Allied Telesis AT-S9 Bedienungsanleitung

Allied Telesis Verschiedenes – Sonstiges AT-S9

Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Allied Telesis AT-S9 (114 Seiten) in der Kategorie Verschiedenes – Sonstiges. Dieser Bedienungsanleitung war für 12 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet

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Seite 1/114

AT-4016TR

AT-4016F

AT-TS95TR

Ethernet Switch

with ATM Access

AT-S7

AT-S9

Release 2.0

Operations Manual



Telesyn International Corporation.

Allied Telesyn International Corporation reserves the right to make changes in specifications and other information

contained in this document without prior written notice. The information provided herein is subject to change without

notice. In no event shall Allied Telesyn International Corporation be liable for any incidental, special, indirect, or

consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or

the information contained herein, even if Allied Telesyn International Corporation has been advised of, known, or

should have known, the possibility of such damages.

Trademarks: Ethernet is a registered trademark of Xerox Corporation. UNIX is a registered trademark of UNIX

System Laboratories. Novell and NetWare are registered trademarks of Novell, Inc. Microsoft and MS-DOS are

registered trademarks and LAN Manager and Windows for Workgroups are trademarks of Microsoft Corporation.

3Com is a registered trademark of 3Com. PC-NFS is a trademark of Sun Microsystems, Inc. PC/TCP is a registered

trademark of FTP Software, Inc. DECnet is a registered trademark of Digital Equipment Corporation.

iii

Table of Contents

Preface

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Assumptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viii

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viii

Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viii

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix

Contacting ATI Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

Phone Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

Bulletin Board Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

Internet Mail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

CompuServe Forum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x

FTP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xi

World Wide Web. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xi

Chapter 1

Product Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

ATI’s Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Standards Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Virtual Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Permanent Virtual Circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

LAN Emulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Ethernet Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Store-and-forward . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Cut-through . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Bridging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Bridge Address Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table of Contents

Chapter 2

Getting Started

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Getting Started — Omega . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

System Administration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

System Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Password, Timeout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

IP Parameters Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Getting Started — ATM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

ATM Parameters Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Sonet/SDH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Clocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

ATM Address. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

VPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

LAN Emulation Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Emulated LAN Definitions Submenu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Port to ELAN Configuration Submenu AT-S7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Port to ELAN Configuration Submenu AT-S9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

MAC Address to ELAN Configuration Submenu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

PVC Definitions Submenu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

To Configure a PVC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Status And Statistical Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Cell Statistics Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Virtual Circuit Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

MAC Address Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Chapter 3

Ethernet Administration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Accessing Omega . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Selecting Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Password, Timeout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

To Configure a TCP/IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

BootP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Port Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Port Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

System Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Ethernet Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Terminal Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Update Software In Another System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Broadcast Updated Software To All Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Activity Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Connect to a Remote System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

Reset and Restart the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Frame Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Single Counter Graph. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

System Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Individual Port Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Individual Port Graph — Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

AT-S7/AT-S9 Operations Manual

Error Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Individual

Port Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Cell Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Chapter 4

Software

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

To Obtain New or Upgraded Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

PCMCIA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Firmware Cassette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

FTP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

TFTP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Appendix A

TFTP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

TFTP To CIB Configuration Data Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Get . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Put . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

General System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

ATM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Ethernet Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Spanning Tree Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

ELAN/VLAN Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Appendix B

Glossary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Appendix C

Technical Support Fax Order

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Incident Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Appendix D

AT-S7/AT-S9 Manual Feedback

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Appendix E

Where To Find Us

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Appendix F

Index

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

vii

Preface

Background

This document represents a discussion of the software operating systems of

Allied Telesyn International’s (ATI’s)

AT-4016TR (or AT-4016F) Ethernet

Switch With ATM Access

which uses the optional AT-S7 PCMCIA Firmware

Card (Version 2.0) and the

AT-TS95TR TurboStack Switch With ATM Access

and Management

which uses the optional AT-S9

Firmware Cassette

(Version 2.0).

This manual assumes that you, the user, are familiar with the fundamentals of

Asynchronous Transfer Mode (ATM) technology as well as the operation of

Ethernet switches.

If you are unsure about some of the features included in this document, we

refer you to the reference documentation noted in this preface under the

subheading “Related Documentation.”

As you are probably aware, the standards for electronic networks in general,

and ATM technology in particular, are in transition. They have changed. They

are presently changing. They will certainly change in the immediate future.

In short, while our criteria is valid as of the date of this publication, this arena

of technology is so dynamic that you are cautioned to seek other sources for

the latest standards.

Preface

viii

Assumptions

The differences between the AT-S7 and the AT-S9 are primarily physical. The

following table summarizes these differences.

Contents

The contents of each chapter are described below.

❑

Chapter 1, “Product Description” introduces an overview of

functions and features. This chapter includes information that is

common to both the AT-S7 and the AT-S9.

❑

Chapter 2, “Getting Started” describes how an experienced user can

quickly, and easily, configure an ATM network using ATI’s Omega

management software. This chapter includes information that is

specific to both the AT-S7 and the AT-S9.

❑

Chapter 3, “Ethernet Administration” tells you how to use ATI’s

Omega management Ethernet software.

❑

Chapter 4, “Software” describes several methodologies for

subsequent software support.

Document Conventions

The following conventions are used in presenting information in this manual:

Commands, prompts, and information displayed by the computer appear in

Courier typeface, for example:

Current Number of Learned Addresses: 133

Number of Defined Filters: 4

Menu selections/menu titles appear in Courier bold typeface and prove direct

access through the menus. For example, from the System Administration

submenu, enter the letters

for

ATM Parameters

to access submenu

information.

