Avaya Configuring ATM DXI Services User Manual

Part No. 117375-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring ATM DXI Services

117375-A Rev. A xi Tables Table 3-1. Locating a Protocol Menu ...3-3Table B-1. A

117375-A Rev. A xiii About This Guide If you are responsible for configuring Asynchronous Transfer Mode (ATM) Data Exchange Interface (DXI), you need

Configuring ATM DXI Servicesxiv 117375-A Rev. A Conventions angle brackets (< >) Indicate that you choose the text to enter based on the descri

About This Guide 117375-A Rev. A xv Acronyms AAL ATM adaptation layerALC Adaptation Layer ControllerARP Address Resolution ProtocolATM Asynchronous T

Configuring ATM DXI Servicesxvi 117375-A Rev. A VCI virtual channel identifierVPC virtual path connectionVPI virtual path identifierWAN wide area netwo

About This Guide 117375-A Rev. A xvii Bay Networks Customer Service You can purchase a support contract from your Bay Networks distributor or authori

Configuring ATM DXI Servicesxviii 117375-A Rev. A For More Information For information about Bay Networks and its products, visit the Bay Networks Wo

117375-A Rev. A 1-1 Chapter 1Starting ATM DXI This chapter describes how to set up a synchronous interface to run the default ATM DXI configuration.

ii 117375-A Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1997 Bay Networks, Inc. All rights

Configuring ATM DXI Services1-2 117375-A Rev. A Adding ATM DXI to the Router Adding ATM DXI on a router requires1. Creating an ATM DXI Circuit2. Enab

Starting ATM DXI 117375-A Rev. A 1-3 Adding PVCs to an ATM DXI Circuit You must add at least one PVC to an ATM DXI circuit for it to function. To ad

Configuring ATM DXI Services1-4 117375-A Rev. A5. Click on OK.Site Manager returns you to the ATM DXI PVC List window. The default mode of the PVC you

Starting ATM DXI117375-A Rev. A 1-5 Where to Go NextUse the following table to determine where you want to go next. For information about Go toGeneral

117375-A Rev. A 2-1 Chapter 2Understanding ATM DXI ConceptsThis chapter discusses the concepts behind the ATM Data Exchange Interface (DXI) protocol a

Configuring ATM DXI Services2-2 117375-A Rev. AFigure 2-1. How ATM DXI WorksATM DXI SupportA router running ATM DXI provides the following support:• R

Understanding ATM DXI Concepts117375-A Rev. A 2-3 • Address Resolution Protocol (ARP) and Inverse ARP supportThe DSU/CSU supports the following layers

Configuring ATM DXI Services2-4 117375-A Rev. AFigure 2-2. AAL Layer Division between Bridge/Router and DSU/CSUATM DXI Error CheckingThe ATM DXI verifi

Understanding ATM DXI Concepts117375-A Rev. A 2-5 Refer to “ATM DXI Modes of Operation” later in this chapter for details.ATM DXI LMI SupportThe route

117375-A Rev. A iii Bay Networks, Inc. Software License Agreement NOTICE: Please carefully read this license agreement before copying or using the

Configuring ATM DXI Services2-6 117375-A Rev. AARP and Inverse ARP SupportATM DXI supports the Address Resolution Protocol (ARP), enabling the router

Understanding ATM DXI Concepts117375-A Rev. A 2-7 ATM DXI Modes of OperationThe ATM Forum’s ATM DXI specification defines three modes of operation, each

Configuring ATM DXI Services2-8 117375-A Rev. AFigure 2-3 illustrates how each mode handles data transfer from the router to the DSU/CSU.Figure 2-3. D

Understanding ATM DXI Concepts117375-A Rev. A 2-9 Access Modes for ATM DXI ServicesYou can enable each ATM PVC to function in one of three access mode

Configuring ATM DXI Services2-10 117375-A Rev. AIn a bridged environment, use group access only for fully meshed configurations, or in hub/spoke enviro

Understanding ATM DXI Concepts117375-A Rev. A 2-11 Direct access mode is best suited to small, nonmeshed configurations, or to configurations in which p

Configuring ATM DXI Services2-12 117375-A Rev. AFor hybrid access mode, you must configure all PVCs manually and assign bridging protocols to run on ea

Understanding ATM DXI Concepts117375-A Rev. A 2-13 Figure 2-7. Example of a Bridged NetworkIf you define the PVCs to be in hybrid access mode (refer to

Configuring ATM DXI Services2-14 117375-A Rev. AThe multipath feature lets you group several lines that back up one another to ensure that information

Understanding ATM DXI Concepts117375-A Rev. A 2-15 ATM LayersThe B-ISDN protocol reference model, on which ATM is based, consists of four layers. Each

iv 117375-A Rev. A its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files,

Configuring ATM DXI Services2-16 117375-A Rev. AThe AAL is divided into two sublayers: the convergence sublayer (CS) and the segmentation and reassemb

Understanding ATM DXI Concepts117375-A Rev. A 2-17 AAL 5In AAL 5, only a trailer attaches to the data from the higher layer protocols to create a CS P

Configuring ATM DXI Services2-18 117375-A Rev. AData TransmissionData transmission (also called cell switching) through the ATM network relies on the

