Avaya Configuring Frame Relay Services Uživatelský manuál

BayRS Version 14.10Part No. 308624-14.10 Rev 01January 20004401 Great America ParkwaySanta Clara, CA 95054Configuring Frame Relay Services

x308624-14.10 Rev 01Enabling Traffic Shaping ...5-33Customizing

Configuring Frame Relay Services4-18308624-14.10 Rev 01Using Site ManagerTo enable congestion control for the interface, complete the following tasks:

Customizing PVCs308624-14.10 Rev 014-19 Congestion ControlTo enable or disable congestion control, navigate to the prompt for the PVC you want to modi

Configuring Frame Relay Services4-20308624-14.10 Rev 01Congestion CounterTo change the value for the congestion counter, navigate to the prompt for th

Customizing PVCs308624-14.10 Rev 014-21 Using Site ManagerTo modify congestion control for individual PVCs, complete the following tasks:Using Traffic

Configuring Frame Relay Services4-22308624-14.10 Rev 01Using the BCCTo enable traffic shaping, you configure the following parameters: normal-queue-li

Customizing PVCs308624-14.10 Rev 014-23 To set a PVC normal queue limit of 40, navigate to the prompt for the PVC you want to edit and enter:pvc/1/2/5

Configuring Frame Relay Services4-24308624-14.10 Rev 01To change the value for the excess burst, navigate to the prompt for the PVC you want to modify

Customizing PVCs308624-14.10 Rev 014-25 Using Site ManagerUsing Site Manager, you can configure only the Committed Burst, the Excess Burst, and the Th

Configuring Frame Relay Services4-26308624-14.10 Rev 01Disabling and Reenabling Data Compression for PVCsCompression control is enabled by default. Yo

Customizing PVCs308624-14.10 Rev 014-27 Grouping Service Records for Multiline ModeUsing Site Manager, you can configure two or more service records t

308624-14.10 Rev 01xishow frame-relay stats lapf ...C-9show frame-r

Configuring Frame Relay Services4-28308624-14.10 Rev 01Removing Multiline ServicesTo remove multiline services, complete the following tasks:6. Choose

308624-14.10 Rev 015-1 Chapter 5Customizing SVCsWhen you enable frame relay, default values are in effect for all parameters. Depending on your networ

Configuring Frame Relay Services5-2308624-14.10 Rev 01Adding Service Records for SVCsA service record is a data structure that allows flexible groupin

Customizing SVCs308624-14.10 Rev 015-3 Finally, configure the local address for the service record you just added (for example, box; serial/1/2; frame

Configuring Frame Relay Services5-4308624-14.10 Rev 01Deleting Service Records for SVCsYou can use either the BCC or Site Manager to delete service re

Customizing SVCs308624-14.10 Rev 015-5 Call Screening and BlockingYou can use either the BCC or Site Manager to configure call screening and blocking

Configuring Frame Relay Services5-6308624-14.10 Rev 01For example, the following command line blocks outbound calls on the SVC:service/8.0.32# svc-ca

Customizing SVCs308624-14.10 Rev 015-7 Using Site ManagerTo configure call blocking and screening, complete the following tasks: Adding SVC Options to

Configuring Frame Relay Services5-8308624-14.10 Rev 01Using Site ManagerTo add SVCs to existing service records, complete the following tasks: Site Ma

Customizing SVCs308624-14.10 Rev 015-9 Disabling SVCsYou can use either the BCC or Site Manager to disable SVCs without deleting them.Using the BCCTo

Configuring Frame Relay Services5-10308624-14.10 Rev 01Disconnecting Active SVCsYou will see the Active Calls button in Site Manager only when there i

Customizing SVCs308624-14.10 Rev 015-11 Modifying LAPF Parameters for SVCsFrame relay LAPF (link access procedure, frame mode) services support the re

Configuring Frame Relay Services5-12308624-14.10 Rev 01StateYou can enable or disable LAPF using the state parameter.To change the LAPF state, navigat

Customizing SVCs308624-14.10 Rev 015-13 Initiation ModeInitiation mode determines the action LAPF will take to initiate link setup by sending or holdi

Configuring Frame Relay Services5-14308624-14.10 Rev 01Idle TimerThe idle timer indicates the amount of time that the router allows with no data being

Customizing SVCs308624-14.10 Rev 015-15 To set the information limit, navigate to the lapf prompt (for example, box; serial/1/2; frame-relay/1/2; lapf

Configuring Frame Relay Services5-16308624-14.10 Rev 013. Choose Interfaces. The Frame Relay Interface List window opens.4. Select a service record th