AT-4016TR >

AT-TS95TR >

Table 1:

AT-S7/AT-S9 Characteristics

AT-4016TR/AT-4016F AT-TS95TR

AT-S7 PCMCIA Firmware Card AT-S9 Flash EPROM Cassette

16 10Base-T or Fiber Optic ports 8 10Base-T ports

No backplane 6-port segmented backplane

ATM media port is in back ATM media port is in front

AT-S7/AT-S9 Operations Manual

NOTE

A note provides additional information about, or possible consequence of, a

specific action you can perform.

Related Documentation

You may ﬁnd the following networking reference material helpful:

❑

Internetworking with TCP/IP: Principles, Protocols, and Architecture

(2nd

❑

Interconnections, Bridges and Routers,

Radia Perlman, Addison Wesley

❑

The Simple Book, An Introduction to Management of TCP/IP-based

internets

, Marshall T. Rose, Prentice Hall © Second Edition, 1994.

❑

ATM Forum contributions are only available to Principal Members of

the ATM Forum although published Forum specifications are

available for purchase. Call the ATM Forum at 415.578.6860, fax

server at 415.525.0182, or send e-mail to

af-info@atmforum.com

for details about ATM Forum membership.

❑

UNI 3.0 specifications are published by Prentice Hall and are

available at technical bookstores.

❑

Internet RFCs can be obtained through anonymous FTP or e-mail to

rfc-info@ISI.EDU

with the message:

help: ways_to_get_rfcs

❑

Internet drafts are available by anonymous FTP. Internet draft

directories are located at:

— US East Coast:

ds.internic.net

— US West Coast:

ftp.isi.edu

— Europe:

nic.nordu.net

— Pacific Rim:

nunnari.oz.au

❑

ATM documentation is also available through Phillips Publishing

International: 301.424.3700 or 703.281.1135

Preface

Contacting ATI Technical Support

Problems? Questions can be directed to ATI’s Technical Support staff by:

❑

Telephone

❑

Bulletin board services

❑

Electronic mail via the Internet

❑

CompuServe forum

When you contact Technical Support, you should have the following

information available:

❑

Firmware Revision number

❑

Complete description of the problem including any observed errors

❑

Complete configuration information

❑

Serial number of your ATI Switch

Phone Numbers

Commercial telephone service is available Monday through Friday from 5:00

AM to 5:00 PM PST:

1-800-428-4835

(North America)

The FAX number is:

206-481-3790

For telephone numbers outside of the United States and Canada, contact

your reseller or regional ATI ofﬁce.

Bulletin Board

Services

A bulletin board is available. The number is:

206-483-7979

Modem settings for the bulletin board are: 8 bits; no parity; 1 stop bit.

The process is straightforward: Once the BBS is accessed, it requests that

you register either as a new user or as a current user. It then provides

instructions on the various features and functions available. This is followed

by a list and description of all available technical notes and ﬁles that can be

downloaded.

Internet Mail

You can send electronic mail via the Internet to:

tech_support@centre.com

CompuServe

Forum

ATI has a forum on CompuServe. You can reach us by typing

GO ALLIED

the CompuServe prompt (!).

AT-S7/AT-S9 Operations Manual

FTP Server

Allied Telesyn provides access to an anonymous FTP Server for driver and

Readme ﬁles on our adapter cards and managed products. The server can be

accessed through your Internet connection as follows (note — use lower case

letters):

World Wide Web

You can access Allied Telesyn at our new Web Site using the following:

http://www.alliedtelesyn.com

Address gateway.centre.com [lowercase letters]

Password your e-mail address [requested by the server when you login]

Chapter 1

Product Description

Overview

Welcome to Allied Telesyn International!

Allied Telesyn’s

AT-4016TR Ethernet Switch With ATM Access

AT-4016F

Ethernet Switch With ATM Access

and

AT-TS95TR TurboStack Switch With

ATM Access and Management

are all Ethernet-to-Ethernet and Ethernet-

to-ATM switches. All support 10 Mbps of

dedicated

bandwidth on 16

(AT-4016) or 8 (AT-TS95TR) IEEE 802.3 Ethernet ports. Further, all support

a 155 Mbps Asynchronous Transfer Mode (ATM) port for connectivity to an

ATM switch.

The release of system software Version 2.0 supports Ethernet and ATM

communication over Permanent Virtual Circuits (PVCs).

Your switch also provides an Emulated LAN (ELAN) capability by either

port or MAC address which, in turn, allows you to group all Ethernet ports —

as well as additional switches — as if you are in the same physical LAN.

As stated in the Preface, both switches are almost identical in form and

function. The differences are primarily physical. The following table, repeated

from the Preface, summarizes these differences.

Table 2:

AT-S7/AT-S9 Differences

AT-4016TR/AT-4016F AT-TS95TR

AT-S7 PCMCIA Firmware Card AT-S9 Flash EPROM Cassette

16 10Base-T or Fiber Optic ports 8 10Base-T ports

No backplane 6-port segmented backplane

ATM media port is in back ATM media port is in front

Product Description

Features

The following features are fully implemented:

❑

An Ethernet switch combined with ATM connectivity

❑

Emulated LAN support (up to 64 ELANs) user defined either by port

or MAC address

❑

Software upgrading and downloading using TFTP or the optional

PCMCIA Firmware Card (AT-S7 — Version 2.0) for the AT-4016TR

as well as the AT-4016F/SC and the AT-4016F/ST

❑

Software upgrading and downloading using TFTP or the optional

Firmware Cassette (AT-S9 — Version 2.0) for the AT-TS95TR

❑

Permanent Virtual Circuit (PVC) connectivity using LAN Emulation

headers/encapsulation

❑

ATI’s Omega software management through Telnet or a serial

connection to a RS232C port

❑

Omega management for high-level features such as administration,

statistics, status and security

❑

Support For Up To 2,048 Media Access Control (MAC) Addresses

❑

ATM Connection Management Support For Up To 128 Permanent

Virtual Circuits (PVCs) using a single Virtual Path Identifier (VPI)

❑

992 available Virtual Circuit Identifiers (VCIs)

ATI’s Solution

If your LAN is reaching the limit of its bandwidth capacity, then transition

your legacy, shared-media trafﬁc, to a switched 10 Mbps network. Then, by

introducing ATM functionality to connect that same trafﬁc to a server or

backbone (up to theoretically 155 Mbps in this case), bottlenecks will be

mitigated.

