Cabletron Systems NB30 Manuale utente

NB30/LM

LOCAL MANAGEMENT

FORTHE CABLETRON SYSTEMS

NB30 BRIDGE

USER’S MANUAL

CABLETRON SYSTEMS, P.O. BOX 5005, ROCHESTER, NH 03867-5005

NOTICE

Cabletron Systems reserves the right to make changes in speciﬁcations

and other information contained in this document without prior notice.

The reader should in all cases consult Cabletron Systems to determine

whether any such changes have been made.

The hardware, ﬁrmware, or software described in this manual is subject to

change without notice.

IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR

ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL

DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED TO

LOST PROFITS) ARISING OUT OF OR RELATED TO THIS

MANUAL OR THE INFORMATION CONTAINED IN IT, EVEN IF

CABLETRON SYSTEMS HAS BEEN ADVISED OF, KNOWN, OR

SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAGES.

Cabletron Systems Inc.

P.O. Box 5005, Rochester, NH 03867-5005

Printed in the United States of America

Order Number: 9030290 June 91

NB30/LMm NB30, SPIM-T, SPIM-T1, SPIM-F1, SPIM,F2, SPIM-C,

and

SPIM-A

are trademarks of Cabletron Systems Inc.

DEC

LAN Bridge 100,

and

are trademarks of Digital Equipment

Corporation.

Prime

is a trademark of Prime Computer.

TransLAN

is a registered trademark of Vitalink Communications

Corporation.

NOTICE

iii

CONTENTS

CHAPTER 1 INTRODUCTION

1.1 USING THIS MANUAL................................................................1-1

1.2 GETTING HELP..........................................................................1-2

1.3 NB30/LM LOCAL MANAGEMENT FOR THE CABLETRON

SYSTEMS NB30 .........................................................................1-2

1.4 RELATED MANUALS..................................................................1-3

CHAPTER 2 GETTING STARTED

2.1 TERMINAL CONFIGURATION...................................................2-1

2.1.1 VT200 or 300 Series Setup ............................................2-1

2.1.2 Prime 200 Series Setup..................................................2-2

2.2 CABLE CONFIGURATION..........................................................2-3

2.2.1 VT 200 or 300 Series......................................................2-3

2.2.2 Prime 200 Series ............................................................2-4

2.3 ACCESSING LOCAL MANAGEMENT........................................2-4

CHAPTER 3 USING LOCAL MANAGEMENT

FORTHE NB30

3.1 GENERAL SCREEN INFORMATION.........................................3-1

3.2 GENERAL TIPS ..........................................................................3-2

3.3 LOCAL MANAGEMENT MENU TREE........................................3-2

CHAPTER 4 BRIDGE INFORMATION SCREEN

4.1 THE BRIDGE INFORMATION SCREEN ....................................4-1

4.1.1 Selecting the Ethernet Port.............................................4-2

4.1.2 Bridge Information Screen Fields ...................................4-2

4.2 AVAILABILITY OPTIONS............................................................4-7

CHAPTER 5 USING BRIDGE MANAGEMENT OPTIONS

5.1 THE SETUP OPTION..................................................................5-2

5.1.1 Setup Option Screen Fields............................................5-3

5.1.2 Editing the Setup Screen Fields .....................................5-5

5.1.3 The Change Password Option......................................5-10

5.1.4 The Port Setup Option..................................................5-10

5.1.4.1 Port Setup Screen Fields .............................5-12

5.1.4.2 Setting the Default Enet Port Option............5-15

5.1.4.3 Setting the redundancy Option.....................5-16

5.1.4.4 The DSX-1 Setup Option..............................5-18

CONTENTS

5.2 THE SAVE NAMES OPTION.....................................................5-21

5.3 THE PORT COUNTERS OPTION.............................................5-22

5.3.1 The Bridge Counters Screen.........................................5-23

5.3.1.1 Bridge Counters Screen Fields.....................5-24

5.3.2 The Network Errors Option............................................5-24

5.3.2.1 Network Errors Screen Fields.......................5-25

5.4 THE FILTERING DATABASE OPTION.....................................5-26

5.4.1 The Filtering Database Screen......................................5-28

5.4.1.1 Acquired and Permanent Database

Screen Fields................................................5-29

5.4.1.2 Editing the Dynamic Ageing Time Field........5-30

5.4.1.3 Editing the Type of Filtering Field .................5-30

5.4.1.4 The Create Entry Option...............................5-31

5.4.1.5 The Delete Entry Option ...............................5-33

5.4.1.6 The Display Entry Option..............................5-34

5.4.1.7 The Display Range Option............................5-36

5.4.2 The Special Database Option .......................................5-38

5.4.2.1 The Special Database Screen Fields............5-39

5.4.2.2 Adding Special Database Filters...................5-40

5.4.2.3 Deleting Special Database Filters.................5-42

5.4.2.4 Editing Special Database Filters...................5-43

5.5 THE BRIDGE PROTOCOL OPTION.........................................5-44

5.5.1 Bridge Protocol Parameters Screen..............................5-44

5.5.1.1 Bridge Protocol Parameters Screen Fields...5-45

5.5.1.2 Editing the Bridge Protocol Parameters

Screen Fields................................................5-47

5.5.2 The Port Parameters Option .........................................5-50

5.5.2.1 The Bridge Port Parameters Screen.............5-51

5.5.2.2 Bridge Port Parameters Screen Fields .........5-52

5.5.2.3 Editing the Bridge Port Parameters

Screen Fields................................................5-53

APPENDIX A ERROR MESSAGES

1-1

CHAPTER 1

INTRODUCTION

Welcome to Cabletron Systems'

