Avaya Configuring Frame Relay Services Manuel d'utilisateur

Part No. 117376-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring Frame Relay Services

117376-A Rev. A xi Tables Table 2-1. How Protocols Handle Address Resolution ...2-12Table 2-2. Synchronous Li

117376-A Rev. A xiii About This Guide If you are responsible for configuring frame relay, you need to read this guide. Before You Begin Before using

Configuring Frame Relay Servicesxiv 117376-A Rev. A Conventions bold text Indicates text that you need to enter, command names, and buttons in menu p

About This Guide 117376-A Rev. A xv Acronyms ANSI American National Standards InstituteARP Address Resolution ProtocolATM Asynchronous Transfer Mode

Configuring Frame Relay Servicesxvi 117376-A Rev. A QofS quality of serviceVC virtual circuitURL uniform resource locatorWAN wide area networkWCP WAN

About This Guide 117376-A Rev. A xvii Information about customer service is also available on the World Wide Web at support.baynetworks.com . How t

117376-A Rev. A 1-1 Chapter 1Starting Frame Relay The quickest way to begin using frame relay on your network is to enable it with default values fo

ii 117376-A Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1997 Bay Networks, Inc. All rights

Configuring Frame Relay Services1-2 117376-A Rev. A 2. Specify frame relay as the WAN protocol by completing the tasks in the following table. You ha

117376-A Rev. A 2-1 Chapter 2Frame Relay Overview The following sections present an overview of frame relay. Topic Page Introduction2-2Frame Relay P

Configuring Frame Relay Services2-2 117376-A Rev. A Introduction Frame relay is a high-speed, packet-switching WAN protocol that connects geographica

Frame Relay Overview 117376-A Rev. A2-3 Frame Relay PacketsFigure 2-2 illustrates the structure of a frame relay packet. The packet’s header field inc

Configuring Frame Relay Services2-4 117376-A Rev. AFigure 2-2 depicts the frame relay header as a 2-byte structure. Frame relay can also format the he

Frame Relay Overview117376-A Rev. A 2-5 Figure 2-4. Conceptual Drawing of the DLCMIDLCMI supports three standard data link management specifications: L

Configuring Frame Relay Services2-6 117376-A Rev. AFrame ProcessingWhen a frame enters a frame relay network, the network performs three steps to proc

Frame Relay Overview117376-A Rev. A 2-7 Multiple Service RecordsInterfaces can have multiple service records, and each service record can contain mult

Configuring Frame Relay Services2-8 117376-A Rev. ADirect Access ModeDirect mode describes a service record with one PVC. In direct access mode, upper

Frame Relay Overview117376-A Rev. A 2-9 Figure 2-5. Hybrid Mode Configuration, Non-Fully Meshed NetworkUsing Hybrid Mode for Transparent BridgingFigur

117376-A Rev. A iii Bay Networks, Inc. Software License Agreement NOTICE: Please carefully read this license agreement before copying or using the

Configuring Frame Relay Services2-10 117376-A Rev. AFigure 2-6. Example of a Bridged NetworkIn this example, the bridge receives data from Site A. If

Frame Relay Overview117376-A Rev. A 2-11 Source RoutingSource routing is the method by which a bridge sends data across two networks. The router suppo

Configuring Frame Relay Services2-12 117376-A Rev. ATraffic ControlFrame relay is unreliable. It does not include error recovery mechanisms, relying in

Frame Relay Overview117376-A Rev. A 2-13 Figure 2-7. Big Pipe/Little Pipe TopologyThe central site router sends traffic at its available bandwidth, in

Configuring Frame Relay Services2-14 117376-A Rev. ATo use data compression with frame relay, the Compression Control parameter must be set to Enable,

Frame Relay Overview117376-A Rev. A 2-15 Figure 2-8. Detecting and Controlling Network CongestionIf you enable the congestion control feature, you can

Configuring Frame Relay Services2-16 117376-A Rev. ATraffic ShapingTraffic shaping relieves bottlenecks in topologies with high-speed connections to the

Frame Relay Overview117376-A Rev. A 2-17 CIR and Committed Burst Rate and Excess Burst RateThe committed burst rate (Bc) defines the number of bits tha

Configuring Frame Relay Services2-18 117376-A Rev. AFigure 2-9. Traffic Shaping QueuesShaping LMI(Interrupt)HighNormal LowHighNormal LowTransmit queueA