This value-effective approach enables you to only “upgrade” devices that

actually need the increased bandwidth (like the server).

Finally, ATI’s ATM switches are the ﬁrst phase to meet both current and

future needs of your expanding networks. These services will enhance the

business environment for years to come.

AT-S7/AT-S9 Operations Manual

Figure 1 shows the front panel of an AT-4016TR. It is presented as a review

of the positioning of the relevant ports.

Figure 2 shows the rear panel of an AT-4016TR.

Note that, whereas this figure shows a single power supply, an optional dual,

load-sharing, power supply is available.

Figure 3 shows the front panel of an AT-TS95TR.

Figure 1:

AT-4016TR Front

Panel

RS232C Network

Management Port

PCMCIA Port

Ethernet Switch with ATM Access

LINK

RECEIVE

COLLISION

PCMCIA RS-232

PRESENT

FAIL

POWER SUPPLY

ALARMS 12

XXX XXXX XXXX XXX

MDI

MDI-X

NETWORK LOAD

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

RED YELLOW BLUE

ATM PORT

ONLINE SYNC LOS

RESET

LOOP-OUT

LOOP-IN

Figure 2:

AT-4016TR Rear

Panel

POWER SUPPLY

Ethernet Switch with ATM Access

POWER SUPPLY 1

ATM MEDIA INTERFACE AC

LOOP

INTERNAL

FAIL

FIBER SC DUPLEX

OC-3c

TIMING

SYNC LOS

ATM MEDIA INTERFACE

Figure 3: AT-TS95TR Front

Panel

ATM MEDIA INTERFACE

RS232C Network

Management Port

10Base-T Ports

Product Description

Figure 4 shows the rear panel of an AT-TS95TR.

Standards Compliance

The following Management Information Base (MIB) protocols are supported

by ATI’s Management Software. An expanded discussion of selected MIB

support is provided in Appendix B.

❑SNMP MIB2 (RFC 1213)

❑Ethernet MIB (RFC 1643)

❑Bridge MIB (RFC 1493)

Virtual Circuits

There are two types of Virtual Circuits:

1. Permanent Virtual Circuits (PVCs) and

2. Switched Virtual Circuits (SVCs).

A connection-oriented technology such as ATM, means that a call or virtual

connection needs to be established between at least two stations before data

can be transferred. This release presently supports Permanent Virtual

Circuits (PVCs). Switched Virtual Channels (SVCs) will be supported in a

later release.

Your switch supports up to 128 PVCs.

Figure 4: AT-TS95TR Rear

Panel

Firmware Cassette Port

Backplane

AT-S7/AT-S9 Operations Manual

Permanent Virtual

Circuits If connections are established manually through either network management

or remote communications, the channels are called Permanent Virtual

Circuits (PVCs). PVCs are implemented through either a management

program termed Omega or a remote management station. With this release,

each switch must have a PVC connection between itself and every other

switch.

Analogous to a leased or dedicated real circuits found in packet-based

networks, PVCs must be physically conﬁgured by a network administrator

from the ATM switch to both establish and maintain ATM connectivity.

LAN Emulation

An Emulated LAN (ELAN) allows you to configure a network through

software instead of rearranging physical cables.

ELANs are created and managed using Omega software management

screens.

Figure 5 shows a typical ATM network topology.

Figure 5: ATM Topology

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLYALARMS NETWORK LOADATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

ATM

Switch

ATM inter-switch connection

Single physical link with

multiple PVCs

Server

Station 1

Station 2

“A” “B”

“C”

“D”

“E”

ATM

Switch

ATM

Switch ATM

Switch

ATM

Switch

ATM

Cloud

Server

Product Description

Ethernet Switching

There are two popular methods to forward information: store-and-forward

and cut-through. Although your switch employs store-and-forward as the

default, you can also choose cut-through.

Store-and-forward Store-and-forward means that your switch stores the entire packet and then

forwards it.

Store-and-forward switching, performed at the MAC layer, allows your

switch to temporarily store packets until network resources, typically a

congested port, are available. Frames which are incorrect, an invalid CRC for

example, are discarded. Store-and-forward switching, therefore, ensures data

integrity, thus preventing network error conditions from being generated

throughout the network.

Store-and-forward mode is implemented when packets are converted to cells

on each ATM transmission.

Cut-through In a cut-through system, the device starts to forward the incoming packet

while the packet is still being received on the inbound link.

Cut-through switching requires software that can both look at the start of the

packet and determine which outbound link is to be used to forward the

packet. Cut-through does not check for errors before forwarding a packet.

Bridging

Your switch operates as a transparent bridge to the Ethernet ports. As such,

it learns the source Media Access Control (MAC) addresses of all incoming

packets and ages out devices which have not been heard for a user or default

speciﬁed period of time.

The switch maintains a forwarding table with a maximum storage capacity of

2,048 MAC address. These Ethernet addresses are associated with all of the

devices that have been detected recently.

Your switch checks all incoming packets from each port for their destination

address against a Bridge Address Table. If a packet’s destination address is

not on the same network segment as the originating packet, the switch

forwards the packet to the network segment associated with that destination

address. However, if the packet’s source and destination address are on the

same network segment, known as local trafﬁc, the packet is automatically

discarded (ignored) or ﬁltered.

