Time A trace is a diagnostic function that isolates a fault on the ring By default the maximum propagation time for a trace on a FDDI topology is 7 seconds You can set the propagation expiration time to a value from 6001 to 256000 milliseconds ms Using the BCC To set the propagation expiration time access an existing FDDI line service and enter token rotation time integer integer is the propagation expiration time expressed in seconds For example to set the propagation expiration time to 10 enter the following command sequence box fddi slot 11 connector 1 fddi 11 14 token rotation time 10 Using Site Manager To set the propagation expiration time complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose SMT Attributes The FDDI SMT Attributes window opens 5 Setthe Trace Max Expiration ms parameter Click on Help or see the parameter description on page A 21 6 Click on OK You return to the FDDI Advanced Attributes window continued 308623 14 00 Rev 00 3 13 Configuring Ethernet FDDI and Token Ring Services Site Manager Procedure continued You do this Sy
77. g with proof of the date of shipment This warranty does not apply if the media has been damaged as a result of accident misuse or abuse The Licensee assumes all responsibility for selection of the Software to achieve Licensee s intended results and for the installation use and results obtained from the Software Nortel Networks does not warrant a that the functions contained in the software will meet the Licensee s requirements b that the Software will operate in the hardware or software combinations that the Licensee may select c that the operation of the Software will be uninterrupted or error free or d that all defects in the operation of the Software will be corrected Nortel Networks is not obligated to remedy any Software defect that cannot be reproduced with the latest Software release These warranties do not apply to the Software if it has been i altered except by Nortel Networks or in accordance with its instructions ii used in conjunction with another vendor s product resulting in the defect or iii damaged by improper environment abuse misuse accident or negligence THE FOREGOING WARRANTIES AND LIMITATIONS ARE EXCLUSIVE REMEDIES AND ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Licensee is responsible 308623 14 00 Rev 00 iii for the security of its own data and information and for maintaining adequate procedures
78. generate the MAC address for this token ring interface do not change this parameter from its default value of 0 If you enter a MAC address with this parameter you must set the MAC Address Source to CNFG as described in Specifying a MAC Address Source on page 4 5 To specify a MAC address override complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a TOKEN Connector 2 Choose Edit Line 3 Setthe MAC Address Override parameter Click on Help or see the parameter description on page A 26 The Edit Connector window opens The Edit Token Ring Parameters window opens 4 Click on OK 5 Click on Done You return to the Edit Connector window You return to the Configuration Manager window 4 4 308623 14 00 Rev 00 Specifying a MAC Address Source Configuring Token Ring Services By default the token ring interface uses the MAC address stored in the programmable read only memory PROM on the link module You can set the source for MAC addresses on a token ring interface to BOXWIDE The interface uses a MAC address that the software generates from the router s serial number PROM The interface uses a MAC address from the PROM on the token ring link module CNFG You explicitly assign a MAC address with the MAC Address Override parameter To set the source for MAC addres
79. hardware filter disable transmit queue length 0 receive queue length 0 bofl retries 5 bofl tmo divisor 1 bofl number 0 308623 14 00 Rev 00 1 3 Configuring Ethernet FDDI and Token Ring Services Using Site Manager To view line services using Site Manager complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Circuits Choose Edit Circuits The Circuit List window opens listing all available circuit types Choose the circuit for which you want to edit line service parameters using these Site Manager abbreviations to guide you E Ethernet circuit type F FDDI circuit type O token ring circuit type 4 Choose Edit The Circuit Definition window opens 5 Choose Lines 6 Choose Edit Lines The Edit Lines window opens and lists the existing lines by slot number and connector name Choose the type of line that you want to edit Choose Edit Depending on the type of circuit you selected in step 7 Site Manager displays the window showing the circuits line details Note For many circuit types you can bypass steps 2 through 6 by clicking on the configured connector in the Configuration Manager window and then clicking on Edit Line in the resulting window 308623 14 00 Rev 00 Getting Started Customizing Line Services When you add an Ethernet F
80. he advertised capabilities parameter which you use to specify the line configuration available to remote nodes that have automatic line negotiation capability You access the advertised capabilities parameter by navigating to the auto neg prompt for example box ethernet 2 1 auto neg For example navigate to an Ethernet prompt box ethernet 2 1 and enter ethernet 2 1 fc enable enabled ethernet 2 1 auto neg auto neg 2 1 speed select auto negotiation auto neg 2 1 However if the interface speed is in fixed mode that is not set to auto negotiation flow control is enabled or disabled based on the value of the speed select parameter If you set the speed select parameter to 100base x fd flow control is automatically disabled and the BCC ignores the setting of the fc enable parameter For example navigate to an Ethernet prompt box ethernet 2 1 and enter ethernet 2 1 auto neg auto neg 2 1 speed select 100base x fd auto neg 2 1 308623 14 00 Rev 00 2 15 Configuring Ethernet FDDI and Token Ring Services If you set the speed select parameter to 100base x fd cong flow control is automatically enabled and the BCC ignores the value of the fc enable parameter For example navigate to an Ethernet prompt box ethernet 2 1 and enter ethernet 2 1 auto neg auto neg 2 14 speed select 100base x fd cong auto neg 2 1 If you enable flow control using the fc enable command you can set the parameters described
81. he interface Hardware filtering improves performance because the bridging software no longer uses resources to receive and reject those frames Set to Enable only if the link module has hardware filters and you enabled bridge software 1 3 6 1 4 1 18 3 4 4 1 37 308623 14 00 Rev 00 A 19 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Connection Policy Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt SMT Attributes gt FDDI SMT Attributes OxFF65 0x0 to OXFFFF Specifies the connection policies this line requests at the FDDI station The policy descriptor takes the form rejectX Y where X denotes the physical connection PC type of the local port and Y denotes the PC type of the neighbor port X and Y can have the following values A Indicates that the port is a dual attachment station or concentrator that attaches to the primary IN and the secondary OUT when attaching to the dual FDDI ring B Indicates that the port is a dual attachment station or concentrator that attaches to the secondary IN and the primary OUT when attaching to the dual FDDI ring S Indicates a port in a single attachment station or concentrator M Indicates a port in a concentrator that serves as a master to
82. ing Services Command Page show token ring detail B 25 show token ring errors B 26 show token ring sample B 28 show token ring stats B 29 show token ring summary B 30 B 2 308623 14 00 Rev 00 BCC show Commands show ethernet alerts The show ethernet alerts command displays all circuits that are enabled but not up Use this display to identify interfaces that are not working This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Admin State HW Address Operational State Total Time Up Down Slot location of the Ethernet module within the chassis and the connector number Name of the circuit associated with this line Configured state of the Ethernet interface Up or Down Line s physical address The driver assigns this address State of the line driver Down Init initializing Not Present enabled but not yet started or Up The Not Present state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may
83. ircuit complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose VLAN The VLAN menu opens Choose Interfaces The Edit VLAN Interface Parameters window opens Select the 802 1Q tagged circuit that you want to disable Set the Enable Disable parameter to Disable Site Manager displays the current parameter values for the circuit Click on Apply and Done Deleting a Tagged Circuit You return to the Configuration Manager window To delete an 802 1Q tagged circuit complete the following tasks Site Manager Procedure You do this 1 In the Configuration Manager window choose Protocols System responds The Protocols menu opens Choose VLAN The VLAN menu opens 3 Choose Interfaces The Edit VLAN Interface Parameters window opens Select the 802 1Q tagged circuit that you want to delete Site Manager displays the current parameter values for the circuit Click on Delete and Done You return to the Configuration Manager window 5 12 308623 14 00 Rev 00 Appendix A Site Manager Parameters This appendix contains the Site Manager parameter descriptions for Ethernet FDDI and token ring line services and for 802 1Q tagging You can display the same information using Site Manager online Help