Frame Relay Overview117376-A Rev. A 2-19 All traffic that goes to a traffic-shaped VC (VC1 or VC2) is queued as high, normal, or low priority at the VC

iv 117376-A Rev. A its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files,

Configuring Frame Relay Services2-20 117376-A Rev. AFor example, a typical TFTP frame is 548 bytes. If the CIR is 16,000 bits, the Bc configured accord

Frame Relay Overview117376-A Rev. A 2-21 • If you set the Be equal to the Bc, the router doubles the amount of traffic it attempts to send and, when yo

Configuring Frame Relay Services2-22 117376-A Rev. AFor further information on using the Technician Interface, see Using Technician Interface Software

Frame Relay Overview117376-A Rev. A 2-23 MultilineFrame relay provides a link redundancy feature called multiline. Multiline is a Bay Networks proprie

Configuring Frame Relay Services2-24 117376-A Rev. AThe most important part of configuring multiline is setting the PVC DLCI number. This number identi

Frame Relay Overview117376-A Rev. A 2-25 The router determines whether to route or bridge the packet, and then uses the corresponding level of address

Configuring Frame Relay Services2-26 117376-A Rev. AFor More Information About Frame RelayFor more information about frame relay, consult the followin

117376-A Rev. A 3-1 Chapter 3Customizing Frame RelayWhen you enable frame relay, default values are in effect for all parameters (see parameter descri

Configuring Frame Relay Services3-2 117376-A Rev. AUsing the MIB Object IDThe Technician Interface allows you to modify parameters by issuing set and

Customizing Frame Relay117376-A Rev. A 3-3 Deleting Service RecordsYou can delete service records from your frame relay interfaces by completing the t

117376-A Rev. A v Contents About This Guide Before You Begin ...

Configuring Frame Relay Services3-4 117376-A Rev. AAdding PVCsYou can add PVCs to already existing service records. You can add PVCs either individual

Customizing Frame Relay117376-A Rev. A 3-5 Deleting PVCsYou can delete PVCs from already existing service records. After you delete a PVC, it may reap

Configuring Frame Relay Services3-6 117376-A Rev. AMoving PVCs from One Service Record to AnotherYou can move PVCs on the same line from one service r

Customizing Frame Relay117376-A Rev. A 3-7 • CCITT Annex A provides user-side management services as specified by the ITU-T (formerly CCITT).• LMI Swit

Configuring Frame Relay Services3-8 117376-A Rev. ASelecting Address Type and LengthYou can specify the DLCI address type and length that the router a

Customizing Frame Relay117376-A Rev. A 3-9 Monitoring the ConnectionYou can monitor the status of your frame relay network connection by setting:• Tim

Configuring Frame Relay Services3-10 117376-A Rev. APolling IntervalThe polling interval specifies the interval between status inquiry messages that th

Customizing Frame Relay117376-A Rev. A 3-11 To specify error threshold and monitored events values, complete the tasks in the following table.Enabling

Configuring Frame Relay Services3-12 117376-A Rev. ASite Manager ProcedureYou do this System responds1. In the Configuration Manager window, click on a

Customizing Frame Relay117376-A Rev. A 3-13 Configuring Hybrid ModeHybrid mode allows you to use the same PVCs for both routing and bridging. You config

vi 117376-A Rev. A RFC 1490 ...2-1

Configuring Frame Relay Services3-14 117376-A Rev. AWhen you enable congestion control, you can set the length of time during which the router counts

Customizing Frame Relay117376-A Rev. A 3-15 Using Traffic ShapingTo use traffic shaping, you configure three PVC parameters: Committed Burst, Excess Burs

Configuring Frame Relay Services3-16 117376-A Rev. AEnabling CompressionTo use data compression with frame relay, first select WCP from the Protocols m

Customizing Frame Relay117376-A Rev. A 3-17 Grouping Service Records for MultilineYou can configure two or more service records to run in multiline mod

Configuring Frame Relay Services3-18 117376-A Rev. ARemoving Multiline ServicesYou can select circuits on which to remove multiline services. Complete

Customizing Frame Relay117376-A Rev. A 3-19 Deleting Frame RelayTo delete frame relay from all circuits on which it is currently configured, complete t

117376-A Rev. A A-1 Appendix ASite Manager ParametersInterface ParametersThe Frame Relay Interface List window (Figure A-1) contains the parameters fo

Configuring Frame Relay ServicesA-2 117376-A Rev. ATo access the window, complete the tasks in the following table.Path to Frame Relay Interface List