Bridge Address

Table The switch creates and maintains a dynamic database of addresses which are

stored in a Bridge Address Table. Port information entries in the Bridge

Address Table are, in turn, used as a basis from which to compare and

examine every packet to determine its source address, segment origin and

port information.

AT-S7/AT-S9 Operations Manual

If a packet’s MAC address is not already stored in the Bridge Address Table,

the switch adds the learned address, the associated port number and a timer

value that indicates the age of the dynamic Bridge Address Table entry.

Consequently, the switch knows the address and associated port number the

next time it sees that address. By using the information stored in the Bridge

Address Table, the switch is able to quickly forward each packet to the

correct port.

The switch learns addresses from all packets. When devices are added to the

network, removed from it, or relocated, you do not have to reconﬁgure your

switch. Your switch automatically learns all addresses.

An address stored in the Bridge Address Table is discarded if there is no

activity from that address after a conﬁgured length of time (the default is ﬁve

minutes). This aging process ensures that the Bridge Address Table is not

only continually updated but only includes current entries.

Each entry which is automatically entered (a dynamic entry) includes:

❑An Ethernet MAC address

❑The port number of the LAN on which the address resides

❑The age of the entry

Product Description

Chapter 2

Getting Started

A completely functional ATM network requires the successful integration of

several disparate units:

An AT-4016TR or AT-4016F Ethernet-to-ATM switch, or

An AT-TS95TR Ethernet-to-ATM switch

ATI’s Omega management software

An optional ATM-to-ATM Switch

Getting started involves the following sequence:

1. Omega management software.

Your switch is controlled by ATI’s Omega management software through

a terminal, a terminal emulator or a Telnet session.

2. Unique information.

Each switch can be assigned a unique name, location and contact

administrator.

3. Password.

Password protection is available if network security is required. The

default, of course, does not require a password.

4. ATM configuration.

ATM connectivity requires ATM address coordination between the

switch’s ATM port and an ATM switch.

Getting Started

Getting Started — Omega

Your switch can operate either stand-alone when the backbone port is not

connected to an ATM network — or as an Ethernet switch/ATM Emulated

LAN when the backbone port is connected to an ATM network and

functioning.

To be an operational, stand-alone Ethernet switch, your switch does not

require management (ATI’s Omega, for example) — or any other network

management application. Simply attach your devices to the RJ45 ports, apply

power and you have a working switch.

Main Menu

ATI’s Omega management software is pre-installed and operational when

power is applied to the switch. Conﬁguring Omega depends, however, upon

the requirements of your particular environment.

Omega management enables you to access and conﬁgure your ELANs and your

switch.

Omega’s Main menu enables you to access the submenus that are needed to

conﬁgure your Ethernet and ATM network.

The following menus are used to either view ATM statistics or conﬁgure your

ELAN:

❑Cell statistics - This menu enables you to view ATM cell transmit and

receive statistics as well as Loss of Frame and Sync Events.

❑Virtual circuit information - This menu enables you to view active VCI

information and statistics. The VCI number, name and type are listed

in this menu. You can view specific VCI statistics in a submenu.

❑LAN emulation - The Lan emulation menu enables you to access four

ELAN configuration or definition submenus.

AT-S7/AT-S9 Operations Manual

The Main Menu of the AT-4016F switch is shown below. The AT-TS95TR

Main Menu would be identical except for the header.

NOTE

The use of the Port, Frame, and Error statistics submenus are specifically associated

with Ethernet functionality and discussed in Chapter 4, System Administration. Since

they are not used to actually configure an ELAN, they will not be presented here.

From the Main menu you may select any of the following submenus:

❑Port status - refer to the section “Port Status” on page 45

❑Frame statistics - refer to the section “Frame Statistics” on page 63

❑Error statistics - refer to the section “Error Statistics” on page 67

❑Cell statistics - refer to the section “Cell Statistics” on page 69

❑Virtual circuit information - refer to the section “Virtual Circuit

Information” on page 38

❑System administration - refer to the section “System

Administration Menu” on page 12

❑LAN emulation- refer to the section “LAN Emulation Menu” on

page 22

❑MAC Address Table - refer to the section “MAC Address Table” on

page 40

Getting Started

The parameter changes noted below require the system to be reset before

they are recognized.

System Administration Menu

1. Connect the serial port of your terminal or PC to the RS232 console port

located on the front panel. For a PC connection, use a standard 9-pin serial

cable.

2. Access your terminal, or use the terminal emulator program in Microsoft

Windows.

3. Press the <RETURN> key several times. This will ensure auto configuration

of the appropriate baud rate.

4. From the Main Menu, open Omega’s System Administration

submenu by entering the letter S.

NOTE

You do not need to configure Omega if your default terminal is as follows: Data

bits: 8, Stop bits: 1, Parity: 0, Connector: Com1/Com2 (PC/terminal dependent)

Ethernet Parameters ATM Parameters

Store and Forward Sonet

Cut-Through SDH

Collision is Indicated on Amber Internal clocking LED

Transmit is Indicated on Amber External (loop) clocking LED

Unassigned cells idle cells

AT-S7/AT-S9 Operations Manual

System Name

From the System Administration submenu, enter the letter S for

System name to access the following submenu. This menu can be used to

enter or change the name of your switch.

You may enter a new name, up to 20 characters in length, or press RETURN to

keep the existing symbolic name. To delete an existing name, enter one or

more space characters (blanks) and then press RETURN.

NOTE

For PVC configurations, it may be helpful to make the system name and ATM

address the same.

Getting Started

Password,

Timeout To assign or change the password or timeout value, return to the System

Administration submenu and enter the letter P for the

Password, timeout submenu:

Password. Password protection restricts unauthorized access to Omega

management. This is a very different type of password protection than

“Download Password” which is found within the IP parameters

submenu which is discussed later. If you choose to use password protection,

the management agent prompts for the password when each new session

begins.