84. ising 00000 10Base T 10000 10Base T full duplex only 01000 100Base TX 00100 100Base TX full duplex only 00010 Pause 00001 All advertising 11111 For Gigabit Ethernet SX and LX select No advertising 000000 Pause 000010 1000 Base X Full Duplex 000001 All advertising 000011 Note If flow control is enabled then Pause must be enabled MIB Object ID 1 3 6 1 4 1 18 3 4 16 1 1 9 A 16 308623 14 00 Rev 00 Site Manager Parameters FDDI Line Parameters The FDDI Parameters window Figure A 6 allows you to enable the FDDI circuit for the selected connector enable BofL and enable hardware filtering Enable ENABLE BOFL Enable ENABLE BOFL Timeout Hardware Filter DISABLE Figure A 6 Edit FDDI Parameters Window Parameter Enable Path Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters Default Enable Options Enable Disable Function Enables or disables the FDDI circuit for the selected connector Instructions Set to Enable or Disable MIB Object ID 1 3 6 1 4 1 18 3 4 4 1 2 308623 14 00 Rev 00 A 17 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID BofL Enable Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters Enable Enable Dis
85. kup purposes in support of authorized use of the Software and c to use and copy the associated user manual solely in support of authorized use of the Software by Licensee This license applies to the Software only and does not extend to Nortel Networks Agent software or other Nortel Networks software products Nortel Networks Agent software or other Nortel Networks software products are licensed for use under the terms of the applicable Nortel Networks NA Inc Software License Agreement that accompanies such software and upon payment by the end user of the applicable license fees for such software 2 Restrictions on use reservation of rights The Software and user manuals are protected under copyright laws Nortel Networks and or its licensors retain all title and ownership in both the Software and user manuals including any revisions made by Nortel Networks or its licensors The copyright notice must be reproduced and included with any copy of any portion of the Software or user manuals Licensee may not modify translate decompile disassemble use for any competitive analysis reverse engineer distribute or create derivative works from the Software or user manuals or any copy in whole or in part Except as expressly provided in this Agreement Licensee may not copy or transfer the Software or user manuals in whole or in part The Software and user manuals embody Nortel Networks and its licensors confidential and proprietary intellectual propert
86. l command B 14 show fddi errors command B 15 show fddi mac command B 16 show fddi port command B 18 show fddi sample command B 20 show fddi stats command B 21 show fddi summary command B 23 show token ring alerts command B 24 show token ring all command B 25 show token ring errors command B 26 show token ring sample command B 28 show token ring stats command B 29 show token ring summary command B 30 slot defined Glossary 1 statistics Ethernet B 10 FDDI B 21 token ring B 29 status report frames SRFs FDDI SMT 3 14 support Nortel Networks xvii T tag control information TCD field 802 1Q tagging 5 7 tag protocol identifier TPID field 802 1Q tagging described 5 7 tagged frames 802 1Q 5 7 TCI tag control information field 802 1Q tagging 5 7 technical publications xvii technical support xvii text conventions xiv Index 3 Timed Token Protocol TTP FDDI 3 19 token ring overview 4 2 parameters Early Token Release 4 7 A 27 Enable 4 3 A 25 MAC Address Override 4 4 A 26 MAC Address Select 4 5 A 26 Speed 4 6 A 27 token target rotation time TTRT FDDI 3 19 TPID tag protocol identifier field 802 1Q tagging described 5 7 Transmit Pause Zero Enable parameter A 15 transmit queue length 2 11 3 25 TTP Timed Token Protocol FDDI 3 19 TTRT token target rotation time FDDI 3 19 TVX valid transmission timer FDDI 3 19 U user data FDDI SMT
87. lot 11 connector 1 fddi 11 1 reject policy a a Using Site Manager To set the SMT connection policy complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose SMT Attributes The FDDI SMT Attributes window opens 5 Setthe Connection Policy parameter Click on Help or see the parameter description on page A 20 6 Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window Specifying the Neighbor Notification Interval Neighbor information frames NIFs identify the upstream and downstream neighbors of each node A Nortel Networks station issues a response to the sender of a NIF frame and generates NIF requests as part of the neighbor notification process You can set the interval between successful iterations of the Neighbor Notification Protocol on an interface to a value from 2 to 30 seconds By default the interval is 22 seconds This interval e Determines the MAC addresses of the upstream and downstream neighbors 308623 14 00 Rev 00 3 11 Configuring Ethernet FDDI and Token Ring Services e Detec
88. lot Conn Circuit Line Errors Burst Errors Transmit Errors Slot Conn Lost Frame Errors System Errors Slot Conn Adapter Checks DMA Bus Errors DMA Parity Errors Slot location of the token ring module within the chassis and the connector number Name of the circuit associated with this line Number of frames that this station copied with bad format or Frame Check Sequence FCS errors Number of frames with no bit transition for 5 1 2 bit times Slot location of the token ring module within the chassis and the connector number Number of outbound frames whose transmission failed because they were corrupted on their trip around the token ring The interface detects this condition while stripping a frame off the ring In small quantities this error indicates small disturbances on the token ring Slot location of the token ring module within the chassis and the connector number Number of internal adapter errors that caused adapter failures Number of bus errors during DMA that did not exceed the threshold Number of parity errors during DMA that did not exceed the threshold continued B 26 308623 14 00 Rev 00 Command Timeouts Host Interface Errors Line Errors Slot Conn ARI FCI Errors Frame Copied Errors Token Errors Soft Errors Ring Errors Slot Conn Beacon Events Signal Losses Auto Removes Removes Received Single Stations Cable Faults Ring Recoveries BCC show Co
89. m memory fast enough to keep up with the interface continued 308623 14 00 Rev 00 BCC show Commands Internal MAC Errors Deadlock Errors Excessive Collisions Late Collisions System Errors Slot Conn Memory Errors Collision Errors Internal Errors Loss of Carrier Number of excessive deferrals An excessive deferral indicates that during the previous transmission the deferral time was greater than 2 46 ms and the transmission was aborted Number of times the hardware entered a transmitter lockup condition and the software attempted to work around the condition Number of times the transmitter failed in 16 attempts to successfully transmit a message due to repeated collisions on the interface Number of collisions that occurred after the timeslot of the channel elapsed Slot location of the Ethernet module within the chassis and the connector number Number of internal memory errors If this error persists replace the Ethernet interface hardware Number of times the driver detects that the external transceiver has not performed the SQE test after frame transmissions When the SQE test is enabled on the transceiver the transceiver asserts collision to the Ethernet interface after every transmission to provide an ongoing confidence test of the collision detection circuitry An increase in this statistic may mean only that you need to enable the SQE test on the transceiver Number of internal buffer erro
90. meters Enable Disable Configuration Manager gt Protocols gt VLAN gt Interfaces Enable Enable Disable Enables or disables the 802 1Q tagged circuit Set to Disable to disable a previously configured 802 1 tagged circuit Set to Enable to enable a disabled 802 1Q tagged circuit 1 3 6 1 4 1 18 3 5 1 12 6 1 1 1 2 VLAN Name Configuration Manager gt Protocols gt VLAN gt Interfaces None Any character string Specifies a name to associate with the VLAN BayRS does not use this string Enter a name for the VLAN 1 3 6 1 4 1 18 3 5 1 12 6 1 1 1 3 Global VLAN Id Configuration Manager gt Protocols gt VLAN gt Interfaces None Any integer value from 1 to 4095 Provides a unique identifier for the VLAN within the layer 2 layer 3 topology Enter the unique VLAN numeric identifier that was assigned to the VLAN when it was initially configured on the adjacent layer 2 device This value must match the one assigned during the initial VLAN configuration 1 3 6 1 4 1 18 3 5 1 12 6 1 1 1 5 308623 14 00 Rev 00 A 29 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Virtual Port Type Configuration Manager gt Protocols gt VLAN gt Interfaces Tagged Tagged Reserved for future use Leave this parameter set to tagged 1 3 6 1 4 1 18