Customizing SVCs308624-14.10 Rev 015-17 Modifying Signaling Parameters for SVCsA DTE and the frame relay network exchange various type of signaling me

Configuring Frame Relay Services5-18308624-14.10 Rev 01Maximum SVCsMaximum SVCs indicates the maximum number of simultaneous switched virtual circuits

Customizing SVCs308624-14.10 Rev 015-19 Disconnect TimerThe disconnect timer indicates the number of seconds allowed from the time the router sends a

308624-14.10 Rev 01xiiiFiguresFigure 1-1. Frame Relay Network ...1-2Figure

Configuring Frame Relay Services5-20308624-14.10 Rev 01Call Proceeding TimerThe call proceeding timer indicates the number of seconds allowed from the

Customizing SVCs308624-14.10 Rev 015-21 Status Enquiry RetryThe status enquiry retry indicates the maximum number of times the router will retransmit

Configuring Frame Relay Services5-22308624-14.10 Rev 01Setting Inactivity Values for SVCsYou can control how and when the router disconnects SVCs acco

Customizing SVCs308624-14.10 Rev 015-23 The value can be from 0 to 2147483647 seconds. The default is 60 seconds.For example, the following command li

Configuring Frame Relay Services5-24308624-14.10 Rev 01Individual SVC Inactivity ValuesTo set the inactivity timer and direction for a particular SVC,

Customizing SVCs308624-14.10 Rev 015-25 Using Site ManagerTo set inactivity values for a service record, complete the following tasks:To set the inact

Configuring Frame Relay Services5-26308624-14.10 Rev 01Controlling Congestion for SVCsCongestion occurs when a network device receives more frames tha

Customizing SVCs308624-14.10 Rev 015-27 Configuring Congestion Control for an InterfaceYou can use either the BCC or Site Manager to control congestio

Configuring Frame Relay Services5-28308624-14.10 Rev 01For example, the following command line sets a congestion timerof 2.5 seconds:frame-relay/1/2#

Customizing SVCs308624-14.10 Rev 015-29 Using Site ManagerTo configure congestion control for the interface you must first enable congestion control.

Configuring Frame Relay Services5-30308624-14.10 Rev 01Configuring Congestion Control for Individual SVCsYou can use either the BCC or Site Manager to

Customizing SVCs308624-14.10 Rev 015-31 Congestion CounterTo change the value for the congestion counter, navigate to the prompt for the SVC you want

Configuring Frame Relay Services5-32308624-14.10 Rev 01Using Site ManagerTo configure congestion control for individual SVCs, complete the following t

Customizing SVCs308624-14.10 Rev 015-33 Using Traffic Shaping with SVCsTo use traffic shaping, first you enable it. You can then customize the traffic

Configuring Frame Relay Services5-34308624-14.10 Rev 01To set the traffic-shaping-control parameter, navigate to the prompt for the SVC you want to mo

Customizing SVCs308624-14.10 Rev 015-35 Customizing Traffic Shaping Quality of ServiceYou can use the BCC and Site Manager to customize quality of ser

Configuring Frame Relay Services5-36308624-14.10 Rev 01To change the value for committed-burst-in or committed-burst-out, navigate to the prompt for t

Customizing SVCs308624-14.10 Rev 015-37 CIR (Throughput)The CIR (committed information rate), or throughput, defines the number of bits per second you

Configuring Frame Relay Services5-38308624-14.10 Rev 01For example, the following command line sets a cir-in-minimum value of 10,000 bits:svc-option/t

Customizing SVCs308624-14.10 Rev 015-39 Disabling and Reenabling Data Compression for SVCsYou can use the BCC or Site Manager to disable and reenable

308624-14.10 Rev 01xvTablesTable 1-1. PVC and SVC Protocol and Feature Support ...1-4Table 1-2. LAPF Timeout an

Configuring Frame Relay Services5-40308624-14.10 Rev 01Using Site ManagerTo enable data compression for SVCs, first select WCP from the Protocols menu

Customizing SVCs308624-14.10 Rev 015-41 Setting X.213 Priorities for SVCsSome frame relay networks can prioritize SVC data and connection characterist

Configuring Frame Relay Services5-42308624-14.10 Rev 01To set X.213 priority values, navigate to the prompt for the SVC you want to modify (for exampl

Customizing SVCs308624-14.10 Rev 015-43 6. Choose the SVC record whose values for the following parameters match the remote end of the SVC connection.

