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EMM-E6 User’s Guide

vii

TABLE OF CONTENTS

CHAPTER 1

INTRODUCTION

1.1

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

1.2

EMM-E6 FEATURES .......................................................... 1-4

1.3

THE MMAC WITH FLEXIBLE NETWORK BUS ................. 1-10

1.4

ETHERNET CHANNELS A, B, C, D, E, and F.................... 1-12
1.4.1

Ethernet Channel A ................................................ 1-12

1.4.2

Ethernet Channels B and C.................................... 1-13

1.4.3

Other FNB Modules................................................ 1-14

1.4.4

Ethernet Channel D................................................ 1-15

1.5

CHANNELS E AND F.......................................................... 1-16

1.6

BRIDGES ............................................................................ 1-17
1.6.1

Filtering and Forwarding......................................... 1-18

1.6.2

Spanning Tree Algorithm........................................ 1-19

1.7

LOCAL MANAGEMENT FEATURES.................................. 1-20

1.8

COMMUNITY NAMES ........................................................ 1-21

1.9

SNMP .................................................................................. 1-21
1.9.1

MIBs ....................................................................... 1-22

1.10

REVIEW OF ADDRESSING ............................................... 1-22
1.10.1 MAC Addresses ..................................................... 1-22
1.10.2 IP Addresses .......................................................... 1-23
1.10.3 Identifying IP Address Classes............................... 1-25
1.10.4 Subnet Addresses .................................................. 1-25
1.10.5 Subnet Masks......................................................... 1-26
1.10.6 Operation of the Subnet Mask................................ 1-30
1.10.7 Default Gateway..................................................... 1-30
1.10.8 Addressing Example .............................................. 1-31

1.11

LANVIEW LEDs AND RESET SWITCH.............................. 1-33

1.12

LANVIEWSECURE ............................................................. 1-33

1.13

GETTING HELP .................................................................. 1-35

1.14

RELATED MANUALS ......................................................... 1-35

CH1Book Page vii Wednesday, March 20, 1996 7:48 AM