NOTE

The default does not have a password.

You may enter a new password, up to 32 characters in length, or just press

<RETURN> to keep the existing password if there is one. (The screen does not

display your password as you type it; a series of asterisks appears instead.)

To delete your current password, press the spacebar one or more times and

then press <RETURN>.

Timeout. Your switch allows one management session at a time. If a timeout

value is entered, then the Omega session will end when there has been no

activity on the system for the length of time speciﬁed.

Timeout may be useful to avoid connection problems due to multiple sessions

(for example, you may start a local session and not exit the system before

attempting a Telnet session later). Note that timeout will also affect the

activity monitor.

AT-S7/AT-S9 Operations Manual

The timeout option will automatically end the session if there is no activity

for the length of time speciﬁed (in minutes). That is, if a password timeout

value is entered the activity monitor will only run until the timeout time is

reached. The default Ø disables the timeout function.

Remember, if a switch is in session there is no access until the session is

terminated.

A session is terminated in any of three ways:

1. Timeout

2. Rebooting

3. Normal session termination using the Quit option.

Press <RETURN> for the Timeout screen.

Getting Started

IP Parameters

Menu From the Main menu, enter the letter S to reaccess the System

administration submenu:

Enter the letter I for IP parameters to access the following submenu:

AT-S7/AT-S9 Operations Manual

A complete discussion of the parameters on this screen is contained in

Chapter 3, Ethernet Administration, and will not, therefore, be presented

here. On the other hand, the following two parameters are required to initiate

a remote network or to download software to switches which have a password

initiated.

Setting an IP Address for Telnet. Telnet requires a conﬁgured IP

Address! That is, remote communications with the switch require the use of

the Transmission Control Protocol/Internet Protocol (TCP/IP) suite. Please

refer to Chapter 3 for a discussion of the IP conﬁguration process.

Download Password. Download password is used with TFTP commands

to download software from your switch to other switches in your network.

Download password is not associated with the password used for Omega

management.

If you change the password, ensure that you conﬁgure the same download

password for all of the switches that are to be downloaded. That is, the switch

downloading the software and the switches receiving the software must use

the same password. In short, when you use TFTP, the ﬁle name for the switch

must be the same as the downloaded password.

The process is as follows: enter the password for the hubs to be downloaded.

For example, if the current download password is ATS7 (all uppercase) then,

upon entering the command H, you will be asked “Please enter a new string,

or <RETURN> to retain the existing one.”

Please refer to Appendix A for a discussion of TFTP and how the download

password is used.

Getting Started

Getting Started — ATM

As stated earlier, this release provides Ethernet to ATM connectivity

through ATM Permanent Virtual Circuits (PVCs). This means that each

switch must have a PVC link between itself and any other switch. Figure 6

shows a typical ATM PVC network topology.

This conﬁguration allows any device connected to any switch to communicate

with any other device — assuming that each device is in the same Emulated

LAN. Note that it is not necessary for every unit to be interconnected to

every other one. Only units that have devices which need to communicate

need to be connected.

Figure 6: ATM PVC Topology

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLYALARMS NETWORK LOADATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLY

ALARMS NETWORK LOAD

ATM PORT

Ethernet Switch with ATM Access

PCMCIA RS-232 POWER SUPPLYALARMS NETWORK LOADATM PORT



ATM

Network

PVC Connections

ATM

Switch

ATM

Switch

ATM

Switch

ATM

Switch ATM

Switch

Physical Network

Single physical link

with multiple PVCs

Getting Started

From the System Administration submenu enter the letters AT for ATM

parameters to access the following submenu:

This submenu enables you to determine the values that regulate your ATM

network. The top part of the display shows the current values.

The following variables can be conﬁgured:

Sonet/SDH Two options are available for the Fiber Optic ATM interface: Synchronous

Optical Network (SONET) STS-3c-type framing (which is more common in

North America) and Synchronous Digital Hierarchy (SDH-1) framing (which

is more common in other countries). The default is SONET. Whichever option

you choose should remain consistent throughout the entire network.

Clocking The options are either Internal or External. Since the clock signal is normally

supplied by the ATM switch itself, the default is External (loop). Only one

switch in the network should provide clocking.

Cells The ATM speciﬁcation requires the station to transmit null cells during

periods without trafﬁc. This parameter determines whether these null cells

are either Idle or Unassigned. The default is Unassigned cells and will be

displayed within the Cell statistics submenu.

AT-S7/AT-S9 Operations Manual

ATM Address ATM addresses are used as a means to identify devices and to communicate

between them.

This software release allows non-standard ATM addresses. This means that

an ATM address may consist of any user-determined arbitrary numerical

designation.

Normally, an ATM address consists of a network preﬁx, a MAC address and a

selector byte.

[network preﬁx] [MAC address] [selector byte]

VPI Like traditional LAN packets, ATM cells contain addressing information.

Rather than addressing cells to speciﬁc destination devices, ATM cells are

addressed to Virtual Channels (VCs) and Virtual Paths (VPs).

Ensure that the VIP is set to zero (Ø) in the ATM parameters option within

the System Administration Menu. Ø is the only VPI that is supported at this

time.

Speciﬁcally, a Virtual Path Identiﬁer (VPI) is a grouping of a number of

Virtual Channels. It consists of the 8-bit number in an ATM cell header which

identiﬁes the speciﬁc virtual path that the cell is traversing in the current

physical circuit.

The switch’s connection management entity uses VCI and VPI to output

tables. Since the connections in the table are established manually through

network management or remote communications, the channels are called

Permanent Virtual Circuits (PVCs).

Getting Started

The VPI screen is shown below and is accessed, of course, from the System

Administration submenu.