91. mmands Number of times a command timeout caused the interface to reinitialize Number of times a receive host interface error caused the interface to reinitialize Slot location of the token ring module within the chassis and the connector number Number of times that this station received both an AMP MAC frame and an SMP MAC frame with the a and c bits clear or more than one SMP MAC frame with the a and c bits clear without an intervening AMP MAC frame This condition indicates that the upstream neighbor is unable to set the a and c bits in a frame that it copied Number of frames addressed to this station that had their a and c bits previously set Number of token protocol errors relevant only when this station is the active monitor Number of soft errors corresponds to the number of Report Error MAC frames that this station has transmitted Slot location of the token ring module within the chassis and the connector number Number of events causing the adapter to transmit beacon frames Beacon frames indicate that the interface does not see the token If this count goes up contact your Bay Networks Technical Solutions Center Number of ring signal losses detected Number of times lobe wrap tests failed during beacon autoremoval Number of Remove Ring Station MAC frames received Each frame causes this station to leave the ring Number of interrupts caused by a change to the ring status while the adapter is the only s
92. nd data link layer line services for configured LAN circuits on a Nortel Networks router This chapter shows you how to access those services on a Nortel Networks router Note In the OSI internetworking model the physical layer manages the transmission of bits across the physical media for example cable or modem interface the physical layer protocol defines the electrical and mechanical interface The data link layer defines the procedures for transferring data accurately and reliably across the physical layer This guide assumes that the router s configuration file includes Ethernet FDDI or token ring network circuits See Configuring and Managing Routers with Site Manager for information about adding circuits 308623 14 00 Rev 00 1 1 Configuring Ethernet FDDI and Token Ring Services Accessing Line Services When you add an Ethernet FDDI or token ring circuit the router software automatically sets default values for line services Using the BCC Using the show config all command you can view the current configuration of a Nortel Networks router including the location of configured line services Note This guide assumes that you are working with a router configuration file that already contains the appropriate WAN circuits for the hardware configuration See Configuring and Managing Routers with Site Manager for information about adding circuits to a configuration file To locate configured line se
93. nitial state of PCM Break Starting a PCM connection Trace Localizing a stuck beacon condition which indicates that the interface does not see the token This state should be a transient condition If it persists contact your Bay Networks Technical Solutions Center Connect Synchronizing the ends of the connection for the signaling sequence Next Separating the signaling performed in the SIGNAL state Signal Communicating individual bits of information across the connection Join Assuring that both ends of the connection enter the ACTIVE state together when signaling has completed Verify Leading to an active connection Active Incorporating the port into the token path Maint Detecting maintenance state Number of times a link has been rejected Number of elasticity buffer errors for a specific Physical Layer Protocol PHY The elasticity buffer tracks clock tolerances between stations Number of consecutive times the link confidence test has failed during Connection Management 308623 14 00 Rev 00 B 19 Configuring Ethernet FDDI and Token Ring Services show fddi sample The show fddi sample command displays data sampled from FDDI interfaces over a period of 10 seconds You can change the number of seconds over which you want to sample the data and you can display sampled data for a specific circuit or slot This command allows for the following command filters flags and filter arguments
94. ns depending on the module you selected 3 Setthe following parameters Flow Control Enable Flow Control Pause Time Transmit Pause Zero Enable Click on Help or see the parameter descriptions beginning on page A 14 4 Click on OK The Edit Connector window opens Note If the Interface Line Speed parameter is set to Auto Negotiation the Auto Negotiation window opens Click on Done to go to the Edit Connector window 5 Click on Done The Configuration Manager window opens 308623 14 00 Rev 00 2 17 Chapter 3 Configuring FDDI Services This chapter describes how to customize the physical and link layers for FDDI interfaces It includes the following information Topic Page Configuring FDDI Services Using the BCC or Site Manager 3 2 About Nortel Networks FDDI Media 3 9 Enabling or Disabling a FDDI Interface 3 3 Enabling or Disabling BofL Messages 3 4 Setting the BofL Interval 3 6 Enabling or Disabling Hardware Filtering Sz Editing FDDI SMT Attributes 3 8 Editing the MAC LLC Attributes 3 18 Editing FDDI Path Attributes 3 19 Editing FDDI Port Attributes 3 23 Setting the Transmit Queue Length 3 25 Setting the Receive Queue Length 3 25 308623 14 00 Rev 00 3 1 Configuring Ethernet FDDI and Token Ring Services Configuring FDDI Services Using the BCC or Site Manager Table 3 1 shows the FDDI configurati
95. nterval sssneee 3 11 Specifying the Propagation Expiration Time ssssssseeeene 3 13 Enabling or Disabling Status Report Frames were mS 3 14 Enabling or Disabling Duplicate Addressing esses 3 15 uui Ntc c ESSEN 3 17 Editing the MAC LLUC IS cecus racione Rae inito etre ERR cere REESE IR Es cea a 3 18 Enabling er Disablinag MAG ELS uu oops dade bep o OV d 3 18 Editing FDDI Path Attributes p RR cha etude serene T epic is eer seis old PIA ihe WNIT TEX E 3 20 peciam the Maximum TAT uiuis codec dade pnl d c spp ed saab ua 3 21 Specifying the Requested TTRT Mbrotedis ities TEE m Godant PT seit 3 22 Bait PUD Part AUMBUIBS Loeceentiebbn perque Depp i ERR Rt saan e 3 23 mec ing The LER CURIE riean aaa rabun dictis end End au Rau as uA dS 3 23 Speciino ihe LER Alsi Mj 3 24 Setting the Transmit Queue Length 13 5 5 rs m a ent i er HUS E lg 3 25 Setting the Receive Queue Length remus opui ee sateen T T 3 25 Chapter 4 Configuring Token Ring Services Configuring Token Ring Services Using the BCC or Site Manager 4 2 About Nortel Networks Token Ring Media iuc eesin ren tno ttm resa n paret asn 4 2 Enabling or Disabling a Token Ring Interface seeeeeeeeeeeeeeeeeeneee AO Specifying a MAC Address Override rere Ferre orai oeni T m
96. of the token ring module within the chassis and the connector number Name of the circuit associated with this line Configured state of the token ring interface Up or Down Line s physical address The driver assigns this address State of the line Up Down Init initializing or Not Pres enabled but not yet started The Not Pres state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration continued B 30 308623 14 00 Rev 00 Total Time Up Down Errors MTU Speed BCC show Commands If the line is not up Operational State does not equal Up then three dashes appear If the line is up Operational State equals Up then the value appears in the form hhhmmmsss where hh is hours mm is minutes and ss is seconds For example the value might appear as 5h31m05s If the value is greater than 24 hours it appears in the form dadhhhmmm where dd is days hh is hours and mm is minutes For example the value might appear as 2d10h15m Total number of errors see show token ring errors for greater detail MTU size for this interface that is the largest frame that can be transmitted or received across the token ring module The MTU is 4568 bytes Speed of the token ring media 4 Mb s
97. ollowing tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector Choose Edit Line The Edit Connector window opens The Edit FDDI Parameters window opens Choose Expert 4 Choose Path Attributes The FDDI Advanced Attributes window opens The FDDI Path Attributes window opens 5 Set the Tvx Lower Bound ms parameter Click on Help or see the parameter description on page A 23 Click on OK Click on Done You return to the FDDI Advanced Attributes window You return to the Edit Connector window Click on Done You return to the Configuration Manager window 3 20 308623 14 00 Rev 00 Configuring FDDI Services Specifying the Maximum TTRT The maximum TTRT value must be e Greater than or equal to 10 ms e Greater than or equal to the value of the requested TTRT e Less than or equal to 1336 9344 ms See Figure 3 2 on page 3 19 for the range of values for the maximum TTRT in relation to the other TTRT values To set the maximum TTRT value complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose Path Attributes The
98. on tasks described in this chapter and indicates whether you can use the BCC or Site Manager to perform each task Table 3 1 FDDI Configuration Tasks Task BCC Site Manager Enabling or Disabling a FDDI Interface Enabling or Disabling BofL Messages Setting the BofL Interval Enabling or Disabling Hardware Filtering Specifying the SMT Connection Policy Specifying the Neighbor Notification Interval Specifying the Propagation Expiration Time SISISINSINSINIS Enabling or Disabling Status Report Frames Enabling or Disabling Duplicate Addressing S Entering User Data Enabling or Disabling MAC LLC Specifying the Minimum TVX Specifying the Maximum TTRT Specifying the Requested TTRT Specifying the LER Cutoff Specifying the LER Alarm Rate SISISINSISINSISINSINSINSISINSINSININIS Setting the Transmit Queue Length Setting the Receive Queue Length 3 2 308623 14 00 Rev 00 Configuring FDDI Services About Nortel Networks FDDI Media Fiber Distributed Data Interface FDDI comprises a set of ANSI ISO standards that define a 100 Mb s timed token passing LAN of up to 500 nodes FDDI is used most often for workgroup backbone and backend network configurations that require high bandwidth and performance Nortel Networks provides FDDI interfaces for multimode or single mode 100 M