Site Manager Parameters117376-A Rev. A A-3 Parameter: Mgmnt TypePath:Configuration Manager > Protocols > Frame Relay > InterfacesDefault: ANSI

117376-A Rev. A viiSelecting Address Type and Length ...3-8Selecting a DL

Configuring Frame Relay ServicesA-4 117376-A Rev. AParameter: AddressPath:Configuration Manager > Protocols > Frame Relay > InterfacesDefault:

Site Manager Parameters117376-A Rev. A A-5 Parameter: Polling IntervalPath:Configuration Manager > Protocols > Frame Relay > InterfacesDefault

Configuring Frame Relay ServicesA-6 117376-A Rev. AParameter: Error ThresholdPath:Configuration Manager > Protocols > Frame Relay > Interfaces

Site Manager Parameters117376-A Rev. A A-7 Parameter: MulticastPath:Configuration Manager > Protocols > Frame Relay > InterfacesDefault: Disab

Configuring Frame Relay ServicesA-8 117376-A Rev. AParameter: Congestion TimerPath:Configuration Manager > Protocols > Frame Relay > Interface

Site Manager Parameters117376-A Rev. A A-9 Parameter: Congestion MethodPath:Configuration Manager > Protocols > Frame Relay > InterfacesDefaul

Configuring Frame Relay ServicesA-10 117376-A Rev. AService Record, DLCI, and PVC ParametersThe following sections describe the service record, DLCI,

Site Manager Parameters117376-A Rev. A A-11 To access the window, complete the tasks in the following table.Path to Frame Relay Service List WindowYou

Configuring Frame Relay ServicesA-12 117376-A Rev. ARequired DLCI Parameter for Each PVCThe Frame Relay PVC Add window (Figure A-3) contains the DLCI

Site Manager Parameters117376-A Rev. A A-13 Parameter: DLCI NumberPath:Configuration Manager (select a connector) > Edit Connector window > Edit

Configuring Frame Relay ServicesA-14 117376-A Rev. ADefault Parameters for Each PVCThe FR PVC List for Service window (Figure A-4) contains the PVC pa

Site Manager Parameters117376-A Rev. A A-15 Path to FR PVC List for Service WindowYou do this System responds1. Click on the Protocols menu in the Con

Configuring Frame Relay ServicesA-16 117376-A Rev. AParameter: Hybrid ModePath:Configuration Manager (select a connector) > Edit Connector window &g

Site Manager Parameters117376-A Rev. A A-17 Parameter: Excess BurstPath:Configuration Manager (select a connector) > Edit Connector window > Edit

Configuring Frame Relay ServicesA-18 117376-A Rev. AParameter: Congestion ControlPath:Configuration Manager (select a connector) > Edit Connector wi

Site Manager Parameters117376-A Rev. A A-19 Parameter: Congestion CounterPath:Configuration Manager (select a connector) > Edit Connector window >

Configuring Frame Relay ServicesA-20 117376-A Rev. AOptional Algorithm Parameter for Each Multiline ConfigurationThe Services Multiline With window (Fi

Site Manager Parameters117376-A Rev. A A-21 To access the window, complete the tasks in the following table.This window lets you:• Click on Add to add

Configuring Frame Relay ServicesA-22 117376-A Rev. AFigure A-6. Add Multiline Services WindowParameter: Multiline Algorithm to Choose LinePath:Configur

117376-A Rev. A B-1 Appendix BFrame Relay Default SettingsThis appendix lists the default parameter settings for frame relay services. Use the Configur

117376-A Rev. A ix Figures Figure 2-1. Frame Relay Network ...2-2Figure 2

Configuring Frame Relay ServicesB-2 117376-A Rev. ATable B-2. Frame Relay Service Record, DLCI, and PVC ParametersParameter DefaultService Name NoneDL

117376-A Rev. A Index-1Aaccess modes, 2-7addingPVCs, 3-4PVCs to a service record, 2-7service records, 3-2Address Length parameter, A-4Address paramete

Index-2 117376-A Rev. Astandards of, 2-5EEnable parameter, A-2enabling frame relay, 1-1Error Threshold parameter, A-6Excess Burst parameter, A-17exces

117376-A Rev. A Index-3DLCI Number, A-13interfaceAddress, A-4Address Length, A-4Congestion Control, A-7Congestion Counter, A-8, A-9Congestion Method,

Vvirtual circuits for connections, 2-2WwfFrCircuitShapedQueueLimit attribute, 2-21wfFrDlcmiShapingQueueLimit attribute, 2-21windowsFR PVC List for Ser