HP 11i User manual

Brand: HP

Model: 11i

Category: Networking

Type: User manual

ACC HDLC/LAP-D Protocol User’s Guide

Edition 4

HP 9000 EISA Computers

Manufacturing Part Number: Z7487-90006

E0400

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Preface

The HDLC/LAP-D Protocol Product is used in conjunction with Hewlett-

Packard’s Advanced Communications Controller (ACC) product.

Specifically this protocol applies only to the E1/T1 4-port multiplexer

cards (Z7300A etc.)

This manual applies to the ACC Protocols for Application Developers

product.

This manual explains installing the HDLC/LAP-D protocol module and

configuring it into the ACC product.

Publishing History

The Printing H istory below identifies the edition of this manual and any

updates that are included. Periodically, update packages are distributed

which contain replacement pages to be merged into the manual,

including an updated copy of this printing history page. Also, the update

may contain write-in instructions.

Each reprinting of this manual wil l incorporate all past u pdates;

however, no new information will be added. Thus, the reprinted copy will

be identical in content to prior printings of the same edition with its

user-inserted update information. New editions of this manual will

contain new information, as well as all updates.

Manual updates may be issued between editions to correct errors or

document product changes. To ensure that y ou receive the updated or

new editions, you should subscribe to the a ppropriate product support

service. See your HP sales representative for details.

First Edition January 1997. Release B.02.30

Second Edition June 1997 Release B.02.39 (HP-UX 10.10)

Release B.02.40 (HP-UX 10.20)

Third Edition October 1998 Release B.03.01 (HP-UX 11.0)

Fourth Edition April 2000 Release B.03.10 (HP-UX 11.0)

Organization

This manual contains the following chapters and appendices:

Chapter 1 Introduction - presents an overview of the features provided

by the HDLC/LAP-D Protocol product.

Chapter 2 Software Installation and Verification - describes

how to install the protocol module software. It describes how to

verify that the protocol software is correctly installed and is

functional.

Chapter 3 Using HDLC/LAP-D Protocol - contains information

about using the HDLC/LAP-D protocol

Chapter 4 Protocol Specific Configuration - contains HDLC/

LAP-D specific configuration information.

Appendix A Sample Configuration Files - contains a listing of

thesampleconfigurationfilesprovidedwiththis

product.

Related Documentation

The documentation available for the Multiprotocol ACC family of

products includes the following hardware and software manuals:

Hardware Manuals

• 8 Channel HP-PB ACC Multiplexer Hardware Installation and

Reference Manual

• 8 Channel EISA ACC Multiplexer Hardware Installation and

Reference Manual

• 8 Channel PCI ACC M ultiplexer Hardware Installation and Reference

Manual

• 2 Channel (HP-PB) ACC Multiplexer Hardware Installation and

Reference Manual

• 4-Chan. T1/E1 (HP-PB) ACC Multiplexer Hardware Installation and

Reference Manual

Software Manuals

• ACC Installation and Configuration Guide

• ACC Utilities Reference Guide

• ACC Programmer’s Reference Guide

• ACC Error Guide

• HDLC Frame Protocol User’s Guide

• ACC X.25 Protocol User’s Guide

• ACC X.25/ISDN Data Analyzer User’s Guide

• ACC HDLC/LAP-B (ABM) Protocol User’s Guide

• ACC HDLC/LAP-D Protocol User’s Guide

• HDLC-NRM (SDLC) Protocol User’s Guide

• X.25/ACC Installation and Configuration Guide

• X.25/ACC Update Guide

• X.25/9000 User’s Guide

• X.25/9000 Programmer’s Guide

Contents

1. Overview

Introduction................................................12

ProductFeatures............................................12

SupportedDevices...........................................12

References.................................................13

2. Software Installation and Verification

Introduction................................................16

SoftwareRemoval...........................................17

SoftwareInstallation.........................................18

Running Swinstall . . . . .....................................18

ProductIdentification........................................19

InstallationVerification ......................................20

UsingtheHDLC/LAP-DProtocolModule.......................20

VerificationProcedure......................................20

3. Using HDLC/LAP-D Protocol

Introduction................................................26

GeneralProtocolProcessing...................................27

ApplicationMessageHeaders................................27

UnnumberedInformationFrames ............................27

TimeoutProcessing ........................................28

RequestSpecificProcessing...................................29

TerminalEnable/DisableRequests............................29

TerminalActivate/DeactivateRequests........................29

Write(Transmit)Requests ..................................29

ControlRequests ..........................................30

Contents

ReceivedData............................................31

StatusandErrorMessages...................................32

TerminalRequestStatusCodes..............................32

UnsolicitedStatusMessages................................33

WriteCompletionStatusCodes..............................36

ControlWriteCompletionStatusCodes.......................36

ReadCompletionStatusCodes..............................37

4. Protocol Specific Conf iguration

Introduction...............................................40

Interface-Definition.........................................40

Port-Definition.............................................40

Subchannel-Definition.......................................41

Terminal-Definition.........................................42

PredefinedConfigurationValues...............................45

Poll/Select/OptionConfigurationValues.........................46

PollWord................................................47

SelectWord..............................................48

FirstOptionWord.........................................49

SecondOptionWord.......................................50

A. Sample Configuration Files

SampleNetworkConfigurationFile............................52

1 Overview

12 Chapter1

Overview

Introduction

The HDLC/LAP-D Protocol p roduct is the D ata Link or Level 2 l ayer

used in conjunction with the Advanced Communications Controller

(ACC) product. This manual provides installatio n and c onfiguration

information that is specific to the HDLC/LAP-D protocol.