99. onfiguring FDDI Services Site Manager Procedure continued You do this System responds 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window Enabling or Disabling Duplicate Addressing By default the router implements an optional ANSI duplicate address test involving periodic transmission of Network Service Address Network Interface Function NSA NIF frames to the source You can disable or enable duplicate addressing on an interface Using the BCC To enable duplicate addressing on an interface access an existing FDDI line service and enter promiscuous enable To disable duplicate addressing on an interface access an existing FDDI line service and enter promiscuous disable For example to enable duplicate addressing enter the following command sequence box fddi slot 11 connector 1 fddi 11 1 promiscuous enable 308623 14 00 Rev 00 3 15 Configuring Ethernet FDDI and Token Ring Services Using Site Manager To disable or reenable duplicate addressing on an interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens 2 Choose Edit Line 3 Choose Expert The Edit FDDI Parameters window opens The FDDI Advanced Attributes window opens 4 Choose SMT
100. onnector window 5 Click on Done You return to the Configuration Manager window 2 10 308623 14 00 Rev 00 Configuring Ethernet Services Setting the Transmit Queue Length The transmit queue length determines the number of buffers that can be used to transmit data Set the value from 0 to 255 to determine the transmit queue length If you set the value larger than the compiled ring size the router will truncate the value at that size To set the transmit queue length access an existing Ethernet line service and enter transmit queue length integer integer is a value from 0 to 255 For example to set the transmit queue length to 100 enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 14 transmit queue length 100 Setting the Receive Queue Length The receive queue length determines the number of buffers that can be used to receive data Set the value from 0 to 255 to determine the receive queue length If you set the value larger than the compiled ring size the router will truncate the value at that size To set the receive queue length access an existing Ethernet line service and enter receive queue length integer integer is a value from 0 to 255 For example to set the receive queue length to 100 enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 14 receive queue length 100 308623 14 00 Rev 00 2 11 Configuring Ethern
101. opic Page Configuring Token Ring Services Using the BCC or Site Manager 4 2 About Nortel Networks Token Ring Media 4 2 Enabling or Disabling a Token Ring Interface 4 3 Specifying a MAC Address Override 4 4 Specifying a MAC Address Source 4 5 Specifying the Ring Speed 4 6 Enabling or Disabling Early Token Release 4 7 308623 14 00 Rev 00 4 1 Configuring Ethernet FDDI and Token Ring Services Configuring Token Ring Services Using the BCC or Site Manager Table 4 1 lists the token ring configuration tasks described in this chapter and indicates whether you can use the BCC or Site Manager to perform each task Table 4 1 Token Ring Configuration Tasks Task BCC Site Manager Enabling or Disabling a Token Ring Interface V V Specifying a MAC Address Override Specifying a MAC Address Source Specifying the Ring Speed J SINSINIS Enabling or Disabling Early Token Release About Nortel Networks Token Ring Media Token ring is a 4 or 16 Mb s token passing baseband LAN that operates in a ring topology that conforms to the IEEE 802 5 standard It is compatible with IEFE 802 2 Type 1 connectionless and Type 2 connection oriented support A token ring LAN uses shielded or unshielded twisted pair cable the interface supports IBM Type 1 and Type 3 cabling 4 2 308623 14 00 Rev 00 Configuring Token Ring Services Enabling or Disabling a Token Ring Interface The router
102. or 16 Mb s 308623 14 00 Rev 00 B 31 Attribute Channel Circuit Connector Interface Flow control Line Logical line Parameter Port Slot Glossary See parameter Properties or functional aspects of a configurable MIB object The multiplexed signal for one voice or data conversation running simultaneously with other channels over a single logical or physical line A data communication path established between two network hosts for example a permanent or switched virtual circuit PVC or SVC over a packet or cell switched network or over a dial or leased line connection The physical and electrical means to interconnect an interface module in a network device directly or indirectly to a physical network medium A data link physical layer connection to a physical network transmission medium An interface includes media specific driver software Temporarily stops a remote station from sending packets to prevent packet loss in a congested system The physical medium that completes a circuit path identified typically by connector slot and media type In a multiline circuit one circuit uses multiple lines for added bandwidth See line A logical path on a physical circuit See attribute A BCC or Site Manager variable that defines a specific MIB attribute or set of MIB attributes See connector On a network device or a user end station a logical point of termination for data sent or received
103. or the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit State Errors Receive Transmit Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line State of the line driver Up Down Init initializing or Not Pres not present The Not Pres state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration Number of frames received with e CRC errors e Internal overrun errors MAC errors The total number of receive errors also includes the number of badly formed LLC frames received from the FDDI ring and the number of received LLC frames whose length exceeded the MTU size Number of transmit frames with internal abort errors or aborted with underrun errors continued 308623 14 00 Rev 00 B 21 Configuring Ethernet FDDI and Token Ring Services Bytes Receive Transmit Frames Receive Transmit Avg PKt Receive
104. ory and model or version for your hardware or software product Using Adobe Acrobat Reader you can open the manuals and release notes search for the sections you need and print them on most standard printers You can download Acrobat Reader free from the Adobe Systems Web site www adobe com You can purchase selected documentation sets CDs and technical publications through the collateral catalog The catalog is located on the World Wide Web at support baynetworks com catalog html and is divided into sections arranged alphabetically e The CD ROMs section lists available CDs e The Guides Books section lists books on technical topics e The Technical Manuals section lists available printed documentation sets How to Get Help If you purchased a service contract for your Nortel Networks product from a distributor or authorized reseller contact the technical support staff for that distributor or reseller for assistance If you purchased a Nortel Networks service program contact one of the following Nortel Networks Technical Solutions Centers Technical Solutions Center Telephone Number Billerica MA 800 2LANWAN 800 252 6926 Santa Clara CA 800 2LANWAN 800 252 6926 Valbonne France 33 4 92 96 69 68 Sydney Australia 61 2 9927 8800 Tokyo Japan 81 3 5402 7041 308623 14 00 Rev 00 xvii Chapter 1 Getting Started Ethernet FDDI and token ring services comprise the physical a
105. ossible Note To obtain the highest aggregate throughput use only one port on a 100BASE T link module Demanding high throughput from both ports simultaneously will result in some packet loss which may decrease the performance of sensitive applications 308623 14 00 Rev 00 2 3 Configuring Ethernet FDDI and Token Ring Services Enabling or Disabling an Ethernet Interface The router enables CSMA CD services when you add a 10 Mb s or 100 Mb s Ethernet circuit to the router configuration file You can disable and enable the Ethernet interface without moving physical cabling Using the BCC To enable the Ethernet interface access an existing Ethernet line service and enter enable To disable the Ethernet interface access an existing Ethernet line service and enter disable For example to enable an Ethernet interface enter the following command sequence box ethernet slot 13 connector 1 ethernet 13 1 enable Using Site Manager To enable or disable an Ethernet interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose an XCVR Connector 2 Choose Edit Line The Edit CSMA CD Parameters window opens 3 Setthe Enable parameter Click on Help or see the parameter description on page A 3 4 Click on OK You return to the Edit Connector window 5 Click on Done You retu
