3com DUA1860-0AAA01 manuali

3com DUA1860-0AAA01 Manuale del Proprietario (228 pagine)

Marchio: 3com | Categoria: Networking | Dimensione: 1.35 MB |

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Indice

Part No. DUA1860-0AAA01

1

Published November 1994

1

■ Santa Clara, California ■

2

How To Use This Guide

10

Conventions

11

Special Messages

12

Related Publications

13

NTRODUCTION

15

The LinkBuilder MSH

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Figure 1-2

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The Network Segments

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Figure 1-3

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The Module’s LEDs

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Managing The Bridge

21

Why Use A Bridge?

22

Local And Remote Bridges

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Bridge Network Topology

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Bridging 1-11

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Figure 1-9

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An Example Topology

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Figure 1-10 Frame Contents

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Bridging 1-13

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Figure 1-11

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An Example Network

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Figure 1-12

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Learns A, Passes On Packet

27

Bridging 1-15

29

Bridging 1-17

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Figure 1-16

31

Bridge Port Blocking

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, leading to quick

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Bridging 1-19

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Figure 1-18

33

Network Resilience

33

What Is Custom Filtering?

34

Bridge Filters 1-21

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Figure 1-19

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Figure 1-20

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Forwards Packet

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Figure 1-21 Filters Packet

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Filter Sets

37

Bridge Filters 1-25

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Figure 1-23

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Bridge Filters 1-27

41

Enabling Custom Filtering

43

Installation And Removal

45

The VT100 Bridge Screens

50

The VT100 Bridge Menu Map

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The VT100 Bridge Menu Map 2-7

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Bridge Control Keys

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Simple Bridge Configuration

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Figure 2-4

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LinkBuilder MSH Logon Screen

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Figure 2-6

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. If the bridge's

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Select MANAGE to continue

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Logging On To The Bridge

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Figure 2-9 Main Menu

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Figure 2-10

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Configuration Menu

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Account Number:

67

Accounts screen appears

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Adding Bridge Information

70

Figure 2-14 Bridge Reset

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Erasing All Changes

73

Logging Off The Bridge

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IP Address Configuration

75

Bridge Connections

76

Setting Up Remote Access

77

IP Address Configuration 2-33

79

Figure 2-17

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Static Routes

79

IP Address Configuration 2-35

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Figure 2-18 IP Host Table

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IP Address Configuration 2-37

83

IP Address Configuration 2-39

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Figure 2-19

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Ping Settings

85

Figure 2-20 Ping

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IP Address Configuration 2-41

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IP Address Configuration 2-43

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Figure 2-21

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Remote Connect

89

Figure 2-22 Chat

90

IP Address Configuration 2-45

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Figure 2-23

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Terminate Connection

91

Community Administration

92

SNMP Configuration 2-47

93

SNMP Configuration 2-49

95

Configuring Community Traps

97

SNMP Configuration 2-53

99

DUA1860-0AAA01

100

Spanning Tree Configuration

101

Custom Filter Configuration

101

Introduction

102

Figure 3-1

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Spanning Tree

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Figure 3-2 Port Settings

106

Figure 3-3 Host-to-Host

110

Figure 3-4

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Host-to-Port

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Figure 3-5 Port-to-Port

116

Figure 3-6 Multicast

118

Figure 3-7 Protocol Filters

120

Setting Up A Bit Filter

123

0 6 12 14

125

The Host Filtering Table

127

Figure 3-11 Filter Options

130

ONITORING

133

Checking Bridge Statistics

135

Learning

137

Checking Port Activity

140

Checking Port Activity 4-9

141

Listening

142

Checking Port Activity 4-11

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Viewing Ethernet Statistics

144

Checking User Access

148

Display Field. The number of

149

ONFIGURATION

151

General Help

152

Downloading Software Upgrades

153

Configuration 5-5

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Figure 5-3

155

Changing Download Parameters

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The Permanent Database

156

Configuration 5-7

157

Configuration 5-9

159

Figure 5-6

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Transfer Permanent Entries

159

Editing ARP Information

160

Configuration 5-11

161

Figure 5-8

161

Add ARP Entry

161

Changing TCP Characteristics

163

Configuration 5-15

165

Port Queuing

166

Monitoring

167

Figure 5-14

169

Note Table By Address

169

Link BAD

172

Viewing Socket Statistics

173

FIN_WAIT_1

175

LAST_ACK

175

FIN_WAIT_2

175

TIME_WAIT

175

Viewing UDP Statistics

176

Viewing UDP Statistics 5-27

177

Viewing TCP Information

178

Viewing UDP Statistics 5-29

179

Viewing UDP Statistics 5-31

181

Figure 5-20

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TCP Connection Statistics

181

Viewing IP Statistics

183

Viewing UDP Statistics 5-35

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Viewing UDP Statistics 5-37

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Viewing SNMP Information

189

Viewing UDP Statistics 5-41

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Viewing ARP Tables

193

Viewing UDP Statistics 5-45

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Figure 5-26

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Error Log

195

Viewing UDP Statistics 5-47

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Figure 5-28

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Clear Error Log

197

Spot Checks

200

Correcting Problems

202

Correcting Problems 6-5

203

Correcting Problems 6-7

205

Spares 6-9

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Figure 6-1

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The Location of the Fuse

207

What To Do Next

208

Figure A-1

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The Location Of The Link

209

ECHNICAL

211

NFORMATION

211

IETF Bridge MIB (RFC 1286)

212

Ask3Com on CompuServe

214

3Com Documentation on CD-ROM

215

Support from 3Com

216

Returning Products for Repair

217

Numerics

219

REQUENCY

225

NTERFERENCE

225

TATEMENTS

225

Information To The User

226

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