NOTE The ACC HDLC/LAP-D Protocol product currently runs only on the

4-channel E1/T1 Multiprotocol ACC card.

Product Features

The L AP-D (Link Access Procedure - D Channel) protocol is defined i n

ITU-T Recommendation Q.921.

Supported Devices

Any device which conforms to the published HDLC/LAP-D standards

will be supported by this ZCOM HDLC/LAP-D implementation.

Chapter 1 13

Overview

References

For information on installing t he ACC product and how to start up the

ACC Subsystem, refer to the ACC Installation and Configuration Guide.

For information on use of the ZCOM Programmatic Interface, refer to the

ACC Programmer’s Reference Guide.

For information on using the utilities related to the ACC products, refer

to the ACC Utilities Reference Guide.

For information on error messages related to the ACC products, refer to

the ACC Error Guide.

14 Chapter1

Overview

References

2 Software Installation and

Verification

16 Chapter2

Software Installation and Verification

Introduction

The HDLC/LAP-D protocol is included in the ACC Developer Software

Suite product. This chapter describes how to install the product using

the swinstall utility. It also describes how to verify th at the protocol has

been successfully installed and is functional.

Chapter 2 17

Software Installation and Verification

Software Removal

If a previous version of the HDLC/LAP-D protocol product is already on

the HP-UX system, it should first be removed.

CAUTION It is very important to follow the instructions provided with the software

that is currently installed in the system to shutdown and remove that

software. This procedure may change between major releases of t he

product.

Step 1. Log in to the system as superuser.

Step 2. Terminate the ACC Mux Subsystem by typing:

% zmastrd kill

Step 3. Run swremove to remove the HDLC/LAP-D protocol product.

% swremove

NOTE The swremove will fail if any ACC daemon is still active. Terminate any

active ACC daemon indicated in the log file and try again.

Any of the ACC related products can be removed by selecting them and

then marking them for removal. (Both the terminal interface and the

GUI interface for swremove behave the same; only the means for

selecting items differs.)

Step 4. Select the HDLC/LAP-D protocol product (and any other items to be

removed) in the “Software Selection Window” and mark for removal,

using the “Mark for Remove” function under the “Actions” menu. When

all items are marked, select the “Remove(analysis)” action.

Open “Logfile” to view running status of the removal process, and follow

any screen prompts until the removal process is done.

18 Chapter2

Software Installation and Verification

Software Installation

Software Ins ta llation

Running Swinstall

The ACC software is read from the HP-UX Application CD-ROM, in

superuser mode, using the swinstall utility. The steps are shown below.

Step 1. Log in to the system as “root”.

Step 2. PlacethemediainalocalorremoteCD-ROMdrive.

Step 3. Run swinstall, which behaves the same in the GUI interface as for t he

terminal interface. When the “Specify Source” box opens, select “Source

Depot Type” to “Local CDROM”, or for a remote CD-ROM driver, select

for “Network Directory/CDROM” and set “Source Host Name...”. Select

“OK”.

Step 4. Select the ACC Developer S oftware Suite product and any other ACC

items to be installed, from the list of software bundles; open the “Actions”

menu and select “ Mark for Install”.

Step 5. When all items have been marked, select “Install (analysis)”; select “OK”

and proceed.

The “Install (analysis)” window allows you to track summary progress of

theinstallationprocess.Usethe“Logfile”featuretodisplayadetailed

status, which is l ogged to /var/adm/sw/swagent.log.

Chapter 2 19

Software Installation and Verification

Product Identification

The what utility can b e run on /opt/acc/<card-type>/lapd.zabs. to

show what version of the protocols is installed.

20 Chapter2

Software Installation and Verification

Installation Verification

Asampleconfigurationfile/opt/acc/cfg/lapd_4ch_sample.answ file is

provided with the ACC Developer Software Suite product. This sample

file can be used to verify that the HDLC/LAP-D protocol module has been

properly installed and is functional. Note that you need to customize this

file, to reflect the location of the mux card(s) and to reflect the mux ports

to be used. (The lapd_4ch_sample.answ file is shown in Appendix A ,

“Sample Configuration Files,”.)

The steps in the verification process are listed below. It is assumed that

the ACC Developer Software Suite product is installed on the system,

and that there is at least one ACC Multiplexer card installed with

cabling attached.

A loopback cable should be used to connect two of the ports on the

multiplexer. For the configuration file provided, it is assumed that the

first two ports of the mux card are connected with a loopback cab le.

Using the HDLC/LAP-D Protocol Module

The ACC Installation and Configuration Guide contains the general

procedure for configuring the network configuration file, and starting up

the ACC subsystem with the new protocol and new configuration. Refer

to Chapter 4 , “Protocol Specific Configuration,” for HDLC/LAP-D

specific configuration requirements w hen building the network

configuration file.

Verification Procedure

The procedure described involves using the ttgen, zmntr,andzterm

utilities. These utilities are described in the ACC Ut ilities Reference

Guide.

Step 1. Modify the Mux definition statement in the

/opt/acc/cfg/lapd_4ch_sample.answ to reflect the location of the ACC

Mux cards if necessary. (Refer to Chapter 4 , “Protocol Specific

Configuration,” for information on how to modify this statement.)

Step 2. Thesamplefileonlyconfiguresthefirsttwoportsofonemuxcard.If

desired, expand the configuration file to include additional ports.

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HP 11i User manual

Brand: HP

Model: 11i

Category: Networking

Type: User manual

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HP 11i User manual

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