106. ot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Upstream Neighbor Downstream Neighbor TNeg ms Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line MAC address of the upstream neighbor The Neighbor Information protocol within SMT determines this address The value 00 00 00 00 00 00 indicates that the address is unknown The table represents the address in canonical form MAC address of the downstream neighbor The Neighbor Notification protocol within SMT determines this address The value 00 00 00 00 00 00 indicates that the address is unknown The table represents the address in canonical form Target token rotation time TTRT carried in claim frames that the FDDI station transmits This value is in milliseconds continued B 16 308623 14 00 Rev 00 BCC show Commands Management State Operational Count State of the Ring Management RMT within SMT RMT reports the status of the MAC including stuck beacon conditions It initializes the trace function and detects duplicate address conditions that prevent the ring from operating RMT passes through a variety of states as follows Isolated Initial state of RMT NonOp
107. ot to export directly or indirectly the Software or related technical data or information without first obtaining any required export licenses or other governmental approvals Without limiting the foregoing Licensee on behalf of itself and its subsidiaries and affiliates agrees that it will not without first obtaining all export licenses and approvals required by the U S Government i export re export transfer or divert any such Software or technical data or any direct product thereof to any country to which such exports or re exports are restricted or embargoed under United States export control laws and regulations or to any national or resident of such restricted or embargoed countries or ii provide the Software or related technical data or information to any military end user or for any military end use including the design development or production of any chemical nuclear or biological weapons 9 General If any provision of this Agreement is held to be invalid or unenforceable by a court of competent jurisdiction the remainder of the provisions of this Agreement shall remain in full force and effect This Agreement will be governed by the laws of the state of California Should you have any questions concerning this Agreement contact Nortel Networks 4401 Great America Parkway PO Box 58185 Santa Clara California 95054 8185 LICENSEE ACKNOWLEDGES THAT LICENSEE HAS READ THIS AGREEMENT UNDERSTANDS IT AND AGREES TO BE BOU
108. ou can change the number of seconds over which you want to sample the data and you can display sampled data for a specific circuit or slot only This command allows for the following command filters flags and filter arguments period Displays data sampled during the period number of seconds lt number_of_seconds gt specified circuit lt circuit_name gt Displays information about the specified circuit only slot lt slot gt Displays information about the specified slot only lt circuit_name gt Displays information about the specified circuit only The output includes the following information Slot Conn Slot location of the Ethernet module within the chassis and the connector number Circuit Name of the circuit associated with this line Input Rate lt sec gt bytes sec Number of octets received without error Input Rate lt sec gt Pkts sec Number of frames received without error Output Rate lt sec gt bytes Number of octets transmitted without error sec Output Rate lt sec gt Pkts sec Number of frames transmitted without error Input Lack of Resource Number of receiver lack of resource errors Output Lack of Resource Number of frames clipped in the driver s transmit routine due to congestion 308623 14 00 Rev 00 B 9 Configuring Ethernet FDDI and Token Ring Services show ethernet stats The show ethernet stats command displays transmit and receive statistical information for all Ethernet ci
109. ou enable BofL 1 3 6 1 4 1 18 3 4 1 1 7 BofL Timeout Configuration Manager gt XCVR Connector gt Edit Line 5 4 if router redundancy is enabled 1 to 60 seconds Specifies the time between transmissions of Breath of Life messages from this Ethernet interface Timeout will occur if five periods elapse without a successful BofL message transmission When timeout occurs the router disables and reenables the Ethernet interface This parameter is valid only if you set BofL Enable to Enable Accept the default BofL timeout of 5 seconds or specify a new value up to 60 seconds 1 3 6 1 4 1 18 3 4 1 1 8 308623 14 00 Rev 00 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Interface Line Speed Configuration Manager gt XCVR Connector gt Edit Line Auto Negotiation for 100Base TX and Gigabit Ethernet modules 100Base X FD w Flow Control for 100Base FX module For 100Base TX the options are Auto Negotiation 10Base T 10Base T FD Full Duplex 10Base T FD w Flow Control 100Base X 100Base X FD Full Duplex 100Base X FD w Flow Control For 100Base FX the options are 100Base X FD Full Duplex 100Base X FD w Flow Control For Gigabit Ethernet the options are Auto Negotiation 1000Base X FD Full Duplex 1000Base X FD w Flow control Spe
110. p cce ttu mme eee OAE A 25 GUN DESIT E E E E A E A A E I LT ES A 28 Appendix B BCC show Commands show OUST ENE dore ui asi p C ERU dto A B 3 SOn emane MONE m B 4 SPON ENEE GE sasie A iecateonieddeacandene lsghavedaagaandeens B 5 Ia Edu AC 147m ic S EA B 6 show ethernet flow control rere aries TT TU TO T T B 8 clas E dg iq ul ic B 9 SHOW BI PIE Slate cixsuuscendusidocxsusq Pod eua RR SUE kx e eb R edu tutu bitin RR UE GaU RR ERE R B 10 show E nar Wii BUNUN e B 11 SDN HO AES qusc ee pbbdi E RROLRRE ERE OU DE o eR Duet dar pep du bb ad ap ER ER PA B 13 show fddi detail oe sober TT TAN TOU anal aes TU T B 14 SPON WIEN ENOS E RR E D o UL 1 ED B 15 CA wd gerer I T T NOD D B 16 308623 14 00 Rev 00 vii SHON TET OH ger ercbupeQ pde aan ao Faden papell eh ena B 18 show fddi sample mete bis bend ET aeai Meine bed beh seeing aieas ere B 20 BIE FO SUS m Secesncehasch ene a E E a B 21 Pa Val alate EC TIMIDI eee ener OT E ECT B 23 show token ring alerts mE B 24 BE HUIS TN PEN RN B 25 S HM DUO DB FEES aroma senses A N EAN EE aban A EEE A B 26 ShoN TTA RUC SAIN ONS banca eda t B 28 Shon akenio SRS aceasta se nese at eaten TR I T arden B 29 show token ring summary eee E PERT B 30 Glossary Index viii 308623 14 00 Rev 00 Figures Figure 3 1 Default Connection Policy Status Word ess 3
111. period lt number_of_seconds gt circuit lt circuit_name gt slot lt s ot gt lt circuit_name gt Displays data sampled during the period number of seconds specified Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Input Rate lt sec gt bytes sec Input Rate lt sec gt Pkts sec Output Rate lt sec gt bytes sec Output Rate lt sec gt Pkts sec Input Lack of Resource Output Lack of Resource Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line Number of bytes received without error This byte count includes LLC frames only Number of frames received without error This frame count includes LLC frames only Number of bytes transmitted without error This byte count includes LLC and SMT frames only Number of frames transmitted without error This frame count includes LLC and SMT frames only Number of LLC receive ring overrun events Number of frames clipped in the driver s transmit routine due to congestion B 20 308623 14 00 Rev 00 show fddi stats BCC show Commands The show fddi stats command displays transmit and receive statistical information for all circuits or for a specific circuit or slot This command allows f
112. r Path Default Options Function Instructions MIB Object ID Site Manager Parameters Tvx Lower Bound ms Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Path Attributes gt FDDI Path Attributes 2 5 The value in milliseconds must be greater than zero and less than the value of Requested TTRT If the value of Requested TTRT is greater than 5 2 ms set this parameter to a value less than or equal to 5 2 ms For example if the value of Requested TTRT is 165 ms the value for Tvx Lower Bound must be less than or equal to 5 2 ms Specifies the minimum time value of the Valid Transmission Timer TVX Accept the default value of 2 5 milliseconds or specify a new value less than or equal to 5 2 milliseconds and less than the value of Requested TTRT 1 3 6 1 4 1 18 3 4 15 3 3 1 5 T_Max Lower Bound ms Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt Path Attributes gt FDDI Path Attributes 165 10 to 1336 9344 ms Allows you to specify the maximum time value of TTRT The value in milliseconds must be greater than or equal to 10 ms greater than or equal to the value of the Requested TTRT ms parameter and less than or equal to 1336 9344 ms Accept the default value of 165 ms or specify a new value less than or equal to 1336 9344 ms and greater than or equal to the value of the Requested TTRT ms parameter 1 3 6
113. rcuits or for a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt slot lt slot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit State Errors Receive Transmit Bytes Receive Transmit Frames Receive Transmit Slot location of the Ethernet module within the chassis and the connector number Name of the circuit associated with this line State of the line driver Down Init initializing Not Present enabled but not yet started or Up The Not Present state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration Number of frames received with errors see show ethernet errors for greater detail Number of transmit frames with errors see show ethernet errors for greater detail Number of octets received without error Number of octets transmitted without error Number of frames received without error Number of frames transmitted without error continued B 10 308623 14 00 Rev 00
