Avaya Configuring Frame Relay Services Uživatelský manuál Strana 1

Part No. 114058 Rev. AAugust 1996Router Software Version 11.0Site Manager Software Version 5.0Configuring Frame RelayServices

114058 Rev. A xiTablesTable 2-1. How Protocols Handle Address Resolution ...2-10Table 2-2. Synchronous Line Pa

114058 Rev. A xiiiAbout This GuideIf you are responsible for configuring and managing Bay Networks™ routers orBNX platforms, read this guide to discove

Configuring Frame Relay Servicesxiv 114058 Rev. AConventionsbold text Indicates text that you need to enter, command names,and buttons in menu paths.E

About This Guide114058 Rev. A xvAcronymsANSI American National Standards InstituteARP Address Resolution ProtocolATM Asynchronous Transfer ModeBECN Ba

Configuring Frame Relay Servicesxvi 114058 Rev. AOrdering Bay Networks PublicationsTo purchase additional copies of this document or other Bay Network

114058 Rev. A xviiTechnical Support and Online ServicesTo ensure comprehensive network support to our customers and partnersworldwide, Bay Networks Cu

Configuring Frame Relay Servicesxviii 114058 Rev. ABay Networks Customer ServiceIf you purchased your Bay Networks product from a distributor or autho

Technical Support and Online Services114058 Rev. A xixBay Networks Information ServicesBay Networks Information Services provide up-to-date support in

ii 114058 Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1988–1996 Bay Networks, Inc.All rights

Configuring Frame Relay Servicesxx 114058 Rev. ASupport Source CDThis CD-ROM -- sent quarterly to all contracted customers -- is a complete BayNetwork

Technical Support and Online Services114058 Rev. A xxiInfoFACTSInfoFACTS is the Bay Networks free 24-hour fax-on-demand service. Thisautomated system

114058 Rev. A 1-1Chapter 1Starting Frame RelayThe quickest way to begin using Frame Relay on your network is to enable it withdefault values for all i

Configuring Frame Relay Services1-2 114058 Rev. AProtocol prioritization is enabled automatically when you select Frame Relay. Fordetailed information

114058 Rev. A 2-1Chapter 2Frame Relay OverviewFrame Relay is a high-speed, packet-switching WAN protocol that connectsgeographically dispersed LANs. F

Configuring Frame Relay Services2-2 114058 Rev. AFrame Relay assumes that networks use transmission lines with low error rates,such as digital transmi

Frame Relay Overview114058 Rev. A 2-3Figure 2-2. Frame Relay Header, 2-Byte FormatFigure 2-2 depicts the Frame Relay header as a 2-byte structure. Fra

Configuring Frame Relay Services2-4 114058 Rev. AManagement ProtocolsFrame Relay is an access protocol that runs between a router or data terminalequi

Frame Relay Overview114058 Rev. A 2-5Frame ProcessingWhen a frame enters a Frame Relay network, the network performs three steps toprocess the data:1.

114058 Rev. A iiiBay Networks Software LicenseThis Software License shall govern the licensing of all software provided to licensee by Bay Networks (“

Configuring Frame Relay Services2-6 114058 Rev. AMultiple Service RecordsInterfaces can have multiple service records, and each service record can con

Frame Relay Overview114058 Rev. A 2-7Figure 2-5. Hybrid Mode Configuration, Non-Fully-Meshed NetworkUsing Hybrid Mode for Transparent BridgingFigure 2-

Configuring Frame Relay Services2-8 114058 Rev. AFigure 2-6. Example of a Bridged NetworkIn this example, the bridge receives data from Site A. If the

Frame Relay Overview114058 Rev. A 2-9Source RoutingSource routing is the method by which a bridge sends data across two networks.The router supports s

Configuring Frame Relay Services2-10 114058 Rev. AAddress ResolutionAddress resolution maps a remote network address such as an IP address to a localD

Frame Relay Overview114058 Rev. A 2-11Data Compression over Frame RelayYou can configure both hardware- and software-based data compression overWANs ru

Configuring Frame Relay Services2-12 114058 Rev. AIn this example, when the router receives traffic destined for the network, italternates randomly bet

Frame Relay Overview114058 Rev. A 2-13Random balancing evenly distributes traffic and lets the router use the two linesefficiently. Because packets trav

Configuring Frame Relay Services2-14 114058 Rev. AFigure 2-8. Detecting and Controlling Network CongestionIf you enable the congestion control feature

Frame Relay Overview114058 Rev. A 2-15Configuring Synchronous Lines for Frame RelayIf you enable Frame Relay on a circuit, Site Manager automatically s

iv 114058 Rev. ABay Networks Software License(continued)9. Licensee shall not reverse assemble, reverse compile, or in any way reverse engineer the So

