Avaya Configuring SDLC Services Uživatelský manuál

Configuring SDLC Services Router Software Version 10.0Site Manager Software Version 4.0Part No. 112921 Rev. AJanuary 1996

xi About This Guide If you configure and manage Synchronous Data Link Control (SDLC) services for Bay Networks routers, refer to this guide for• An ov

Configuring SDLC Servicesxii Bay Networks Customer Support Bay Networks provides live telephone technical support to our distributors, resellers, an

About This Guidexiii To open an account and receive a local dial-up number, call CompuServe at 1-800-524-3388 and ask for Representative No. 591.• In

Configuring SDLC Servicesxiv How to Get Help For additional information or advice, contact the Bay Networks Technical Response Center in your area:Un

About This Guidexv Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications, order by par

1-1 Chapter 1Synchronous Data Link Control Overview This chapter describes the following Synchronous Data Link Control (SDLC) features and services:•

Configuring SDLC Services1-2 SDLC Features You can configure most of the following features using the SDLC parameters described in Chapter 4. Link Sta

Synchronous Data Link Control Overview1-3 Physical Connections SDLC supports communication with attached SNA/SDLC devices using V.24 (RS-232), V.35,

4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1988–1996 Bay Networks, Inc. All rights reserved. Pr

Configuring SDLC Services1-4 A two-byte Frame-checking field lets the receiving station check the received frame for errors. A one-byte flag ends the f

2-1 Chapter 2SDLC Implementation Notes Keep the following implementation notes in mind when you configure SDLC services. Link Stations With DLSw, you

Configuring SDLC Services2-2 • RTS EnableChapter 3 describes how to complete the SDLC Line Parameters window. To view or change synchronous line para

3-1 Chapter 3Enabling SDLC Services This chapter describes how to enable SDLC services. It assumes you have read Configuring Routers and that you ha

Configuring SDLC Services3-2 Figure 3-1. SDLC Line Parameters Window 2. Configure the parameters. Refer to the parameter descriptions in this chapter

Enabling SDLC Services3-3 4. Select either DLSw or APPN to run on the SDLC circuit. Site Manager then displays the appropriate windows from which you

Configuring SDLC Services3-4 Parameter: Internal Clock Speed Default: 64 KB Options: 1200 B | 2400 B | 4800 B | 7200 B | 9600 B | 19200 B | 32000 B

Enabling SDLC Services3-5 Parameter: Cable Type Default: Null Options: Null | RS232 | RS422 | V35 | X21 Function: Specifies the cable interface type of

4-1Chapter 4Editing SDLC ParametersUse the Configuration Manager to access, configure, and edit• SDLC global parameters• SDLC interface parameters• SDLC

Bay Networks, Inc. 4401 Great America Parkway, Santa Clara, CA 950548 Federal Street, Billerica, MA 01821 Bay Networks Software License This Software

Configuring SDLC Services4-2The Technician Interface lets you modify parameters by issuing set and commit commands with the MIB object ID. This proces

Editing SDLC Parameters4-3Editing SDLC Global ParametersSDLC has only one configurable parameter (Enable) visible at the global level. To change the se

Configuring SDLC Services4-4 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables the system software mechanisms

Editing SDLC Parameters4-5Figure 4-3. SDLC Interface Configuration Window2.Select the interface you want to customize. The parameter values for that in

Configuring SDLC Services4-6SDLC Interface Parameter DescriptionsUse the following parameter descriptions to edit SDLC interface parameters. Parameter

Editing SDLC Parameters4-7 Parameter: Link Station Role Default: PRIMARY Options: PRIMARY | SECONDARY | NEGOTIABLE Function: Defines the link station r

Configuring SDLC Services4-8 Parameter: Max Frame Retransmit Count Default: 5 Range: 1 to 7 Function: Specifies the maximum number of times to retransm

Editing SDLC Parameters4-9 Parameter: Idle Line Timer Default: 6000 milliseconds Range: 1 to 65535 Function: Specifies the time used to determine whet

Configuring SDLC Services4-10 Parameter: Port Write Retry Limit Default: 10 Range: 1 to 65535 Function: Used with the Port Write Timer parameter to pr

Editing SDLC Parameters4-11 Parameter: Primary Full Duplex Default: FALSE Options: TRUE | FALSE Function: Specifies whether the primary SDLC link stati