114. ring Ethernet FDDI and Token Ring Services Editing the MAC LLC Attributes The FDDI media access control MAC standard defines the timed token protocol frame and token construction and transmission on the FDDI ring ring initialization and fault isolation Enabling or Disabling MAC LLC When the ring becomes operational the FDDI interface exchanges Logical Link Control LLC protocol data units PDUs between the MAC and the local LLC entity You can enable or disable transmission of PDUs on an interface only by using Site Manager Note Enabling or disabling transmission of PDUs does not affect transferring and receiving MAC or SMT frame types To disable or reenable transmission of PDUs on an interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose MAC Attributes The FDDI MAC Attributes window opens 5 Set the LLC Data Enable parameter Click on Help or see the parameter description on page A 22 Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window
115. rn to the Configuration Manager window 2 4 308623 14 00 Rev 00 Configuring Ethernet Services Configuring BofL Messages For carrier detection on Ethernet circuits the router sends breath of life BofL messages whenever the interface transmitter is idle When there is no data traffic BofL messages signify that the Ethernet LAN is up and functioning normally These sections describe how to configure BofL transmissions e Enabling or Disabling BofL Messages e Setting the BofL Timeout e Setting BofL Retries e Setting the BofL Timeout Divisor With default values configured the router declares an Ethernet interface down after 25 seconds five retries of 5 seconds each without a successful frame transmission Note When you configure router redundancy on an Ethernet interface Site Manager automatically adjusts BofL parameters to reduce the time it takes the router to declare an interface down when there is a loss of service With default router redundancy values configured the router declares the interface down after 2 seconds four retries of 05 seconds each Enabling or Disabling BofL Messages With BofL enabled the router sends polling messages from this Ethernet interface to all systems on the local network Note The router does not send BofL messages if it is already transmitting regular data traffic BofL messages are enabled by default on every Ethernet interface You can disable and
116. rs If this error persists replace the Ethernet interface hardware Number of loss of carrier errors in which the transceiver fails to sense the carrier signal on the interface 308623 14 00 Rev 00 B 7 Configuring Ethernet FDDI and Token Ring Services show ethernet flow control The show ethernet flow control command shows the status of the slots on which flow control is enabled This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt Displays information about the specified circuit only slot s ot number Displays information about the specified slot only circuit name Displays information about the specified circuit only The output includes the following information Slot Conn Slot and connector number Circuit Circuit number Flow Ctrl Enable Whether flow control is enabled on the slot Pause Zero Enable Whether transmit pause 0 is enabled on the slot Pause Time Pause time specified for the transmitter Received FlowCtrl Frames Number of flow control frames received by the interface Transmit FlowCtrl Frames Number of flow control frames sent by the interface Received Unsupported Opcodes Number of frames received by the interface that do not have a Pause opcode B 8 308623 14 00 Rev 00 BCC show Commands show ethernet sample The show ethernet sample command displays data sampled from Ethernet interfaces over a period of 10 seconds Y
117. rt gt Port Attributes gt FDDI Port Attributes 8 4to 15 Specifies the link error rate estimate at which a link connection generates an alarm It ranges from 10 to 10 55 and is reported as the absolute value of the base 10 logarithm of the estimate Accept the default value of 8 or specify a new value 1 3 6 1 4 1 18 3 4 15 4 3 1 18 A 24 308623 14 00 Rev 00 Site Manager Parameters Token Ring Line Parameters The Edit Token Ring Parameters window Figure A 7 allows you to enable the token ring circuit determine the source of the MAC address and specify the speed of the token ring media Enable MAC Address Override MAC Address Select PROM Speed Early Token Release ENABLE Figure A 7 Edit Token Ring Parameters Window Parameter Enable Path Configuration Manager gt TOKEN Connector gt Edit Line gt Edit Token Ring Parameters Default Enable Options Enable Disable Function Enables or disables the token ring circuit Instructions Set to Disable if you want to disable the token ring circuit MIB Object ID 1 3 6 1 4 1 18 3 4 2 1 2 308623 14 00 Rev 00 A 25 Configuring Ethernet FDDI and Token Ring Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID MAC Address Override Configuration Manager gt TOKEN Connector gt Edit Line gt Edit Token Ring Parameters None
118. rvices execute the show config all command as follows box Show config all box type frecn board slot 13 type genf back console portnum 1 prompt slot auto manager script automgr bat auto user script autouser bat back ethernet slot 13 connector 1 circuit name E131 auto neg back ip address 192 168 133 114 mask 255 255 255 224 arp back rip back back back fddi slot 11 connector 1 circuit name F111 ip address 192 168 5 2 mask 255 255 255 0 arp back 1 2 308623 14 00 Rev 00 back back tokenring slot 9 connector 1 circuit name O91 speed 4Meg ip address 192 168 2 1 mask 255 255 255 0 arp back rip back back back Getting Started To access line services at the top level box prompt use the output from the show config all command and enter interface type slot slot number connector connector number interface type Name of a physical interface on the router slot number Number of the slot on which the link module is located connector number Number of a connector on the link module For example to access the Ethernet line services on slot 13 connector 1 navigate to the top level box prompt and enter the following command box ethernet slot 13 connector 1 To display the current values for the Ethernet line services enter the following command ethernet 13 14 info on box state enabled circuit name E131 slot 13 connector 1 bofl enable bofl timeout 5
119. s MIB Object ID Duplicate Address Protocol Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt SMT Attributes gt FDDI SMT Attributes Enable Enable Disable Implements an optional ANSI duplicate address test involving periodic transmission of Network Service Address Network Interface Function NSA NIF frames to the source Accept the default Enable if you want to test for duplicate addresses Specify Disable if you do not want to test for duplicate addresses 1 3 6 1 4 1 18 3 4 15 1 3 1 18 LLC Data Enable Configuration Manager gt FDDI Connector gt Edit Line gt Edit FDDI Parameters gt Expert gt MAC Attributes gt FDDI MAC Attributes Enable Enable Disable Specifies whether the MAC is available to transmit and receive Logical Link Control LLC protocol data units PDUs If you accept Enable the interface to the MAC entity is available to exchange PDUs between the MAC and the local LLC entity when the ring becomes operational Setting this attribute does not affect transferring and receiving MAC or SMT frame types Accept the default Enable if you want the MAC available for transmitting and receiving LLC PDUs specify Disable if you do not want the MAC available for transmitting and receiving LLC PDUs 1 3 6 1 4 1 18 3 4 15 2 3 1 17 A 22 308623 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Paramete
120. s choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Set the BofL Enable parameter Click on Help or see the parameter description on page A 18 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 3 5 Configuring Ethernet FDDI and Token Ring Services Setting the BofL Interval The BofL interval is the amount of time the router waits before disabling the LLC interface when the link becomes unavailable and BofL is enabled By default the BofL interval is 5 seconds You can change the interval of BofL messages to a value from 1 to 60 seconds Using the BCC To change the interval of BofL messages access an existing FDDI line service and enter bofl timeout integer integer is the timeout value expressed in seconds You can enter any integer value from 0 to 3600 For example to change the BofL interval to 10 enter the following command sequence box fddi slot 11 connector 1 fddi 11 14 bofl timeout 10 Using Site Manager To change the interval of BofL messages complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Setthe BofL Timeout parameter Click on H
