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Checking for Correct Operation of LEDs 25
Connecting a Redundant Power Supply 25
Choosing the Correct Cables 26
SFP Operation 27
Approved SFP Transceivers 27
Inserting an SFP Transceiver 27
Removing an SFP Transceiver 29
3 SETTING UP FOR MANAGEMENT
Setting Up Overview 32
IP Configuration 33
Preparing for Management 34
Manually Configuring IP Information 35
Connecting to the Console Port 35
Viewing Automatically Configured IP Information 38
Using 3Com Network Supervisor 38
Connecting to the Console Port 38
Methods of Managing a Switch 41
Command Line Interface Management 41
Web Interface Management 42
SNMP Management 42
Setting Up Command Line Interface Management 42
CLI Management via the Console Port 43
CLI Management over the Network 43
Setting Up Web Interface Management 44
Pre-requisites 44
Web Management Over the Network 45
Setting Up SNMP Management 45
Pre-requisites 45
Default Users and Passwords 46
Changing Default Passwords 46
4 PROBLEM SOLVING
Solving Problems Indicated by LEDs 48
Solving Hardware Problems 49
Solving Communication Problems 51
Solving Software Upgrade Problems 53
DUA1745-0AAA02.book Page 4 Monday, August 9, 2004 11:51 AM