Avaya Configuring ATM DXI Services Manual do Utilizador

BayRS Version 14.00Part No. 308608-14.00 Rev 00September 19994401 Great America ParkwaySanta Clara, CA 95054Configuring ATM DXI Services

308608-14.00 Rev 00xiTablesTable 3-1. Locating a Protocol Menu ...3-3Table B-1.

308608-14.00 Rev 00xiii PrefaceThis guide describes Asynchronous Transfer Mode (ATM) Data Exchange Interface (DXI) and what you do to start and custom

Configuring ATM DXI Servicesxiv308608-14.00 Rev 00Text ConventionsThis guide uses the following text conventions:bold textIndicates command names and

Preface308608-14.00 Rev 00xv AcronymsAAL ATM adaptation layerALC Adaptation Layer ControllerARP Address Resolution ProtocolATM Asynchronous Transfer M

Configuring ATM DXI Servicesxvi308608-14.00 Rev 00Hard-Copy Technical ManualsYou can print selected technical manuals and release notes free, directly

Preface308608-14.00 Rev 00xvii How to Get HelpIf you purchased a service contract for your Nortel Networks product from a distributor or authorized re

308608-14.00 Rev 001-1 Chapter 1Starting ATM DXIThis chapter describes how to set up a synchronous interface to run the default ATM DXI configuration.

ii308608-14.00 Rev 00 Copyright © 1999 Nortel NetworksAll rights reserved. Printed in the USA. September 1999.The information in this document is subj

Configuring ATM DXI Services1-2308608-14.00 Rev 00Adding ATM DXI to the RouterAdding ATM DXI on a router requires:1. Creating an ATM DXI Circuit2. Ena

Starting ATM DXI308608-14.00 Rev 001-3 Adding PVCs to an ATM DXI CircuitYou must add at least one PVC to an ATM DXI circuit for it to function. To add

Configuring ATM DXI Services1-4308608-14.00 Rev 005.Click on OK.Site Manager returns you to the ATM DXI PVC List window. The default mode of the PVC y

Starting ATM DXI308608-14.00 Rev 001-5 Where to Go NextUse the following table to determine where you want to go next. For information about Go toGene

308608-14.00 Rev 002-1 Chapter 2Understanding ATM DXI ConceptsThis chapter discusses the concepts behind the ATM Data Exchange Interface (DXI) protoco

Configuring ATM DXI Services2-2308608-14.00 Rev 00Figure 2-1. How ATM DXI WorksATM DXI SupportA router running ATM DXI provides the following support:

Understanding ATM DXI Concepts308608-14.00 Rev 002-3 • Address Resolution Protocol (ARP) and Inverse ARP supportThe DSU/CSU supports the following lay

Configuring ATM DXI Services2-4308608-14.00 Rev 00Figure 2-2. AAL Layer Division Between Bridge/Router and DSU/CSUATM DXI Error CheckingThe ATM DXI ve

Understanding ATM DXI Concepts308608-14.00 Rev 002-5 Refer to “ATM DXI Modes of Operation” later in this chapter for details.ATM DXI LMI SupportThe ro

308608-14.00 Rev 00iiiNortel Networks NA Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using t

Configuring ATM DXI Services2-6308608-14.00 Rev 00ARP and Inverse ARP SupportATM DXI supports the Address Resolution Protocol (ARP), enabling the rout

Understanding ATM DXI Concepts308608-14.00 Rev 002-7 ATM DXI Modes of OperationThe ATM Forum’s ATM DXI specification defines three modes of operation,

Configuring ATM DXI Services2-8308608-14.00 Rev 00Figure 2-3 illustrates how each mode handles data transfer from the router to the DSU/CSU.Figure 2-3

Understanding ATM DXI Concepts308608-14.00 Rev 002-9 Access Modes for ATM DXI ServicesYou can enable each ATM PVC to function in one of three access m

Configuring ATM DXI Services2-10308608-14.00 Rev 00In a bridged environment, use group access only for fully meshed configurations, or in hub/spoke en

Understanding ATM DXI Concepts308608-14.00 Rev 002-11 Direct access mode is best suited to small, nonmeshed configurations, or to configurations in wh

Configuring ATM DXI Services2-12308608-14.00 Rev 00For hybrid access mode, you must configure all PVCs manually and assign bridging protocols to run o

Understanding ATM DXI Concepts308608-14.00 Rev 002-13 Figure 2-7. Example of a Bridged NetworkIf you define the PVCs to be in hybrid access mode (refe

Configuring ATM DXI Services2-14308608-14.00 Rev 00The multipath feature lets you group several lines that back up one another to ensure that informat

Understanding ATM DXI Concepts308608-14.00 Rev 002-15 ATM LayersThe B-ISDN protocol reference model, on which ATM is based, consists of four layers. E

iv308608-14.00 Rev 00for the security of its own data and information and for maintaining adequate procedures apart from the Software to reconstruct

Configuring ATM DXI Services2-16308608-14.00 Rev 00The AAL is divided into two sublayers: the convergence sublayer (CS) and the segmentation and reass

Understanding ATM DXI Concepts308608-14.00 Rev 002-17 AAL 5In AAL 5, only a trailer attaches to the data from the higher layer protocols to create a C

Configuring ATM DXI Services2-18308608-14.00 Rev 00Data TransmissionData transmission (also called cell switching) through the ATM network relies on t