Understanding ATM DXI Concepts117375-A Rev. A 2-19 Figure 2-12. ATM Transmission ComponentsFor More InformationFor more information about ATM, refer t

Configuring ATM DXI Services2-20 117375-A Rev. AHandel, R. and Huber, M. Integrated Broadband Networks: An Introduction to ATM-Based Networks. Reading

117375-A Rev. A 3-1 Chapter 3ATM DXI Window BasicsThis chapter provides some guidelines for using Site Manager ATM DXI windows. For more detailed inst

Configuring ATM DXI Services3-2 117375-A Rev. AThe multipath feature lets you group two or more PVCs to ensure that information makes it across the ne

ATM DXI Window Basics117375-A Rev. A 3-3 Managing ProtocolsAs long as your interface contains at least one PVC, you can add, delete, or edit bridging/

Configuring ATM DXI Services3-4 117375-A Rev. AWhere to Go NextUse the following table to determine where you want to go next. For information about G

117375-A Rev. A 4-1 Chapter 4Customizing an ATM DXI InterfaceOnce you add ATM DXI to your router, you may want to customize the ATM DXI interface for

117375-A Rev. A v Contents About This Guide Before You Begin ...

Configuring ATM DXI Services4-2 117375-A Rev. AChanging the DXI ModeThe ATM DXI mode indicates the mode of operation for this interface based on the A

Customizing an ATM DXI Interface117375-A Rev. A 4-3 Assigning Data EncapsulationThe ATM DXI interface allows both multiprotocol encapsulation and CS P

Configuring ATM DXI Services4-4 117375-A Rev. ASelecting a CS PDU Encapsulation MethodYou can use one of three CS PDU encapsulation methods at the ATM

Customizing an ATM DXI Interface117375-A Rev. A 4-5 Enabling or Disabling LMITo assist in obtaining traps and statistical information from the ATM DSU

117375-A Rev. A 5-1 Chapter 5Customizing ATM DXI PVCsOnce you add PVCs to your router, you may want to customize them for your specific network configur

Configuring ATM DXI Services5-2 117375-A Rev. ASetting a VPI NumberThe VPI number does not have a default setting. You must enter a valid VPI number f

Customizing ATM DXI PVCs117375-A Rev. A 5-3 Changing the PVC Access ModeYou can enable each PVC to function in one of three access modes -- group acce

Configuring ATM DXI Services5-4 117375-A Rev. ASelecting a Multiprotocol EncapsulationYou can use one of three multiprotocol encapsulation methods for

Customizing ATM DXI PVCs117375-A Rev. A 5-5 Enabling or Disabling the Multicast FunctionBy default, ATM DXI PVCs do not accept multicast packets. Howe

vi 117375-A Rev. A Configuring Synchronous Lines for ATM DXI ...2-6ATM DXI Modes of Operation

117375-A Rev. A A-1 Appendix ASite Manager Parameter DescriptionsVirtual Path and Virtual Circuit ParametersParameter: VPI Number Path: Configuration M

Configuring ATM DXI ServicesA-2 117375-A Rev. AInterface ParametersParameter: VCI Number Path: Configuration Manager > Protocols > ATM DXI > I

Site Manager Parameter Descriptions117375-A Rev. A A-3 Parameter: DXI ModePath: Configuration Manager > Protocols > ATM DXI > InterfacesDefaul

Configuring ATM DXI ServicesA-4 117375-A Rev. AParameter: Multiprotocol EncapsulationPath: Configuration Manager > Protocols > ATM DXI > Inter

Site Manager Parameter Descriptions117375-A Rev. A A-5 PVC ParametersParameter: MulticastPath: Configuration Manager > Protocols > ATM DXI > I

Configuring ATM DXI ServicesA-6 117375-A Rev. AParameter: ModePath: Configuration Manager > Protocols > ATM DXI > Interfaces > PVCsDefault:

Site Manager Parameter Descriptions117375-A Rev. A A-7 Parameter: CS PDU EncapsulationPath: Configuration Manager > Protocols > ATM DXI > Inte

Configuring ATM DXI ServicesA-8 117375-A Rev. AWhere to Go NextUse the following table to determine where you want to go next. For information about G

117375-A Rev. A B-1 Appendix BSite Manager Default SettingsThis appendix lists the Site Manager default parameter settings for ATM DXI. Use the Configu

117375-A Rev. A viiEnabling or Disabling the Multicast Function ...4-4Enabling or Disa

Configuring ATM DXI ServicesB-2 117375-A Rev. AWhere to Go NextUse the following table to determine where you want to go next. Table B-3. ATM DXI PVC

117375-A 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

Index-2 117375-A Rev. Achanging, 4-2parameter description, A-3See also access modes, 4-2EEnable, parameter descriptionATM DXI Interface List window,

117375-A Rev. A Index-3ATM DXI Interface List window, A-2ATM DXI PVC List window, A-5Interface Description, A-2LMI Enable, A-5Max number of VCs, A-3Mo

117375-A Rev. A ix Figures Figure 2-1. How ATM DXI Works ....................2-2Figure 2-