308624-14.10 Rev 01A-1 Appendix ASite Manager ParametersThis appendix contains the following information:For each parameter, this appendix provides th

Configuring Frame Relay ServicesA-2308624-14.10 Rev 01The Technician Interface allows you to modify attributes by issuing set and commit commands with

Site Manager Parameters308624-14.10 Rev 01A-3 If you have configured any SVCs, you see a window similar to the one in Figure A-2, which includes butto

Configuring Frame Relay ServicesA-4308624-14.10 Rev 01Frame Relay Interface parameters are the same for PVCs and SVCs. Use the descriptions that follo

Site Manager Parameters308624-14.10 Rev 01A-5 Parameter: Mgmnt TypePath: Configuration Manager > Protocols > Frame Relay > InterfacesDefault:

Configuring Frame Relay ServicesA-6308624-14.10 Rev 01Parameter: AddressPath: Configuration Manager > Protocols > Frame Relay > InterfacesDef

Site Manager Parameters308624-14.10 Rev 01A-7 Parameter: Polling IntervalPath: Configuration Manager > Protocols > Frame Relay > InterfacesDe

Configuring Frame Relay ServicesA-8308624-14.10 Rev 01Parameter: Error ThresholdPath: Configuration Manager > Protocols > Frame Relay > Inter

Site Manager Parameters308624-14.10 Rev 01A-9 Parameter: MulticastPath: Configuration Manager > Protocols > Frame Relay > InterfacesDefault:

Configuring Frame Relay ServicesA-10308624-14.10 Rev 01Parameter: Congestion TimerPath: Configuration Manager > Protocols > Frame Relay > Int

Site Manager Parameters308624-14.10 Rev 01A-11 Parameter: Congestion MethodPath: Configuration Manager > Protocols > Frame Relay > Interfaces

Configuring Frame Relay ServicesA-12308624-14.10 Rev 01SVC LAPF ParametersIf you configure SVCs, the LAPF values in the Frame Relay LAPF Parameters wi

Site Manager Parameters308624-14.10 Rev 01A-13 To access the FR LAPF Parameters window, complete the following tasks:Site Manager ProcedureYou do this

Configuring Frame Relay ServicesA-14308624-14.10 Rev 01Parameter: Action InitiatePath: Configuration Manager > Protocols > Interfaces > LAPFD

Site Manager Parameters308624-14.10 Rev 01A-15 Parameter: T200, Base TimerPath: Configuration Manager > Protocols > Interfaces > LAPFDefault:

308624-14.10 Rev 01xvii PrefaceThis guide describes frame relay and what you do to start and customize frame relay services on a Nortel Networks™ rout

Configuring Frame Relay ServicesA-16308624-14.10 Rev 01Parameter: N200, Max RetriesPath: Configuration Manager > Protocols > Interfaces > LAP

Site Manager Parameters308624-14.10 Rev 01A-17 SVC Signaling ParametersIf you configure SVCs, signaling parameters are important to your network. You

Configuring Frame Relay ServicesA-18308624-14.10 Rev 01To access the Frame Relay Signaling Parameters window:Site Manager ProcedureYou do this System

Site Manager Parameters308624-14.10 Rev 01A-19 Parameter: T303, Setup Message TimerPath: Configuration Manager > Protocols > Frame Relay > In

Configuring Frame Relay ServicesA-20308624-14.10 Rev 01Parameter: T308, Release TimerPath: Configuration Manager > Protocols > Frame Relay >

Site Manager Parameters308624-14.10 Rev 01A-21 Parameter: T322, Status Enq Retry TimerPath: Configuration Manager > Protocols > Frame Relay >

Configuring Frame Relay ServicesA-22308624-14.10 Rev 01Service Name ParameterThe Frame Relay Service List window (Figure A-5) contains the Service Nam

Site Manager Parameters308624-14.10 Rev 01A-23 To access the Frame Relay Service List window:Site Manager ProcedureYou do this System responds1. In th

Configuring Frame Relay ServicesA-24308624-14.10 Rev 01PVC ParametersThis section contains information about the following topics:DLCI Parameter for E

Site Manager Parameters308624-14.10 Rev 01A-25 4. Click on PVCs. The FR PVC List for Service window opens.5. Click on Add. The Frame Relay PVC Add win

Configuring Frame Relay Servicesxviii308624-14.10 Rev 01Text ConventionsThis guide uses the following text conventions:angle brackets (< >) Indi

Configuring Frame Relay ServicesA-26308624-14.10 Rev 01PVC Service Record ParametersThe FR PVC List for Service window (Figure A-7) contains the PVC p

Site Manager Parameters308624-14.10 Rev 01A-27 To access the FR PVC List for Service window:Site Manager ProcedureYou do this System responds1. In the