Bay Networks, Inc. 4401 Great America Parkway, Santa Clara, CA 950548 Federal Street, Billerica, MA 01821 Bay Networks Software License (continued)

Configuring SDLC Services4-12 Parameter: Max XID Size Default: 256 Range: 2 to 256 Function: Specifies the maximum XID size that will be sent or receiv

Editing SDLC Parameters4-13 Parameter: Inbound Link Station Limit Default: 8 Range: 1 to 254 Function: Specifies the inbound link station activation li

Configuring SDLC Services4-14 Parameter: Initial Flow Control Credit Default: 7 Range: 1 to 50 Function: Regulates the flow of data from the SDLC devi

Editing SDLC Parameters4-15Adding an SDLC Link StationTo add an SDLC link station:1. In the SDLC Interface Configuration window (refer to Figure 4-3),

Configuring SDLC Services4-16Figure 4-5. Link Station Configuration Window 3.Enter the link station address. (Refer to the description of the parameter

Editing SDLC Parameters4-17 Parameter: Link Station Address (hex) Default: None Options: Any valid hexadecimal link station address from 0x01 to 0xFE

Configuring SDLC Services4-18SDLC Link Station Parameter DescriptionsUse the following descriptions as guidelines when you configure the parameters in

Editing SDLC Parameters4-19 Parameter: MAXDATA Default: PDU2057 Options: PDU265 | PDU521 | PDU1033 | PDU2057 Function: Specifies the maximum frame size

Configuring SDLC Services4-20 Parameter: Response Timer Default: 100 milliseconds Range: 100 to 64000 Function: Specifies the length of time that SDLC

Editing SDLC Parameters4-21 Parameter: REPLYTO Timer Default: 30 tenths of a second Range: 1 to 600 Function: Specifies the maximum length of time a p

v Contents About This Guide Audience ...

Configuring SDLC Services4-22 Parameter: Fast Poll Timer Default: 400 milliseconds Range: 1 to 64000 Function: Controls the timeout required before re

Editing SDLC Parameters4-23 Parameter: Slow Poll Count Limit Default: 65535 Range: 1 to 65535 Function: Controls the number of times a link station is

Configuring SDLC Services4-24 Parameter: Pre-Activation Contact Frame Default: XID Options: XID | DISC | SNRM | SNRME | TEST Function: Specifies the fr

Editing SDLC Parameters4-25 Parameter: Fast Contact Timer Default: 4000 milliseconds Range: 1 to 64000 Function: Controls the timeout required before

Configuring SDLC Services4-26 Parameter: Slow Contact Retry Limit Default: 8 Range: 1 to 65535 Function: Controls the number of times a contact frame

Editing SDLC Parameters4-27 Parameter: Poll Bit Set In I-Frame Default: TRUE Options: TRUE | FALSE Function: Specifies whether this link station sends

A-1Appendix ASDLC Default Parameter SettingsTables A-1 through A-3 list the default settings for SDLC parameters. Use the Configuration Manager to edit

Configuring SDLC ServicesA-2Table A-2. SDLC Interface Parameters ParameterDefault Setting with APPNDefault Setting with DLSwEnable Enable EnablePort N

SDLC Default Parameter SettingsA-3Receive Buffer Pool Size 7 7Initial Flow Control Credit 7 7Enable Stats Collection True TrueTable A-3. SDLC Link Sta

vi Chapter 3 Enabling SDLC Services Enabling SDLC on an Interface ...

Configuring SDLC ServicesA-4Slow Poll Timer 1000 ms 1000 msSlow Poll Count Limit 65535 65535Pre-Activation Contact Frame XID XIDFast Contact Timer 40

Index-1Aadding SDLC link stations, 4-15address field in SDLC frames, 1-3APPNlink station types allowed, 2-1using with SDLC, 1-4BBay NetworksCompuServe

Index-2flag field in SDLC frames, 1-3formatsSDLC frames, 1-3frame formats, 1-3frame-checking field in SDLC frames, 1-3full-duplex transmission, 1-2configu

Index-3Port Write Timer parameter, 4-9Pre-Activation Contact Frame parameter, 4-24Primary Full Duplex parameter, 4-11primary link stations, 1-2configur

vii Figures Figure 1-1. SDLC Frame Format ...1-3Figure 3-1. SDLC Line Pa

ix Tables Table A-1. SDLC Line Parameters ................... A-1Table A-2. SDLC Interface Pa