121. s describe how you can configure SMT 3 8 308623 14 00 Rev 00 Configuring FDDI Services Specifying the SMT Connection Policy A FDDI station sets the corresponding policy for each of the connection types that it wants to reject The policy descriptor takes the form rejectX Y where X denotes the physical connection PC type of the local port and Y denotes the PC type of the neighbor port X and Y can have the following values e A Indicates that the port is a dual attachment station or concentrator that attaches to the primary IN and the secondary OUT when attaching to the dual FDDI ring e B Indicates that the port is a dual attachment station or concentrator that attaches to the secondary IN and the primary OUT when attaching to the dual FDDI ring e S Indicates a port in a single attachment station or concentrator e M Indicates a port in a concentrator that serves as a master to a connected station or concentrator To set the connection policies that you want this line to reject you specify a status word with a value from 0x0 to OxFFFF Use the following formula to determine the value of the status word 1 Start with a value of 0 for the status word all bits set to 0 2 Foreach connection policy that you want the node to reject add to the status word value the number 2 raised to a power specified in Table 3 2 This is equivalent to setting a bit to 1 for each policy that you want the node to reject
122. see the parameter description on page A 24 Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 3 23 Configuring Ethernet FDDI and Token Ring Services Specifying the LER Alarm Rate The LER alarm rate is an estimate at which a link connection generates an alarm The LER alarm ranges from 10 to 10 5 and is reported as the absolute value of the base 10 logarithm of the estimate By default the LER alarm is 105 To set the LER alarm rate complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens Choose Edit Line The Edit FDDI Parameters window opens Choose Expert The FDDI Advanced Attributes window opens 4 Choose Port Attributes 5 Set the LER Alarm parameter Click on Help or see the parameter description on page A 24 The FDDI Port Attributes window opens Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done 8 Click on Done You return to the Edit Connector window You return to the Configuration Manager window 3 24 308623 14 00 Rev 00 Configuring FDDI Services Setting the Transmit Queue L
123. ses complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a TOKEN Connector The Edit Connector window opens 2 Choose Edit Line The Edit Token Ring Parameters window opens 3 Set the MAC Address Select parameter Click on Help or see the parameter description on page A 26 4 Click on OK You return to the Edit Connector window 5 Click on Done You return to the Configuration Manager window 308623 14 00 Rev 00 4 5 Configuring Ethernet FDDI and Token Ring Services Specifying the Ring Speed You can set the ring speed for a token ring interface to 4 or 16 Mb s By default the ring speed is 16 Mb s If you use 16 Mb s the router enables the early token release protocol which is used extensively on 16 Mb s media In the unlikely event that you want to disable early token release over 16 Mb s token ring media disable early token release as described in the next section Using the BCC To set the ring speed for a token ring interface access an existing token ring line service and enter speed lt value gt value is either 4 or 16 For example to set the ring speed to 16 Mb s enter the following command sequence box tokenring slot 9 connector 1 tokenring 9 1 speed 16 Using Site Manager To set the ring speed complete the following tasks Site Manager Procedure
124. stem responds 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window Enabling or Disabling Status Report Frames Status report frames SRFs allow the Status Report protocol to report node conditions and events A condition occurs when a node enters a specific state for example duplicate address detected An event is an immediate occurrence for example the generation of a trace By default the FDDI line generates an SRF announcement frame for its implemented events for example high bit errors topology changes trace status events MAC frame error condition and MAC duplicate address condition Nortel Networks recommends enabling SRFs to ensure that your FDDI network is ANSI compliant To disable or reenable SRFs for this circuit complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens choose a FDDI Connector 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose SMT Attributes The FDDI SMT Attributes window opens 5 Setthe Status Report Protocol parameter Click on Help or see the parameter description on page A 21 6 Click on OK You return to the FDDI Advanced Attributes window continued 3 14 308623 14 00 Rev 00 C
125. stination or it may function as a so called one armed router returning frames to the device from which it received them but forwarding them to a different logical entity Shared usage of a common physical port often referred to as a tagged port is facilitated by the addition of two 2 byte fields within the standard Ethernet header Figure 5 4 IEEE 802 1Q encapsulation Destination address Ethernet encapsulation 6 octets Destination address Source address 6 octets 6 octets Tag protocol identifier Source address 2 octets 6 octets Protocol type Tag control information 2 octets 2 octets Data Protocol type 46 to 1496 octets 2 octets FCS Data 4 octets 46 to 1496 octets Maximum size 1514 octets FCS 4 octets Maximum size 1518 octets SN0016A Figure 5 4 IEEE 802 1Q Tagging 5 6 308623 14 00 Rev 00 Configuring 802 1Q Tagging The IEEE has not yet standardized values for the tag protocol identifier TPID field leaving vendors to provide their own proprietary values The Accelar family of routing switches for example writes a value of 8100 hexadecimal to this field The tag control information TCI field contains a unique value that identifies the VLAN on which the frame originated This value is assigned during the configuration of the layer 2 device The addition of the four bytes required for the TPID and TCI fields raises the possibility of generating frames up
126. t lt s ot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Admin State HW Address Operational State Slot location of the token ring module within the chassis and the connector number Name of the circuit associated with this line Configured state of the token ring interface Up or Down Line s physical address The driver assigns this address State of the line Up Down Init initializing or Not Pres enabled but not yet started The Not Pres state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration continued B 24 308623 14 00 Rev 00 BCC show Commands Total Time Up Down If the line is not up Operational State does not equal Up then three dashes appear If the line is up Operational State equals Up then the value appears in the form hhhmmmsss where hh is hours mm is minutes and ss is seconds For example the value might appear as 5h31m05s If the value is greater than 24 hours it appears in the form dddhhh mmm where ddis days hh is hours and mm is minutes For
127. tate of the FDDI interface Up or Down Line s physical address The driver assigns this address State of the line driver Up Down Init initializing or Not Pres not present The Not Pres state occurs for several reasons For example the link module may not be physically present in the chassis the software may be booting and has not yet initialized the driver software the slot may be running diagnostics or there may be a problem with the configuration If the line is not up Operational State does not equal Up then three dashes appear If the line is up Operational State equals Up then the value appears in the form hhhmmmsss where hh is hours mm is minutes and ss is seconds For example the value might appear as 5h31m05s If the value is greater than 24 hours it appears in the form dadhhhmmm where dd is days hh is hours and mm is minutes For example the value might appear as 2d10h15m continued 308623 14 00 Rev 00 B 13 Configuring Ethernet FDDI and Token Ring Services Errors Total number of errors see show fddi errors for greater detail MTU Maximum transmission unit size the maximum frame length allowed on the wire excluding frame delimiters such as the preamble and the ending delimiter The MTU of a FDDI frame is 4495 octets show fddi detail The show fddi detail command displays the MIB data about all FDDI circuits or a specific circuit or slot This command allows
128. tation on the ring Number of interrupts caused by opens or shorts cable faults between the adapter and the MAU Number of Claim Token MAC frames ring recoveries observed on the ring 308623 14 00 Rev 00 B 27 Configuring Ethernet FDDI and Token Ring Services show token ring sample The show token ring sample command displays data sampled from token ring interfaces over a period of 10 seconds You can change the number of seconds over which you want to sample the data and you can display sampled data for a specific circuit or slot This command allows for the following command filters flags and filter arguments period lt number_of_seconds gt circuit lt circuit_name gt slot lt s ot gt lt circuit_name gt Displays data sampled during the period number of seconds specified Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Input Rate lt sec gt bytes sec Input Rate lt sec gt Pkts sec Output Rate lt sec gt bytes sec Output Rate lt sec gt Pkts sec Input Lack of Resource Output Lack of Resource Slot location of the token ring module within the chassis and the connector number Name of the circuit associated with this line Number of bytes received without error Number of frames rec