Understanding ATM DXI Concepts308608-14.00 Rev 002-19 Figure 2-12. ATM Transmission ComponentsFor More InformationFor more information about ATM, refe

Configuring ATM DXI Services2-20308608-14.00 Rev 00Handel, R. and Huber, M. Integrated Broadband Networks: An Introduction to ATM-Based Networks. Read

308608-14.00 Rev 003-1 Chapter 3ATM DXI Window BasicsThis chapter provides some guidelines for using Site Manager ATM DXI windows. For more detailed i

Configuring ATM DXI Services3-2308608-14.00 Rev 00The multipath feature lets you group two or more PVCs to ensure that information makes it across the

ATM DXI Window Basics308608-14.00 Rev 003-3 Managing ProtocolsAs long as your interface contains at least one PVC, you can add, delete, or edit bridgi

Configuring ATM DXI Services3-4308608-14.00 Rev 00Where to Go NextUse the following table to determine where you want to go next. For information abou

308608-14.00 Rev 004-1 Chapter 4Customizing an ATM DXI InterfaceOnce you add ATM DXI to your router, you may want to customize the ATM DXI interface f

308608-14.00 Rev 00vContents PrefaceBefore You Begin ...

Configuring ATM DXI Services4-2308608-14.00 Rev 00Changing the DXI ModeThe ATM DXI mode indicates the mode of operation for this interface based on th

Customizing an ATM DXI Interface308608-14.00 Rev 004-3 Assigning Data EncapsulationThe ATM DXI interface allows both multiprotocol encapsulation and C

Configuring ATM DXI Services4-4308608-14.00 Rev 00Selecting a CS PDU Encapsulation MethodYou can use one of three CS PDU encapsulation methods at the

Customizing an ATM DXI Interface308608-14.00 Rev 004-5 Enabling or Disabling LMITo assist in obtaining traps and statistical information from the ATM

308608-14.00 Rev 005-1 Chapter 5Customizing ATM DXI PVCsOnce you add PVCs to your router, you may want to customize them for your specific network con

Configuring ATM DXI Services5-2308608-14.00 Rev 00Setting a VPI NumberThe VPI number does not have a default setting. You must enter a valid VPI numbe

Customizing ATM DXI PVCs308608-14.00 Rev 005-3 Changing the PVC Access ModeYou can enable each PVC to function in one of three access modes -- group a

Configuring ATM DXI Services5-4308608-14.00 Rev 00Selecting a Multiprotocol EncapsulationYou can use one of three multiprotocol encapsulation methods

Customizing ATM DXI PVCs308608-14.00 Rev 005-5 Enabling or Disabling the Multicast FunctionBy default, ATM DXI PVCs do not accept multicast packets. H

vi308608-14.00 Rev 00ATM DXI Implementation Notes ...2-6Configurin

308608-14.00 Rev 00A-1 Appendix ASite Manager Parameter DescriptionsVirtual Path and Virtual Circuit ParametersParameter: VPI Number Path: Configurati

Configuring ATM DXI ServicesA-2308608-14.00 Rev 00Interface ParametersParameter: VCI Number Path: Configuration Manager > Protocols > ATM DXI &g

Site Manager Parameter Descriptions308608-14.00 Rev 00A-3 Parameter: DXI ModePath: Configuration Manager > Protocols > ATM DXI > InterfacesDe

Configuring ATM DXI ServicesA-4308608-14.00 Rev 00Parameter: Multiprotocol EncapsulationPath: Configuration Manager > Protocols > ATM DXI > I

Site Manager Parameter Descriptions308608-14.00 Rev 00A-5 PVC ParametersParameter: MulticastPath: Configuration Manager > Protocols > ATM DXI &g

Configuring ATM DXI ServicesA-6308608-14.00 Rev 00Parameter: ModePath: Configuration Manager > Protocols > ATM DXI > Interfaces > PVCsDefa

Site Manager Parameter Descriptions308608-14.00 Rev 00A-7 Parameter: CS PDU EncapsulationPath: Configuration Manager > Protocols > ATM DXI >

Configuring ATM DXI ServicesA-8308608-14.00 Rev 00Where to Go NextUse the following table to determine where you want to go next. For information abou

308608-14.00 Rev 00B-1 Appendix BSite Manager Default SettingsThis appendix lists the Site Manager default parameter settings for ATM DXI. Use the Con

308608-14.00 Rev 00viiAssigning Data Encapsulation ...4-3Selectin

Configuring ATM DXI ServicesB-2308608-14.00 Rev 00Where to Go NextUse the following table to determine where you want to go next. Table B-3. ATM DXI P

308608-14.00 Rev 00Index-1AAAL Sublayer support, 2-3access modeschanging, 5-3direct access, 2-10function of, 2-9group access, 2-9hybrid access, 2-11 t

Index-2308608-14.00 Rev 00enablinginterfaces, 4-1LMI, 4-5multicast, 4-4PVCs, 5-2error checking, 2-4Ffeatures supported, 2-2Ggroup access mode, 2-9Hhyb

308608-14.00 Rev 00Index-3protocolsenabling, 1-2managing, 3-3supported, 2-2publicationshard copy, xviiPVCsadding, 3-1copying, 3-1customizing, 5-1 to 5

308608-14.00 Rev 00ixFiguresFigure 2-1. How ATM DXI Works ....................2-2Figure 2-