Avaya Configuring ATM DXI Services Manuel d'utilisateur

Part No. 114057 Rev. AAugust 1996Router Software Version 11.0Site Manager Software Version 5.0Configuring ATM DXIServices

114057 Rev. A xiTablesTable 3-1. Locating a Protocol Menu ...3-3Table B-1. ATM DX

114057 Rev. A xiiiAbout This GuideThis guide offers• Instructions for starting a default Asynchronous Transfer Mode (ATM) DataExchange Interface (DXI)

Configuring ATM DXI Servicesxiv 114057 Rev. AConventionsangle brackets (< >) Indicate that you choose the text to enter based on thedescription

About This Guide114057 Rev. A xvAcronymsAAL ATM adaptation layerALC Adaptation Layer ControllerARP Address Resolution ProtocolATM Asynchronous Transfe

Configuring ATM DXI Servicesxvi 114057 Rev. AVCI virtual channel identifierVPC virtual path connectionVPI virtual path identifierWAN wide area networkOr

114057 Rev. A xviiTechnical Support and Online ServicesTo ensure comprehensive network support to our customers and partnersworldwide, Bay Networks Cu

Configuring ATM DXI Servicesxviii 114057 Rev. ABay Networks Customer ServiceIf you purchased your Bay Networks product from a distributor or authorize

Technical Support and Online Services114057 Rev. A xixBay Networks Information ServicesBay Networks Information Services provide up-to-date support in

ii 114057 Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1988–1996 Bay Networks, Inc.All rights

Configuring ATM DXI Servicesxx 114057 Rev. ASupport Source CDThis CD-ROM -- sent quarterly to all contracted customers -- is a complete BayNetworks Se

Technical Support and Online Services114057 Rev. A xxiInfoFACTSInfoFACTS is the Bay Networks free 24-hour fax-on-demand service. Thisautomated system

114057 Rev. A 1-1Chapter 1Starting ATM DXIThis chapter describes how to set up a synchronous interface to run the defaultATM DXI configuration.Before Y

Configuring ATM DXI Services1-2 114057 Rev. AAdding ATM DXI to the RouterAdding ATM DXI on a router requires1.Creating an ATM DXI Circuit2.Enabling Pr

Starting ATM DXI114057 Rev. A 1-3Adding PVCs to an ATM DXI CircuitYou must add at least one PVC to an ATM DXI circuit for it to function. To add aPVC:

Configuring ATM DXI Services1-4 114057 Rev. A5. Click on OK.Site Manager returns you to the ATM DXI PVC List window. The defaultmode of the PVC you ju

Starting ATM DXI114057 Rev. A 1-5Where to Go NextUse the following table to determine where you want to go next.For information about Go toGeneral ATM

114057 Rev. A 2-1Chapter 2Understanding ATM DXI ConceptsThis chapter discusses the concepts behind the ATM Data Exchange Interface(DXI) protocol and h

114057 Rev. A iiiBay Networks Software LicenseThis Software License shall govern the licensing of all software provided to licensee by Bay Networks (“

Configuring ATM DXI Services2-2 114057 Rev. AFigure 2-1. How ATM DXI WorksATM DXI SupportA router running ATM DXI provides the following support:• Rou

Understanding ATM DXI Concepts114057 Rev. A 2-3• Address Resolution Protocol (ARP) and Inverse ARP supportThe DSU/CSU supports the following layers:•

Configuring ATM DXI Services2-4 114057 Rev. AFigure 2-2. AAL Layer Division between Bridge/Router and DSU/CSUATM DXI Error CheckingThe ATM DXI verifies

Understanding ATM DXI Concepts114057 Rev. A 2-5Refer to “ATM DXI Modes of Operation,” later in this chapter for details.ATM DXI LMI SupportThe router

Configuring ATM DXI Services2-6 114057 Rev. AARP and Inverse ARP SupportATM DXI supports the Address Resolution Protocol (ARP), enabling the router to

Understanding ATM DXI Concepts114057 Rev. A 2-7ATM DXI Modes of OperationThe ATM Forum’s ATM DXI specification defines three modes of operation, eachwit

Configuring ATM DXI Services2-8 114057 Rev. AFigure 2-3 illustrates how each mode handles data transfer from the router to theDSU/CSU.Figure 2-3. DXI

Understanding ATM DXI Concepts114057 Rev. A 2-9Access Modes for ATM DXI ServicesYou can enable each ATM PVC to function in one of three access modes:

Configuring ATM DXI Services2-10 114057 Rev. AIn a bridged environment, use group access only for fully meshed configurations,or in hub/spoke environme

Understanding ATM DXI Concepts114057 Rev. A 2-11Direct access mode is best suited to small, nonmeshed configurations, or toconfigurations in which proto

iv 114057 Rev. ABay Networks Software License(continued)9. Licensee shall not reverse assemble, reverse compile, or in any way reverse engineer the So

Configuring ATM DXI Services2-12 114057 Rev. AFor hybrid access mode, you must configure all PVCs manually and assignbridging protocols to run on each

Understanding ATM DXI Concepts114057 Rev. A 2-13Figure 2-7. Example of a Bridged NetworkIf you define the PVCs to be in hybrid access mode (refer to Fi

Configuring ATM DXI Services2-14 114057 Rev. AThe multipath feature lets you group several lines that back up one another toensure that information ma

Understanding ATM DXI Concepts114057 Rev. A 2-15ATM LayersThe B-ISDN protocol reference model, on which ATM is based, consists of fourlayers. Each lay

Configuring ATM DXI Services2-16 114057 Rev. AThe AAL is divided into two sublayers: the convergence sublayer (CS) and thesegmentation and reassembly

Understanding ATM DXI Concepts114057 Rev. A 2-17AAL 5In AAL 5, only a trailer attaches to the data from the higher layer protocols tocreate a CS PDU.