Configuring Frame Relay ServicesA-28308624-14.10 Rev 01Parameter: Hybrid ModePath: Configuration Manager > Protocols > Frame Relay > Services

Site Manager Parameters308624-14.10 Rev 01A-29 Parameter: ThroughputPath: Configuration Manager > Protocols > Frame Relay > Services > PVC

Configuring Frame Relay ServicesA-30308624-14.10 Rev 01Parameter: Congestion TimerPath: Configuration Manager > Protocols > Frame Relay > Ser

Site Manager Parameters308624-14.10 Rev 01A-31 Parameter: Congestion MethodPath: Configuration Manager > Protocols > Frame Relay > Services &

Configuring Frame Relay ServicesA-32308624-14.10 Rev 01Multiline Algorithm ParameterFor each multiline configuration, you specify the multiline algori

Site Manager Parameters308624-14.10 Rev 01A-33 This window lets you:• Specify how a multiline circuit distributes traffic by setting the Multiline Alg

Configuring Frame Relay ServicesA-34308624-14.10 Rev 01Parameter: Multiline Algorithm to Choose LinePath: Configuration Manager > Protocols > Fr

Site Manager Parameters308624-14.10 Rev 01A-35 C Service Record ParametersThis section contains the following information:SVC Service List ParametersT

Preface308624-14.10 Rev 01xix AcronymsThis guide uses the following acronyms:screen text Indicates system output, for example, prompts and system mess

Configuring Frame Relay ServicesA-36308624-14.10 Rev 01To access the Frame Relay Service List window:You must enable the SVC Support parameter before

Site Manager Parameters308624-14.10 Rev 01A-37 Parameter: SVC Local Party NumberPath: Configuration Manager > Protocols > Frame Relay > Servi

Configuring Frame Relay ServicesA-38308624-14.10 Rev 01Parameter: SVC Local Party Type of NumberPath: Configuration Manager > Protocols > Frame

Site Manager Parameters308624-14.10 Rev 01A-39 Parameter: SVC InScreening UsagePath: Configuration Manager > Protocols > Frame Relay > Servic

Configuring Frame Relay ServicesA-40308624-14.10 Rev 01Parameter: SVC Inactivity ModePath: Configuration Manager > Protocols > Frame Relay >

Site Manager Parameters308624-14.10 Rev 01A-41 SVC Options ParametersYou can edit SVC Options parameters in the Frame Relay SVC Options Add window (Fi

Configuring Frame Relay ServicesA-42308624-14.10 Rev 01Parameter: Options NamePath: Configuration Manager > Protocols > Frame Relay > Service

Site Manager Parameters308624-14.10 Rev 01A-43 Parameter: Remote Party Number PlanPath: Configuration Manager (select a connector) > Edit Connector

Configuring Frame Relay ServicesA-44308624-14.10 Rev 01SVC Options List for Service ParametersWhen you have finished editing the options parameters, y

Site Manager Parameters308624-14.10 Rev 01A-45 To access the FR SVC Options List for Service window, complete the following tasks:Site Manager Procedu

ii308624-14.10 Rev 01 Copyright © 1999 Nortel NetworksAll rights reserved. Printed in the USA. January 2000.The information in this document is subjec

Configuring Frame Relay Servicesxx308624-14.10 Rev 01DLCMI Data Link Control Management InterfaceDTE data terminal equipmentEA extended address bitFEC

Configuring Frame Relay ServicesA-46308624-14.10 Rev 01Parameter: Inactivity TimerPath: Configuration Manager > Protocols > Frame Relay > Ser

Site Manager Parameters308624-14.10 Rev 01A-47 Parameter: X.213 Data PriorityPath: Configuration Manager > Protocols > Frame Relay > Services

Configuring Frame Relay ServicesA-48308624-14.10 Rev 01Parameter: X.213 Gain PriorityPath: Configuration Manager > Protocols > Frame Relay >

Site Manager Parameters308624-14.10 Rev 01A-49 Parameter: X.213 Keep PriorityPath: Configuration Manager > Protocols > Frame Relay > Services

Configuring Frame Relay ServicesA-50308624-14.10 Rev 01Parameter: LL Core Out ThroughputPath: Configuration Manager > Protocols > Frame Relay &g

Site Manager Parameters308624-14.10 Rev 01A-51 Parameter: LL Core Min In ThroughputPath: Configuration Manager > Protocols > Frame Relay > Se

Configuring Frame Relay ServicesA-52308624-14.10 Rev 01Parameter: LL Core In Committed BurstPath: Configuration Manager (select a connector) > Edit

Site Manager Parameters308624-14.10 Rev 01A-53 Parameter: LL Core In Excess BurstPath: Configuration Manager (select a connector) > Edit Connector

Configuring Frame Relay ServicesA-54308624-14.10 Rev 01Parameter: Congestion TimerPath: Configuration Manager (select a connector) > Edit Connector

Site Manager Parameters308624-14.10 Rev 01A-55 Parameter: Congestion MethodPath: Configuration Manager (select a connector) > Edit Connector window

Preface308624-14.10 Rev 01xxi Hard-Copy Technical ManualsYou can print selected technical manuals and release notes free, directly from the Internet.