129. tions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters BofL Enable Configuration Manager gt XCVR Connector gt Edit Line Enable Enable Disable When set to Enable the router sends BofL polling messages from this system to all systems on the local network Set to Enable or Disable We recommend that you enable BofL 1 3 6 1 4 1 18 3 4 1 1 7 BofL Timeout Configuration Manager gt XCVR Connector gt Edit Line 5 4 if router redundancy is enabled 1 to 60 seconds Specifies the time between transmissions of BofL messages from this Ethernet interface Timeout will occur if five periods elapse without a successful BofL message transmission When timeout occurs the router disables and reenables the Ethernet interface This parameter is valid only if you set the BofL Enable parameter to Enable Accept the default BofL timeout of 5 seconds or specify a new value up to 60 seconds 1 3 6 1 4 1 18 3 4 1 1 8 BofL Retries Configuration Manager gt XCVR Connector gt Edit Line 5 4 if router redundancy is enabled 1 to 60 retries Specifies the number of BofL messages this interface can retransmit before the router declares the circuit down Either accept the default of 5 BofL retries or specify a value from 1 to 60 retries Use this parameter in conjunction with the BofL Timeout and BofL Timeout Divisor parameters to decrease or increase the
130. ts and the same physical topology with an intelligent switching device such as one of the Accelar family of routing switches providing connectivity SS LAN LAN Segment 1 Segment 1 Engineering VLAN H H LAN LAN Segment 2 Segment 2 Segment 3 Segment 3 Marketing VLAN Hub el LAN Segment 4 Bridge p S VLAN device Figure 5 1 VLAN Topology SN0007A As illustrated in Figure 5 1 the four VLAN segments can be reconfigured as two VLANs the Engineering VLAN consisting of LAN segments 1 and 2 and the Marketing VLAN consisting of LAN segments 3 and 4 5 2 308623 14 00 Rev 00 Configuring 802 1Q Tagging A VLAN contains broadcast traffic within software defined boundaries With reference to Figure 5 1 broadcast traffic within the bridged topology is propagated across all physical interfaces For example a broadcast frame originated by a workstation on LAN segment 1 is forwarded to LAN segments 2 3 and 4 In contrast within the VLAN topology a broadcast frame originated by a workstation on LAN segment 1 is forwarded only to LAN segment 2 Broadcast traffic is confined with the bounds of the VLAN e A VLAN provides low latency wire speed communication between VLAN members All members of the Engineering VLAN for example communicate at wire speed whether they are physically connected to LAN segment 1 or 2 e A VLAN supports network segmentation or microsegmentation a VLA
131. ts duplicate MAC addresses on the ring Generates periodic keepalive traffic that verifies the local MAC transmit and receive paths Using the BCC To set the neighbor notification interval access an existing FDDI line service and enter neighbor notify time lt nteger gt integer is the neighbor notification interval value expressed in seconds You can enter any integer value from 2 to 30 For example to set the neighbor notification interval to 10 enter the following command sequence box fddi slot 11 connector 1 fddi 11 1 neighbor notify time 10 Using Site Manager To set the neighbor notification interval complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose a FDDI Connector The Edit Connector window opens 2 Choose Edit Line The Edit FDDI Parameters window opens 3 Choose Expert The FDDI Advanced Attributes window opens 4 Choose SMT Attributes The FDDI SMT Attributes window opens 5 Setthe T Notify Timeout parameter Click on Help or see the parameter description on page A 20 6 Click on OK You return to the FDDI Advanced Attributes window 7 Click on Done You return to the Edit Connector window 8 Click on Done You return to the Configuration Manager window 3 12 308623 14 00 Rev 00 Configuring FDDI Services Specifyin
132. with the configuration Number of frames that this station copied with bad format or Frame Check Sequence FCS errors or frames with no bit transition for 5 1 2 bit times Number of transmit frames with internal abort errors or aborted with underrun errors Number of octets received without error Number of octets transmitted without error Number of frames received without error Number of frames transmitted without error continued 308623 14 00 Rev 00 B 29 Configuring Ethernet FDDI and Token Ring Services Avg PKt Receive Transmit Multicast Receive Average packet size number of bytes divided by number of frames received without error Average packet size number of bytes divided by number of frames transmitted without error Number of packets received that are not unicast packets show token ring summary The show token ring summary command displays the current configuration for all token ring circuits or a specific circuit or slot This command allows for the following command filters flags and filter arguments circuit lt circuit_name gt Slot lt s ot gt lt circuit_name gt Displays information about the specified circuit only Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Admin State HW Address Operational State Slot location
133. work Packet Exchange Integrated Services Digital Network International Organization for Standardization International Telecommunication Union Telecommunication Standardization Sector formerly CCITT local area network link error monitoring link error rate logical link control media access control media access unit or multistation access unit 308623 14 00 Rev 00 XV Configuring Ethernet FDDI and Token Ring Services MDI media dependent interface MIB management information base MIC media interface connector MII media independent interface NIF neighbor information frame NSA network service address OSI Open Systems Interconnection PC physical connection PDU protocol data unit PHY physical layer PMD physical layer media dependent PROM programmable read only memory RMT ring management SMT station management SRF status report frame STP shielded twisted pair TCI tag control information TPE twisted pair Ethernet TPID tag protocol identifier TTP Timed Token Protocol TTRT token target rotation time TVX valid transmission timer UTP unshielded twisted pair VLAN virtual LAN WAN wide area network XNS Xerox Network System xvi 308623 14 00 Rev 00 Preface Hard Copy Technical Manuals You can print selected technical manuals and release notes free directly from the Internet Go to support baynetworks com library tpubs Find the product for which you need documentation Then locate the specific categ
134. y Displays information about the specified slot only Displays information about the specified circuit only The output includes the following information Slot Conn Circuit Local Port Neighbor Port Type Slot location of the FDDI module within the chassis and the connector number Name of the circuit associated with this line Physical connector type of the local port as follows A Port is a dual attachment station or concentrator that attaches to the primary IN and the secondary OUT when attaching to the dual FDDI ring B Port is a dual attachment station or concentrator that attaches to the secondary IN and the primary OUT when attaching to the dual FDDI ring M Port is in a concentrator that serves as a master to a connected station or concentrator S Port is in a single attachment station Unknown Type of the port is unknown Physical connector type of the remote port A B M S Unknown continued B 18 308623 14 00 Rev 00 Physical State Link Error Monitor Count Elasticity Buffer Errors Link Confidence Count BCC show Commands State of the Physical Connection Management PCM for each port within SMT PCM initializes the connection of neighboring ports and manages signaling between ports PCM provides the necessary signaling to initialize a connection withhold a marginal connection and support maintenance features PCM passes through a variety of states as follows Off I
135. y Licensee shall not sublicense assign or otherwise disclose to any third party the Software or any information about the operation design performance or implementation of the Software and user manuals that is confidential to Nortel Networks and its licensors however Licensee may grant permission to its consultants subcontractors and agents to use the Software at Licensee s facility provided they have agreed to use the Software only in accordance with the terms of this license 3 Limited warranty Nortel Networks warrants each item of Software as delivered by Nortel Networks and properly installed and operated on Nortel Networks hardware or other equipment it is originally licensed for to function substantially as described in its accompanying user manual during its warranty period which begins on the date Software is first shipped to Licensee If any item of Software fails to so function during its warranty period as the sole remedy Nortel Networks will at its discretion provide a suitable fix patch or workaround for the problem that may be included in a future Software release Nortel Networks further warrants to Licensee that the media on which the Software is provided will be free from defects in materials and workmanship under normal use for a period of 90 days from the date Software is first shipped to Licensee Nortel Networks will replace defective media at no charge if it is returned to Nortel Networks during the warranty period alon

Avaya Configuring Ethernet, FDDI, and Token Ring Services User's Manual

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