Configuring ATM DXI Services2-18 114057 Rev. AData TransmissionData transmission (also called cell switching) through the ATM network relies onthe est

Understanding ATM DXI Concepts114057 Rev. A 2-19Figure 2-12. ATM Transmission ComponentsFor More InformationFor more information about ATM, refer to t

Configuring ATM DXI Services2-20 114057 Rev. AHandel, R. and Huber, M. Integrated Broadband Networks: An Introduction toATM-Based Networks. Reading, M

114057 Rev. A 3-1Chapter 3ATM DXI Window BasicsThis chapter provides some guidelines for using Site Manager ATM DXIwindows. For more detailed instruct

114057 Rev. A vContentsConfiguring ATM DXI Services About This GuideBefore You Begin ...

Configuring ATM DXI Services3-2 114057 Rev. AThe multipath feature lets you group two or more PVCs to ensure that informationmakes it across the netwo

ATM DXI Window Basics114057 Rev. A 3-3Managing ProtocolsAs long as your interface contains at least one PVC, you can add, delete, or editbridging/rout

Configuring ATM DXI Services3-4 114057 Rev. AWhere to Go NextUse the following table to determine where you want to go next.For information about Go t

114057 Rev. A 4-1Chapter 4Customizing an ATM DXI InterfaceOnce you add ATM DXI to your router, you may want to customize the ATM DXIinterface for your

Configuring ATM DXI Services4-2 114057 Rev. AChanging the DXI ModeThe ATM DXI mode indicates the mode of operation for this interface based onthe ATM

Customizing an ATM DXI Interface114057 Rev. A 4-3Assigning Data EncapsulationThe ATM DXI interface allows both multiprotocol encapsulation and CS PDUe

Configuring ATM DXI Services4-4 114057 Rev. ASelecting a CS PDU Encapsulation MethodYou can use one of three CS PDU encapsulation methods at the ATM D

Customizing an ATM DXI Interface114057 Rev. A 4-5Enabling or Disabling LMITo assist in obtaining traps and statistical information from the ATM DSU/CS

114057 Rev. A 5-1Chapter 5Customizing ATM DXI PVCsOnce you add PVCs to your router, you may want to customize them for yourspecific network configuratio

vi 114057 Rev. AATM DXI Support ...2-2Multipr

Configuring ATM DXI Services5-2 114057 Rev. ASetting a VPI NumberThe VPI number does not have a default setting. You must enter a valid VPInumber for

Customizing ATM DXI PVCs114057 Rev. A 5-3Changing the PVC Access ModeYou can enable each PVC to function in one of three access modes -- groupaccess,

Configuring ATM DXI Services5-4 114057 Rev. ASelecting a Multiprotocol EncapsulationYou can use one of three multiprotocol encapsulation methods for e

Customizing ATM DXI PVCs114057 Rev. A 5-5Enabling or Disabling the Multicast FunctionBy default, ATM DXI PVCs do not accept multicast packets. However

114057 Rev. A A-1Appendix ASite Manager Parameter DescriptionsVirtual Path and Virtual Circuit ParametersParameter: VPI NumberPath: Configuration Manag

Configuring ATM DXI ServicesA-2 114057 Rev. AInterface ParametersParameter: VCI NumberPath: Configuration Manager > Protocols > ATM DXI > Inte

Site Manager Parameter Descriptions114057 Rev. A A-3Parameter: DXI ModePath: Configuration Manager > Protocols > ATM DXI > InterfacesDefault:

Configuring ATM DXI ServicesA-4 114057 Rev. AParameter: Multiprotocol EncapsulationPath: Configuration Manager > Protocols > ATM DXI > Interfa

Site Manager Parameter Descriptions114057 Rev. A A-5PVC ParametersParameter: MulticastPath: Configuration Manager > Protocols > ATM DXI > Inte

114057 Rev. A viiChapter 4Customizing an ATM DXI InterfaceEnabling or Disabling the Interface ...

Configuring ATM DXI ServicesA-6 114057 Rev. AParameter: ModePath: Configuration Manager > Protocols > ATM DXI > Interfaces > PVCsDefault: G

Site Manager Parameter Descriptions114057 Rev. A A-7Parameter: CS PDU EncapsulationPath: Configuration Manager > Protocols > ATM DXI > Interfa

Configuring ATM DXI ServicesA-8 114057 Rev. AWhere to Go NextUse the following table to determine where you want to go next.For information about Go t

114057 Rev. A B-1Appendix BSite Manager Default SettingsThis appendix lists the Site Manager default parameter settings for ATM DXI.Use the Configurati

Configuring ATM DXI ServicesB-2 114057 Rev. AWhere to Go NextUse the following table to determine where you want to go next.Table B-3. ATM DXI PVC Lis

114057 Rev. A Index-1AAAL Sublayer support, 2-3access modeschanging, 5-3direct access, 2-10function of, 2-9group access, 2-9hybrid access, 2-11 to 2-1

Configuring ATM DXI ServicesIndex-2 114057 Rev. ACustomer Service FTP, xixcustomer support. See getting helpDdata encapsulation, assigning, 4-3, 5-3de

Index114057 Rev. A Index-3MMax number of VCsassigning, 4-2parameter description, A-3Modechanging, 5-3parameter description, A-6See also access modesM

Configuring ATM DXI ServicesIndex-4 114057 Rev. AVVCI Numberparameter description, A-2setting, 5-2virtual channel identifier (VCI), defined, 2-18virtual

viii 114057 Rev. A

114057 Rev. A ixFiguresFigure 2-1. How ATM DXI Works ....................2-2Figure 2-2. AA