Configuring Frame Relay ServicesA-56308624-14.10 Rev 01Parameter: WCP EnablePath: Configuration Manager (select a connector) > Edit Connector windo

308624-14.10 Rev 01B-1 Appendix BRIP Management for Frame Relay SVCsIP and IPX use RIP to inform network entities of routing topology changes. Both IP

Configuring Frame Relay ServicesB-2308624-14.10 Rev 01Table B-1. RIP ParametersIP or IPX RIP EnableIP or IPX RIP Frame Relay SVC Broadcast EnableFrame

RIP Management for Frame Relay SVCs308624-14.10 Rev 01B-3 Enabled Disabled Both Directions Inactivity < RIP When the RIP timer expires: • RIP packe

Configuring Frame Relay ServicesB-4308624-14.10 Rev 01Enabled Enabled Either Direction Inactivity < RIP When the RIP timer expires: • RIP packets w

RIP Management for Frame Relay SVCs308624-14.10 Rev 01B-5 Enabled Disabled Transmit Inactivity > RIP When the RIP timer expires:• RIP packets will

Configuring Frame Relay ServicesB-6308624-14.10 Rev 01Enabled Enabled Receive Inactivity > RIP When the RIP timer expires:• RIP packets will be sen

RIP Management for Frame Relay SVCs308624-14.10 Rev 01B-7 Enabled Disabled Receive Inactivity < RIP When the RIP timer expires:• RIP packets will b

308624-14.10 Rev 01C-1 Appendix CMonitoring Frame Relay Usingthe BCC show CommandTo display configuration and statistical data about frame relay, use

Configuring Frame Relay Servicesxxii308624-14.10 Rev 01How to Get HelpIf you purchased a service contract for your Nortel Networks product from a dist

Configuring Frame Relay ServicesC-2308624-14.10 Rev 01Online Help for show CommandsTo display a list of command options, enter show frame-relay ? at a

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-3 The output contains the following information:Interface Interface on which the

Configuring Frame Relay ServicesC-4308624-14.10 Rev 01show frame-relay multilineDisplays information about frame relay service information for multili

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-5 show frame-relay multiline servicesShows frame relay information for multiline

Configuring Frame Relay ServicesC-6308624-14.10 Rev 01show frame-relay shapingDisplays information about the traffic shaping configuration of all fram

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-7 show frame-relay statsThe show frame-relay stats command displays statistical

Configuring Frame Relay ServicesC-8308624-14.10 Rev 01show frame-relay stats errorDisplays error statistics for frame relay interfaces. This command a

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-9 show frame-relay stats lapfDisplays LAPF receive, transmit, traffic, and error

Configuring Frame Relay ServicesC-10308624-14.10 Rev 01show frame-relay stats lapf receiveDisplays LAPF receive statistics for frame relay interfaces.

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-11 show frame-relay stats lapf traffic Displays LAPF traffic statistics for fram

308624-14.10 Rev 011-1 Chapter 1Frame Relay OverviewThe following sections present an overview of frame relay.Topic PageIntroduction to Frame Relay 1-

Configuring Frame Relay ServicesC-12308624-14.10 Rev 01show frame-relay stats shapingDisplays high queue, normal queue, low queue, and summary traffic

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-13 The output for all the shaping subcommand options contains the following info

Configuring Frame Relay ServicesC-14308624-14.10 Rev 01show frame-relay stats signalling receiveDisplays signalling receive statistics for frame relay

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-15 show frame-relay stats signalling transmitDisplays signalling transmit statis

Configuring Frame Relay ServicesC-16308624-14.10 Rev 01show frame-relay stats vcsDisplays inbound and outbound statistics for frame relay VCs.This com

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-17 show frame-relay summaryDisplays general information about all frame relay in

Configuring Frame Relay ServicesC-18308624-14.10 Rev 01The output includes the following information:Interface Interface on which the frame relay circ

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-19 show frame-relay svcsDisplays general information about all frame relay SVCs.