To use the LAN emulation capabilities of ATM, you establish logical identities

for LANs, paths, channels, and MAC-addressed nodes on your network(s).

Virtual Path Identifier. The Virtual Path Identiﬁer (VPI) for the

AT-TS95TR is set in the LAN Emulation menu (PVC deﬁnitions).

Virtual Channel Identifiers. Virtual Channel Identiﬁers (VCIs) are also

deﬁned in the LAN Emulation menu (PVC deﬁnitions). There are 992 VCIs

available between 32 and 1,024 (VCIs between 1 and 31 have been reserved

for ATM management cell purposes). These are used by ATM in the cell

header to direct packets to their correct destinations. (You can also use the

LAN Emulation menu to assign ELAN membership to nodes.)

LAN Emulation Menu

This release implements multiple Emulated LANs. Although each switch can

support up to 64 Emulated LANs, each Emulated LAN requires its own PVC

between units.

Use the LAN Emulation menu to set up Emulated LANs as follows:

1. Ensure that the VPI is set to zero (Ø) in the ATM parameters option

within the System Administration Menu (Ø is the only VPI that is

supported at this time).

Once the ATM parameters are established, you are ready to configure

Emulated LANs.

AT-S7/AT-S9 Operations Manual

Choose LAN Emulation from the Main Menu.

NOTE

You should plan which devices should be included in an ELAN since, as you

may recall, there is no communication between ELANs without ATM routing.

Emulated LAN

Deﬁnitions

Submenu

The Emulated LAN definitions option provides you with a list of ELAN names

that you have deﬁned.

AT-S7/AT-S9 Operations Manual

By default, all devices on a port are in the same ELAN, but you can override

membership assignments for individual devices on a port. See “MAC Address

to ELAN Conﬁguration Submenu” on page 28.

NOTE

Ensure that the management workstation remains on the same ELAN as the

management client port, Port 17. Otherwise you will lose contact with the

switch via Telnet. If you lose contact, either Telnet in from a station on the

management port’s ELAN, or initiate an Omega local session and reassign the

management station’s port to be on the same ELAN as Port 17.

To make ELAN assignments by port:

Enter po to select the Port to ELAN Configuration submenu.

The Emulated LAN column lists the ELAN that is presently conﬁgured to each port.

The Type column contains a user deﬁned keyword to conﬁgure the port.

There are normally two keywords used:

❑MAC - If you select MAC, the MAC address defined in the MAC

address to ELAN conﬁguration menu is used to determine ELAN

membership for a device. This is the default method for assignment of

devices to ELANs. If a device’s MAC address is not explicitly

assigned to an ELAN, it is a member of the port’s ELAN.

❑FIXED - If you choose Fixed ELAN, all devices on the port join the

port’s designated ELAN regardless of individual device assignments.

The MAC address of the device is ignored.

Getting Started

Select a port by typing its number listed on the left of the screen. Port 1 was

selected in this example.

On the ELAN configuration screen for the selected port, you can change the

method the switch uses to assign ELAN membership to network devices.

Choose either M for “MAC address determines ELAN; default is port’s

ELAN” or F for “Fixed ELAN: all devices on this port forced to port’s

ELAN.”

AT-S7/AT-S9 Operations Manual

Port to ELAN Configuration Submenu AT-S9

The Port to ELAN Conﬁguration option enables you view the ELAN name and type

of port conﬁguration associated with each port on your switch.

This screen displays each of the eight (8) actual AT-TS95TR UTP ports as

well as the logically deﬁned management port.

By default, all devices on a port are in the same ELAN, but you can override

membership assignments for individual devices on a port.

To make ELAN assignments by port:

Enter po to select the Port to ELAN Configuration submenu.

The Emulated LAN column lists the ELAN that is presently conﬁgured to each port.

The Type column contains a user deﬁned keyword to conﬁgure the port. There are

normally three keywords used:

❑MAC - If you select MAC, the MAC address defined in the MAC

address to ELAN conﬁguration menu is used to determine ELAN

membership for a device. This is the default method for assignment of

devices to ELANs. If a device’s MAC address is not explicitly

assigned to an ELAN, it is a member of the port’s ELAN.

❑FIXED - If you choose Fixed ELAN, all devices on the port join the

port’s designated ELAN regardless of individual device assignments.

The MAC address of the device is ignored.

Getting Started

Select a port by typing its number listed on the left of the screen. Port 9 was

selected in this example.

On the ELAN configuration screen for the selected port, you can change the

method the switch uses to assign ELAN membership to network devices.

Choose either M for “MAC address determines ELAN; default is port’s

ELAN” or F for “Fixed ELAN: all devices on this port forced to port’s

ELAN.”

MAC Address to ELAN Configuration Submenu

Once you have made port-to-ELAN membership assignments, you can assign

up to 128 MAC addresses to membership in an ELAN by selecting MAC

address to ELAN Configuration from the LAN Emulation Menu. If you do

not provide an entry for a given device in the MAC address to ELAN

conﬁguration table, its ELAN membership is the same as the membership of

the port.

NOTE

Designating a port’s Type as Fixed on the Port to ELAN Configuration

menu overrides the individual device assignments in the MAC address to

ELAN Configuration.

AT-S7/AT-S9 Operations Manual

To assign ELAN membership to an individual device:

1. Enter M to select the MAC address to ELAN Configuration submenu.

2. The final screen would look similar to the following. The difference would

only consist of at least 128 possible MAC addresses:

Getting Started

3. Select a row in the table by typing its number listed on the left of the

screen.

Enter M to select MAC address and type in the MAC address for the device

you wish to assign to an ELAN and press <RETURN>.

AT-S7/AT-S9 Operations Manual

4. Enter E to select the Emulated LAN, type in the number of the ELAN you

wish to assign the device to and press <RETURN>.

