Avaya X.25 Manual do Utilizador

Part No. 303546-A Rev 00October 1998BayRS Version 13.00Site Manager Software Version 7.00 Configuring X.25 Gateway Services

Configuring X.25 Gateway Servicesx303546-A Rev 00Text ConventionsThis guide uses the following text conventions:bold textIndicates text that you need

Preface303546-A Rev 00xi AcronymsCCITT International Telegraph and Telephone Consultative Committee (now ITU-T)DCE data circuit-terminating equipmentD

Configuring X.25 Gateway Servicesxii303546-A Rev 00Bay Networks Technical PublicationsYou can now print Bay Networks technical manuals and release not

303546-A Rev 001-1 Chapter 1X.25 Gateway OverviewX.25 Gateway lets you send and receive messages between X.25 and Transmission Control Protocol/Intern

Configuring X.25 Gateway Services1-2303546-A Rev 00X.25 Gateway TopologyFigure 1-1 shows a topology consisting of two Bay Networks router systems and

X.25 Gateway Overview303546-A Rev 001-3 Network InterfacesBay Networks routers that support X.25 Gateway services use the following protocols:• X.25 L

Configuring X.25 Gateway Services1-4303546-A Rev 00TCP InterfaceX.25 Gateway appears to TCP as a client. As such, the software specifies one socket fo

X.25 Gateway Overview303546-A Rev 001-5 Figure 1-2. How X.25 Gateway Establishes a Session (X.25 Initiated)If the router detects congestion on the rec

Configuring X.25 Gateway Services1-6303546-A Rev 00Establishing Connections from the X.25 EquipmentEither the X.25 equipment or the TCP/IP-based syste

X.25 Gateway Overview303546-A Rev 001-7 SVCs Without a Called X.121 AddressWhen the X.25 SVC connection does not contain an X.121 called address in th

ii303546-A Rev 004401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1998 Bay Networks, Inc.All rights res

Configuring X.25 Gateway Services1-8303546-A Rev 00Establishing Connections from the X.25 Level 2 (LAPB) Terminal The router uses a similar procedure

X.25 Gateway Overview303546-A Rev 001-9 Figure 1-3. Reestablishing X.25 ConnectionsReestablishing the TCP/IP ConnectionIn the event of a physical laye

Configuring X.25 Gateway Services1-10303546-A Rev 00Figure 1-5. How X.25 Gateway Establishes a Session (TCP Initiated)After establishing the X.25 conn

X.25 Gateway Overview303546-A Rev 001-11 After establishing this X.25-to-TCP session, X.25 Gateway translates X.25 Level 3 data packets received from

Configuring X.25 Gateway Services1-12303546-A Rev 00The TCP and X.25 communication stacks share the responsibility for maintaining reliable and effici

X.25 Gateway Overview303546-A Rev 001-13 X.25 Gateway Message Block OptionsYou can configure X.25 Gateway with the following message block options.• N

303546-A Rev 002-1 Chapter 2Enabling X.25 GatewayThis chapter, as outlined in the following table, describes how to use the Configuration Manager to s

Configuring X.25 Gateway Services2-2303546-A Rev 00Enabling X.25 Gateway ServicesTo enable X.25 Gateway services:1.Add an entry to the IPEX mapping ta

Enabling X.25 Gateway303546-A Rev 002-3 7. Edit the following parameters as appropriate to your network. Use Help or see the parameter descriptions in

303546-A Rev 00iiiBay Networks, Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using the accom

Configuring X.25 Gateway Services2-4303546-A Rev 00Figure 2-1. IPEX Mapping Add Window for Source PVC Parameter: Source Connection Type Default: None

Enabling X.25 Gateway303546-A Rev 002-5 Parameter: Mapping Type Default: End_to_End Options: Local | End_to_End | Gateway Function: Specifies whether

Configuring X.25 Gateway Services2-6303546-A Rev 00 Parameter: TCP Circuit Name Default: None Options: The name of this circuit. When you add a TCP ci

Enabling X.25 Gateway303546-A Rev 002-7 Configuring Mapping ParametersComplete the following steps to configure IPEX mapping parameters:IPEX Mapping P

Configuring X.25 Gateway Services2-8303546-A Rev 00Figure 2-2. IPEX Mapping Parameters Window for PVCFigure 2-3. IPEX Mapping Parameters Window for SV

Enabling X.25 Gateway303546-A Rev 002-9 Figure 2-4. IPEX Mapping Parameters Window for TCPParameters for PVC and SVC ConnectionsParameter descriptions

Configuring X.25 Gateway Services2-10303546-A Rev 00 Parameter: X.121 Called Address Default: None Options: Any valid X.121 address Function: Specifie

Enabling X.25 Gateway303546-A Rev 002-11 Parameter: Remote TCP Port Number Default: None Options: The TCP port number at the remote connection, a val

Configuring X.25 Gateway Services2-12303546-A Rev 00 Parameter: Destination Connection Type Default: None Options: SVC | PVC Function: Specifies eithe

Enabling X.25 Gateway303546-A Rev 002-13 Use the Copy button in the IPEX Mapping Table Configuration window (Figure 2-5) to replicate a configuration.

iv303546-A Rev 00its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files, d

Configuring X.25 Gateway Services2-14303546-A Rev 00Site Manager ProcedureYou do this System responds1. Choose the configuration you want to replicate

Enabling X.25 Gateway303546-A Rev 002-15 Figure 2-6. IPEX Mapping Replication Window

Configuring X.25 Gateway Services2-16303546-A Rev 00Figure 2-7. IPEX Mapping Table Configuration Window After Replicating a PVC-to-TCP Connection

Enabling X.25 Gateway303546-A Rev 002-17 Figure 2-8. IPEX Mapping Table Configuration Window After Replicating a TCP-to-PVC Connection

Configuring X.25 Gateway Services2-18303546-A Rev 00Parameters for Replicating Connections Parameter: Number of Instances Default: None Options: 1 to

Enabling X.25 Gateway303546-A Rev 002-19 Parameter: First TCP port number Default: None Options: For a PVC-to-TCP connection, this value can be any v

303546-A Rev 00Index-1Aacronyms, xiadding an IPEX mapping entry, 2-2address, called X.121, 1-6Bblock, message, 1-13boundary, message, 1-12Ccalled X.12

Index-2303546-A Rev 00IP (Internet Protocol)address, 1-4protocol, 1-3IPEXadding a mapping entry, 2-2mapping parameters, configuring, 2-7requirement to

303546-A Rev 00Index-3publications, Bay Networks, xiiPVCconfiguring for X.25 Gateway, 1-3definition of, 1-1description of Gateway connection, 1-7RRemo

303546-A Rev 00vContentsPrefaceBefore You Begin ...

vi303546-A Rev 00Handling Large Data Messages ...1-12How X.25 Handle

303546-A Rev 00viiFiguresFigure 1-1. Sample Network Topology Using X.25 Gateway ...1-2Figure 1-2. How X.25 Gateway

303546-A Rev 00ix PrefaceThis guide describes X.25 Gateway services and what you do to start and customize X.25 Gateway services on a Bay Networks® ro