Configuring Frame Relay Services2-16 114058 Rev. AThe following publications provide a less technical introduction to Frame Relay:Davidson, R. and Mul

114058 Rev. A 3-1Chapter 3Customizing Frame RelayWhen you enable Frame Relay, default values are in effect for all parameters (seeparameter descriptio

Configuring Frame Relay Services3-2 114058 Rev. AAdding and Deleting Service RecordsA service record is a data structure that allows flexible grouping

Customizing Frame Relay114058 Rev. A 3-3After you delete a PVC, it may reappear on the list of active PVCs if the switchprovider does not delete it. A

Configuring Frame Relay Services3-4 114058 Rev. AEnabling CompressionTo use data compression with Frame Relay, first select WCP from the Protocolsmenu,

Customizing Frame Relay114058 Rev. A 3-5If you are connecting two routers back to back, use one of the DTE parameteroptions (Rev 1 LMI, ANSI T1.617D,

Configuring Frame Relay Services3-6 114058 Rev. ASelecting Address LengthYour options for the DLCI address length are 2, 3, or 4 bytes. Refer to theil

Customizing Frame Relay114058 Rev. A 3-7The default value, 6, tells the router to send a full status inquiry every 6 pollingintervals. For example, wi

Configuring Frame Relay Services3-8 114058 Rev. AControlling CongestionCongestion occurs when a node receives more frames than it can process, or send

Customizing Frame Relay114058 Rev. A 3-9Grouping Service Records for MultilineYou can configure two or more service records to run in multiline mode. S

114058 Rev. A vContentsConfiguring Frame Relay ServicesAbout This GuideBefore You Begin ...

114058 Rev. A A-1Appendix AFrame Relay ParametersInterface ParametersParameter: EnablePath: Configuration Manager > Protocols > Frame Relay >

Configuring Frame Relay ServicesA-2 114058 Rev. AParameter: Mgmnt TypePath: Configuration Manager > Protocols > Frame Relay > InterfacesDefaul

Frame Relay Parameters114058 Rev. A A-3Parameter: Address TypePath: Configuration Manager > Protocols > Frame Relay > InterfacesDefault: ADDR

Configuring Frame Relay ServicesA-4 114058 Rev. AParameter: Polling IntervalPath: Configuration Manager > Protocols > Frame Relay > Interfaces

Frame Relay Parameters114058 Rev. A A-5Parameter: Error ThresholdPath: Configuration Manager > Protocols > Frame Relay > InterfacesDefault: 3O

Configuring Frame Relay ServicesA-6 114058 Rev. AParameter: MulticastPath: Configuration Manager > Protocols > Frame Relay > InterfacesDefault

Frame Relay Parameters114058 Rev. A A-7Parameter: Congestion TimerPath: Configuration Manager > Protocols > Frame Relay > InterfacesDefault: 1

Configuring Frame Relay ServicesA-8 114058 Rev. AService Record ParametersParameter: Service NamePath: Configuration Manager (select a connector) >

Frame Relay Parameters114058 Rev. A A-9Parameter: Circuit State SetPath: Configuration Manager (select a connector) > Edit Connector window > Edi

vi 114058 Rev. AMultiple Service Records ...2-6Adding and Moving

Configuring Frame Relay ServicesA-10 114058 Rev. AParameter: Congestion ControlPath: Configuration Manager (select a connector) > Edit Connector win

Frame Relay Parameters114058 Rev. A A-11Parameter: Congestion CounterPath: Configuration Manager (select a connector) > Edit Connector window > E

Configuring Frame Relay ServicesA-12 114058 Rev. AMultiline ParameterParameter: Multiline Algorithm to Choose LinePath: Configuration Manager (select a

114058 Rev. A. B-1Appendix BFrame Relay Default SettingsThis appendix lists the default parameter settings for Frame Relay. Use theConfiguration Manage

Configuring Frame Relay ServicesB-2 114058 Rev. A.Table B-2. Frame Relay Service Record ParametersParameter DefaultService Name NoneDLCI Number NoneCi

114058 Rev. A Index-1AaddingPVCs, 3-2service records, 3-2adding PVCs to a service record, 2-6address resolution, 2-10address-based distribution for mu

Configuring Frame Relay ServicesIndex-2 114058 Rev. AGgetting helpfrom a Bay Networks Technical ResponseCenter, xxifrom the Support Source CD, xxthrou

114058 Rev. A viiAppendix AFrame Relay ParametersInterface Parameters ...

114058 Rev. A ixFiguresFigure 2-1. Frame Relay Network ....................2-1Figure 2-2. Fr