PVC Definitions Submenu

The PVC definitions menu shows the current conﬁguration of the

Permanent Virtual Connections (PVCs).

To Conﬁgure a PVC You can add or modify PVC conﬁgurations by overwriting the entries in the

table. But ﬁrst, there are four things you need to consider (and conﬁgure) in

order to set up your PVCs.

1. Determine your ATM Addresses — First, you need to define the ATM

address of the AT-4016 or AT-TS95TR you are configuring. Next, you

must determine the ATM addresses of all devices which will be attached.

To set the address, access the ATM parameters option within the

System Administration submenu. The AT-4016/AT-TS-95TR

uses this address to identify itself when communicating with other

devices. You will need to know this address in order to enable other

devices to access your system. It can be any number.

2. Define your ELAN — If you wish to use the Default ELAN (ELAN #1)

there is nothing for you to do. If, however, you are using more than one

ELAN, or you do not wish to use the Default ELAN, you must define all

new ELANs by assigning them a name.

Getting Started

If you need multiple ELANs, or do not use the default ELAN, you

must define an ELAN name and associate it with a number. To define

your ELAN, access the Emulated LAN Definition option within

the Main Menu. Choose the number and the name you wish to use.

3. Decide which ports (or MAC addresses) will be assigned to which ELANs.

Access the Port to ELAN Configuration submenu within the

LAN Emulation Menu to set the ELANs you would like to be

enabled on each port. By default all ports belong to ELAN 1 which is

named the “Default ELAN”.

4. Define your PVCs (up to 128 PVCs can be configured). Access the PVC

Definitions submenu within the LAN Emulation Menu.

VCI — Virtual Circuit Identifier. While you can use Virtual Circuit

Identifiers between 1 and 1,024, VCIs between 1 and 31 have been

reserved for ATM management cell purposes and are not available for

use. Further, the VCI number must be the same on each of the

switches which make up the point-to-point connection.

ATM Address — This is the ATM address of the device this PVC is

going to connect to.

VPI — Virtual Path Identifier. Accessed within the ATM

Parameters submenu within the System Administration

Menu, it must be 0 in this release.

ELAN Number — Pick the correct number of the ELAN you want

this PVC to be a member of, or use the default (Default ELAN).

The above processes can be shown in the following screens:

1. Enter PV for PVC definitions from the LAN Emulation Menu.

AT-S7/AT-S9 Operations Manual

NOTE

It is best to record each configuration option. This will prevent mistakes when

you configure other device.

2. Select a PVC by typing its number listed on the left of the screen. The

configuration screen for the selected PVC shows the options you must

specify in order to set up a PVC.

3. Choose v for VCI, a for ATM Address, e for ELAN Number, or d to delete the

PVC definition.

Getting Started

VCI. If you choose VCI, the system displays the current value.

You can enter a new number to change the VCI for that particular PVC.

NOTE

While you can use Virtual Circuit Identifiers (VCIs) between 1 and 1,024,

VCIs between 1 and 31 have been reserved for ATM management cell

purposes and are not available for use. Further, the VCI number must be the

same on each of the switches which make up the point-to-point connection.

AT-S7/AT-S9 Operations Manual

ATM Address. The ATM address entered here is the one for the remote

system (on the far end of this PVC). It must be unique within this AT-4016.

ELAN ID. If you choose ELAN ID from the PVC Conﬁguration Menu, you can

specify or change which Emulated LAN is associated with the PVC.

Getting Started

Status And Statistical Menus

Status and statistical menus are accessible from the Main menu.

NOTE

The use of the Port, Frame, and Error statistics submenus are specifically associated

with Ethernet functionality and discussed in Chapter 3, System Administration. Since

they are not used to actually configure an ELAN, they will not be presented here.

The following additional menus are used to either view ELAN statistics or

conﬁgure your ELAN:

❑Cell statistics - This menu enables you to view ATM cell transmit and

receive statistics as well as Loss of Frame and Sync Events

❑Virtual circuit information - This menu enables you to view active VCI

information and statistics. The VCI number, name and type are listed

in this menu. You can view specific VCI statistics in this submenu

❑MAC Address Table - This menu displays all MAC addresses that

have been learned and stored in the bridge ﬁlter table

AT-S7/AT-S9 Operations Manual

Cell Statistics Menu

The Cell Statistics menu enables you to view ATM cell transmit and receive

statistics as well as Loss of Frame and Sync events. Fields in this menu cannot

be conﬁgured.

From the Main menu, access the Cell statistics submenu.

Getting Started

Virtual Circuit Information

The Virtual Circuit Information (VCI) submenu enables you to view VCI statistics for

each active VCI. VCI is the 16-bit number in an ATM cell header which

identiﬁes the speciﬁc virtual channel on which the cell is traversing on the

current physical circuit.

If you select CR, you will view all active VCIs on the network as well as data

information on each. Fields in this menu cannot be conﬁgured.

NOTE

Both the AT-S7 and AT-S9 use a VCI which has been defined as LANE-All.

From the Main menu, access the Virtual Circuit Information

submenu.

This menu provides the following information:

❑Active VCIs - All active Virtual Channel Identifier connections

associated with this switch are listed in this column.

❑Type - The type of VCI connection is listed in this column.

❑ELAN - The name of the ELAN associated with this VCI is listed in this

column.

To view additional VCI information in the VCI Statistics Menu, enter an active VCI

number and press return.

AT-S7/AT-S9 Operations Manual

This menu displays statistics for the VCI you speciﬁed. Again, Fields in this menu

cannot be conﬁgured.