Configuring Frame Relay ServicesC-20308624-14.10 Rev 01show frame-relay svcs priorityDisplays priority information for active frame relay SVCs.The out

Monitoring Frame Relay Using the BCC show Command308624-14.10 Rev 01C-21 show frame-relay vcsDisplays information about all those frame relay VCs with

Configuring Frame Relay Services1-2308624-14.10 Rev 01Introduction to Frame RelayFrame relay is a high-speed, packet-switching WAN protocol that conne

Configuring Frame Relay ServicesC-22308624-14.10 Rev 01The output includes the following information:Interface Interface on which the frame relay circ

308624-14.10 Rev 01Index-1Aaccess modes, description, 1-15acronyms, xixAction Initiate parameter, A-14active state, 1-9Address Length parameter, A-6Ad

Index-2308624-14.10 Rev 01conventions, text, xviiicustomer support, xxiicustomizing frame relay, 3-1, 4-1, 5-1Ddata clipping, for traffic shaping, 1-3

308624-14.10 Rev 01Index-3KK, Max Window Size parameter, A-16LLAPFactive state, 1-9call present state, 1-12call proceeding processing, 1-13call setup

Index-4308624-14.10 Rev 01NN200 retransmission timeout, 1-10N200, Max Retries parameter, A-16N201, Max Frame Size parameter, A-16N322, Status Enq Retr

308624-14.10 Rev 01Index-5source routing using RFC 1490, 1-18starting frame relay, 2-1Station Type parameter, A-13support, Nortel Networks, xxiiSVC Ca

Index-6308624-14.10 Rev 01traffic shapingbuffer queue limits, 1-31CIR, description, 1-23committed burst rate, 1-24configuration guidelines, 1-29custom

Frame Relay Overview308624-14.10 Rev 011-3 Frame relay assumes that networks use transmission lines with low error rates, such as digital transmission

Configuring Frame Relay Services1-4308624-14.10 Rev 01SVCs provide true bandwidth-on-demand service that can be customized based on the application in

Frame Relay Overview308624-14.10 Rev 011-5 Frame Relay PacketsFigure 1-2 illustrates the structure of a frame relay packet. The packet’s header field

Configuring Frame Relay Services1-6308624-14.10 Rev 01Figure 1-2. Frame Relay Header: 2-Byte FormatFigure 1-2 shows the frame relay header as a 2-byte

Frame Relay Overview308624-14.10 Rev 011-7 Management ProtocolsFrame relay is an access protocol that runs between a router or data terminal equipment

308624-14.10 Rev 01iiiNortel Networks NA Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using t

Configuring Frame Relay Services1-8308624-14.10 Rev 01Frame Relay SVC Signaling and LAPFFigure 1-5 shows the layers of protocol standards for frame re

Frame Relay Overview308624-14.10 Rev 011-9 LAPF defines the following categories of management frames to support reliable transfer of multiple numbere

Configuring Frame Relay Services1-10308624-14.10 Rev 01LAPF Timeout and Retransmission TimersTable 1-2 lists the timers and retransmission limits defi

Frame Relay Overview308624-14.10 Rev 011-11 The supervisory frames, RNR and RR, support flow control on the channel. If the receiver is not ready to r

Configuring Frame Relay Services1-12308624-14.10 Rev 01Table 1-3. Network TimersTimerDefault Timeout(secs) State of Call Cause for Start Normal StopAt

Frame Relay Overview308624-14.10 Rev 011-13 Message ProcessingTable 1-4 shows how the router software handles various types of message exchanges.Table

Configuring Frame Relay Services1-14308624-14.10 Rev 01Frame Relay Service RecordsThe router software uses service records to define frame relay circu

Frame Relay Overview308624-14.10 Rev 011-15 Multiple Service RecordsInterfaces can have multiple service records, and each service record can contain

Configuring Frame Relay Services1-16308624-14.10 Rev 01Direct Access ModeDirect mode describes a service record with one PVC. In direct access mode, u

Frame Relay Overview308624-14.10 Rev 011-17 Using Hybrid Mode for Transparent BridgingFigure 1-7 shows bridged traffic between site A and site B. The

iv308624-14.10 Rev 014. Limitation of liability. IN NO EVENT WILL NORTEL NETWORKS OR ITS LICENSORS BE LIABLE FOR ANY COST OF SUBSTITUTE PROCUREMENT;

Configuring Frame Relay Services1-18308624-14.10 Rev 01Source RoutingSource routing is the method by which a bridge sends data across two networks. Th

Frame Relay Overview308624-14.10 Rev 011-19 Address Resolution for SVCsFor SVCs, adjacent host configuration including either an E.164 or X.121 addres