NB30/LM - Local Management for the

Cabletron Systems NB30 User's Manual

. We have designed this

manual to serve as a simple reference guide for you to read through and

gain a full understanding of NB30/LMJM - Local Management for the

Cabletron Systems NB30M Bridge.

1.1 USINGTHIS MANUAL

Chapter 1,

Introduction

, discusses the different capabilities of Cabletron

Systems' NB30/LM - Local Management for the Cabletron Systems

NB30. The chapter also includes a list of related user manual s.

Chapter 2,

Getting

Started

, lists procedures for accessing Local

Management for the NB30. This chapter includes procedures for entering

the password and also lists the necessary terminal and cable

conﬁgurations for communicating with Local Management through the

console port on the NB30.

Chapter 3,

Using Local Management for Cabletron Systems' NB30

provides general screen information and general tips for using Local

Management for the NB30. A Menu Tree is included to help you get

around Local Management.

Chapter 4,

Bridge

Information

Screen

, discusses the Bridge Information

Screen ﬁelds and provides an overview of the options available at this

screen.

Chapter 5,

Using

Bridge

Management

Options

, describes in detail each

option available at the Bridge Information Screen. These options are:

Save Names, Port Counters, Filtering Database, Bridge Protocol, Setup,

and Exit. Step-by-step instructions on how to use these screens are

included, as well as a brief explanation of the ﬁelds appearing with each

option.

INTRODUCTION

1-2

This manual covers the 1.10.00 Bridge ﬁrmware version of Local

Management for the NB30.

We assume that you have a general working knowledge of Ethernet or

IEEE 802.3 type data communication networks and their physical layer

components.

1.2 GETTING HELP

If you need additional support related to Cabletron Systems' Local

Management for the NB30, or if you have any questions, comments, or

suggestions concerning this manual or any of our other networking

products, feel free to contact Cabletron Systems' Technical Support at:

Cabletron Systems

P.O. Box 5005

Rochester, NH 03867-5005

Phone: (603) 332-9400

1.3 NB30/LM LOCAL MANAGEMENT FORTHE

CABLETRON SYSTEMS NB30

Cabletron Systems' Local Management provides unique management and

control capabilities for the Cabletron Systems NB30. With Local

Management, you can monitor and ﬁne-tune the operation of your bridge

by isolating network trafﬁc and channeling it to its proper destination. At

the same time, you will improve your network performance.

Local Management provides the necessary management tools for your

NB30 to operate at its full capacity. With Local Management, an NB30

can be managed according to the speciﬁc needs of a network manager.

The network manager's ability to set up parameters within Local

Management ensures optimal performance for the NB30, and, hence,

each network.

For example, a network manager can monitor: the ﬂow of trafﬁc through

an NB30, the status of a database, the bridge protocol and port

parameters, and the bridge setup. The number of frames received at the

bridge is recorded as well as a breakdown of the frames’

INTRODUCTION

1-3

progress through the bridge, e.g., the frames discarded inbound or the

frames forwarded outbound. A breakdown of errors is provided allowing

the network manager to pinpoint potential problem areas in a network.

Bridge protocol and port parameters, related to the IEEE 802.1d Spanning

TreeAlgorithm, are provided so you can keep track of bridge activity and

cost. Certain parameters can be altered to accommodate a network's

particular requirements.

Local Management for the NB30 provides the network manager with the

necessary control to operate a bridge effectively. For instance, a network

manager can alter bridge setup, e.g., erase a database, disable or restart a

bridge, reset counters, or restore default settings.

If two SPIMs are installed in the NB30, Local Management allows you to

switch the SPIM that is communicating with the network or to set one of

the SPIMs to act as a redundant data path.

When one of the SPIMs is set as a redundant data path, parameters can be

set in Local Management so that the primary path will poll a repeater

module installed in an MMAC. If the repeater module in the MMAC does

not respond within a user deﬁned poll interval and the retry interval is

exceeded, the redundant data path will automatically pick up

communication. This feature ensures that communications between the

local Ethernet Network and an individual NB30 is always maintained.

With a DSX-1 Remote Port module installed in the NB30, you can

conﬁgure your T1 link connection and determine the status of the T1 link.

1.4 RELATED MANUALS

The following manuals should be used to supplement the procedures and

other technical data provided in this manual. The procedures contained in

these manuals will be referenced where appropriate, but will not be

repeated in this manual.

Cabletron Systems'

NB30 Remote Ethernet Bridge User's Manual

Cabletron Systems'

Local Management for the Cabletron Systems'

Bridges Change Password Feature Instruction Sheet

INTRODUCTION

1-4

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