This VCI Statistics menu provides the following information:

❑Received AAL5 Frames - The total number of AAL5 frames received by this

switch from the specified VCI

❑Received Frame Errors - The total number of frame errors received by this

switch from the specified VCI

❑Received Bytes - The total number of bytes received by this switch from the

specified VCI

❑Transmitted AAL5 Frames - The total number of AAL5 frames transmitted

from this switch to the specified VCI

❑Transmitted Frame Errors - The total number of frame errors transmitted

from this switch to the specified VCI

❑Transmitted Bytes - The total number of bytes transmitted from this switch to

the specified VCI

NOTE

All switch statistics are reset by either selecting the Zero all statistics counters on the

entire system option from any statistics menu, by selecting Restart from the Main

Menu, or by disrupting power to the switch.

Getting Started

MAC Address Table

Selecting the MAC Address Table menu displays all of the MAC addresses

discovered by management software on the network. From this screen you

can determine all of the MAC addresses that are available, as well as the port

or VCI, status, age, VLAN number and name for each MAC address.

Chapter 3

Ethernet Administration

Accessing Omega

To start a session with the management agent, either:

1. Press the <RETURN> key twice on a PC connected to the RS232 port, or

2. If your switch has been assigned an IP address, use Telnet to access the

management agent.

A session begins when either of the above events occur. Once in session, the

management agent and the Statistical Database program are “locked” against

other session requests. This prevents unwanted simultaneous access to the

database.

If you have conﬁgured a password, the management agent will require it at

the beginning of the session. If you have misplaced the password, you can

unlock the management agent by inserting the optional AT-S7 PCMCIA card

into the PCMCIA port on the AT-4016 or by inserting the optional AT-S9

Firmware Cassette into the appropriate port on the AT-TS95TR.

Selecting Menu

Options When in session, the management agent offers a series of menus. You may

select from a variety of options to view statistics or control switch activities.

❑If the options are numbered, type the appropriate number and press

the <RETURN> key

❑If the options are not numbered, type enough of the option name to

distinguish it from the other options (usually only the first letter).

That is, type the letter(s) which are capitalized; e.g., P (for Port

Status) or F (for Frame statistics).

Except for Quit, choosing a menu usually leads to a submenu which, in turn,

usually leads to yet another submenu.

You can make a choice from the present menu or return to the previous menu

by pressing RETURN or ESC.

Ethernet Administration

Some of the submenus cannot ﬁt on a single screen. In this case follow the

instructions on the screen to obtain more information or to go to the next

page.

Password,

Timeout To assign or change the password or timeout value, return to the System

Administration submenu and enter the letter P for the

Password, timeout submenu:

Password. Password protection restricts unauthorized access to Omega

management. By default, there is no password. If you choose to use password

protection, the management agent prompts for the password when each new

session begins.

You may enter a new password, up to 32 characters in length, or just press

<RETURN> to keep the existing password if there is one. (The screen does not

display your password as you type it; a series of asterisks appears instead.)

To delete your current password, press the spacebar one or more times and

then press <RETURN>.

Timeout. Your switch allows one management session at a time. If a timeout

value is entered, then the Omega session will end when there has been no

activity on the system for the length of time speciﬁed.

Timeout may be useful to avoid connection problems due to multiple sessions

(for example, you may start a local session and not exit the system before

attempting a Telnet session later). Note that timeout will also affect the

activity monitor.

AT-S7/AT-S9 Operations Manual

Press <RETURN> for the Timeout screen.

The default, “0”, disables the timeout function.

TCP/IP

You must choose a protocol for your network: Is it to be a TCP/IP or a

nonTCP/IP network?

If you have many geographically dispersed subnetworks, each connected to

its own department concentrator, you may want to manage these multiple

switches remotely in a central-site conﬁguration. In this case, TCP/IP

network management may be optimum.

TCP/IP internet addresses consist of user assigned numbers which identify

members of the network. It normally has two ﬁelds: network number and

host number. TCP/IP addresses are expressed in the form of a.b.c.d., where

a,b,c and d are each in the 0-254 range. For example, it adheres to the

following notation: 192.136.118.3.

In a nonTCP/IP environment, all switches and devices can be identiﬁed by

either any name convention of your choice or by a Media Access Control

(MAC) address (also known as an Ethernet address) which is assigned and

integrated into each switch by the manufacturer. TCP/IP addresses are not

required for local switch management.

Ethernet Administration

To Conﬁgure a

TCP/IP Address You can conﬁgure the IP Address of the switch by connecting to the serial

port of the switch and bringing up Omega or by using a BootP server. The

local installation of an IP address requires either a DOS terminal or a

Terminal Emulator Program and a serial cable.

Local Installation. Attach your terminal or PC to the RS232 serial port.

Enable Omega using either a DOS terminal or the terminal emulator program

in Windows. Then enter a TCP/IP address for each device.

The path for the appropriate TCP/IP configuration proceeds through Omega’s

Main menu and System administration submenu to the option IP

parameters. Enter the IP address as indicated.

Note that all switches have to be either configured with, or without, an IP

address. They cannot be mixed! A switch with an IP address will not respond

to a Connect remote system query from a switch which does not have an

IP address configured.

BootP You may also use a BootP server to configure TCP/IP parameters.

At start-up, if an IP address has not been configured, then your switch will

transmit a BootP request packet to the server approximately every three

seconds until a response is received (up to a maximum of three request

attempts).

If a BootP response is not received, then the system will operate with a switch

name or MAC address.

If a BootP response is received, then the IP address, Subnet Mask, and/or

Gateway/Router address will be extracted from the response packet and used

to configure the system until the next power-on/reset.

BootP server file format differs from server to server. The switches expect a

packet containing an IP address, Subnet Mask, and Gateway address.

AT-S7/AT-S9 Operations Manual

Port Status The Main menu of Omega is shown below.

Choose Port Status by entering the letter P. The system will then display the

AT-4016 screen shown below. Note that the AT-TS95TR screen would only

have eight (8) ports.

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