Configuring Frame Relay Services1-20308624-14.10 Rev 01Figure 1-8. Big Pipe/Little Pipe TopologyThe central site router sends traffic at its available

Frame Relay Overview308624-14.10 Rev 011-21 To use data compression with frame relay, ensure that compression control is enabled (the default) and sel

Configuring Frame Relay Services1-22308624-14.10 Rev 01Congestion ControlNetwork congestion can degrade network performance. Congestion occurs when a

Frame Relay Overview308624-14.10 Rev 011-23 For example, suppose you set the congestion timer to 0.5 second and the congestion count to 3. In this cas

Configuring Frame Relay Services1-24308624-14.10 Rev 01When configuring the CIR, consider the following:•CIR of 0You can contract with a carrier for a

Frame Relay Overview308624-14.10 Rev 011-25 If you enable congestion control and set the congestion method to throttle, the virtual circuit sends only

Configuring Frame Relay Services1-26308624-14.10 Rev 01Figure 1-10. Traffic Shaping QueuesShaping LMI(Interrupt)HighNormal LowHighNormal LowTransmit q

Frame Relay Overview308624-14.10 Rev 011-27 All traffic that goes to a traffic-shaped VC (VC1 or VC2) is queued as high, normal, or low priority at th

308624-14.10 Rev 01vContents PrefaceBefore You Begin ...

Configuring Frame Relay Services1-28308624-14.10 Rev 01• You can enable SVC traffic shaping and provide values for the LL Core traffic shaping paramet

Frame Relay Overview308624-14.10 Rev 011-29 For throughput, an SVC may process less throughput than it requests because the local router, the frame re

Configuring Frame Relay Services1-30308624-14.10 Rev 01If you set the Bc to 16,000/2, or 1/2 CIR, the result is 8,000 bits, or a packet size of 1,000

Frame Relay Overview308624-14.10 Rev 011-31 You can use traffic shaping at one or both ends of a link, but you must use compression at both ends of a

Configuring Frame Relay Services1-32308624-14.10 Rev 01You can use the Technician Interface to increase the total number of buffers for the interface.

Frame Relay Overview308624-14.10 Rev 011-33 Figure 1-11. FECNs and BECNs in Big Pipe/Little Pipe TopologyYou may need to modify the congestion counter

Configuring Frame Relay Services1-34308624-14.10 Rev 01Table 1-7 shows the various ways you can set these parameters, and the effect each combination

Frame Relay Overview308624-14.10 Rev 011-35 Multiline for PVCsFrame relay provides a link redundancy feature called multiline, which works with frame

Configuring Frame Relay Services1-36308624-14.10 Rev 01The most important part of configuring multiline is setting the PVC DLCI number. This number id

Frame Relay Overview308624-14.10 Rev 011-37 Address-Based DistributionAddress-based distribution determines the data path for outbound traffic from th

vi308624-14.10 Rev 01Direct Access Mode ...1-16Hybrid Acc

Configuring Frame Relay Services1-38308624-14.10 Rev 01Figure 1-13. PVC Pass-ThroughFigure 1-13 shows a router with an Ethernet interface and two fram

Frame Relay Overview308624-14.10 Rev 011-39 For more information about these parameters, refer to Configuring WAN Line Services.Calculating the MTU Si

Configuring Frame Relay Services1-40308624-14.10 Rev 01Table 1-9 summarizes the changes you may need to make to the MTU value for your frame relay con

308624-14.10 Rev 012-1 Chapter 2Starting Frame RelayThe quickest way to begin using frame relay on your network is to enable it with default values fo

Configuring Frame Relay Services2-2308624-14.10 Rev 01Preparing a Configuration FileTo prepare a configuration file:1.Create and save a configuration

Starting Frame Relay308624-14.10 Rev 012-3 2.Configure frame relay on the physical interface.To configure a frame relay interface on a physical interf

Configuring Frame Relay Services2-4308624-14.10 Rev 01Configuring PVCs and SVCsYou configure permanent virtual circuits (PVCs) and switched virtual ci

Starting Frame Relay308624-14.10 Rev 012-5 Using Site ManagerTo configure a PVC:Site Manager ProcedureYou do this System responds1. In the Configurati

Configuring Frame Relay Services2-6308624-14.10 Rev 01Configuring an SVCYou can configure SVCs using either the default service record or by adding a

Starting Frame Relay308624-14.10 Rev 012-7 Using Site ManagerTo configure an SVC, complete the following tasks: Configuring Adjacent Hosts for an SVC

308624-14.10 Rev 01viiSynchronous Line Configuration for Frame Relay ...1-38Calculating the MTU S

308624-14.10 Rev 013-1 Chapter 3Customizing Frame Relay InterfacesWhen you enable frame relay, default values are in effect for all parameters. Depend

Configuring Frame Relay Services3-2308624-14.10 Rev 01Selecting a Management TypeYou can specify the management protocol that the router and the frame

Customizing Frame Relay Interfaces308624-14.10 Rev 013-3 Using the BCCTo specify a management protocol, navigate to the dlcmi prompt (for example, box

Configuring Frame Relay Services3-4308624-14.10 Rev 01Setting XOFF ControlIf you choose LMI as the management protocol, you can use the BCC to configu

Customizing Frame Relay Interfaces308624-14.10 Rev 013-5 Selecting Address Type and LengthYou can specify the data link connection identifier (DLCI) a

Configuring Frame Relay Services3-6308624-14.10 Rev 01Using the BCCTo specify the address type, navigate to the frame-relay prompt (for example, box;

Customizing Frame Relay Interfaces308624-14.10 Rev 013-7 Using Site Manager To specify the address type and length, complete the following tasks:Monit

Configuring Frame Relay Services3-8308624-14.10 Rev 01Successful completion of the request/response “handshake” verifies the status of the router/fram

Customizing Frame Relay Interfaces308624-14.10 Rev 013-9 For example, if you accept the default of 3 for the error threshold, and the default of 4 for

viii308624-14.10 Rev 01Deleting PVCs from Service Records ...4-7Moving PVCs

Configuring Frame Relay Services3-10308624-14.10 Rev 01For example, the following command line sets the full enquiry interval to 45 seconds:dlcmi/1/2#

Customizing Frame Relay Interfaces308624-14.10 Rev 013-11 Using Site ManagerTo configure the polling interval, error threshold, full enquiry interval,

Configuring Frame Relay Services3-12308624-14.10 Rev 01Deleting Frame RelayTo delete a frame relay service record, complete the following tasks:To del

308624-14.10 Rev 014-1 Chapter 4Customizing PVCsWhen you enable frame relay, default values are in effect for all Bay Command Console (BCC) and Site M

Configuring Frame Relay Services4-2308624-14.10 Rev 01Configuring PVCs Using the BCC or Site ManagerTable 4-1 lists the PVC configuration tasks descri

Customizing PVCs308624-14.10 Rev 014-3 Adding Service RecordsA service record is a data structure that allows flexible grouping and characterization o

Configuring Frame Relay Services4-4308624-14.10 Rev 01Deleting Service RecordsYou can use either the BCC or Site Manager to delete service records for

Customizing PVCs308624-14.10 Rev 014-5 Using Site ManagerWhile frame relay is enabled, you can delete any individual service record except the default

Configuring Frame Relay Services4-6308624-14.10 Rev 01For example, the following command line creates a PVC with a DLCI of 20:service/boston# pvc 20pv

Customizing PVCs308624-14.10 Rev 014-7 Deleting PVCs from Service RecordsYou can delete PVCs from existing service records. After you delete a PVC, it

308624-14.10 Rev 01ixDisabling SVCs ...5-9

Configuring Frame Relay Services4-8308624-14.10 Rev 01Using Site ManagerTo delete PVCs, complete the following tasks:Site Manager Procedure You do thi

Customizing PVCs308624-14.10 Rev 014-9 Moving PVCs from One Service Record to AnotherYou can use Site Manager to move PVCs on the same line from one s

Configuring Frame Relay Services4-10308624-14.10 Rev 01Enabling MulticastThe multicast feature sets up a separate DLCI that replicates broadcast packe

Customizing PVCs308624-14.10 Rev 014-11 Using Site ManagerTo enable multicast service, you must set the Multicast parameter for both the interface and

Configuring Frame Relay Services4-12308624-14.10 Rev 01Configuring Hybrid Mode for PVCsHybrid mode allows you to use the same PVCs for both routing an

Customizing PVCs308624-14.10 Rev 014-13 Configuring PVC Pass-ThroughTo configure PVC pass-through service, you configure PVCs with the pass-through fe

Configuring Frame Relay Services4-14308624-14.10 Rev 01Mapping Pass-Through PVCsCreate the mapping between the PVCs by completing the following tasks:

Customizing PVCs308624-14.10 Rev 014-15 Controlling Congestion for PVCsCongestion occurs when a node receives more frames than it can process, or send

Configuring Frame Relay Services4-16308624-14.10 Rev 01Congestion ControlCongestion control is disabled by default. To enable congestion control, navi

Customizing PVCs308624-14.10 Rev 014-17 Congestion CounterTo change the value for the congestion counter, navigate to the frame-relay interface prompt