3Com 3812 Switch User Manual


 
Connecting a Redundant Power Supply (Switch 3848 only) 23
Choosing the Correct Cables 24
SFP Operation 25
Approved SFP Transceivers 25
Inserting an SFP Transceiver 25
Removing an SFP Transceiver 27
3 SETTING UP FOR MANAGEMENT
Setting Up Overview 30
IP Configuration 31
Preparing for Management 32
Manually Configuring IP Information 32
Connecting to the Console Port 32
Viewing Automatically Configured IP Information 36
Using 3Com Network Supervisor 36
Connecting to the Console Port 36
Methods of Managing a Switch 39
Command Line Interface Management 39
Web Interface Management 40
SNMP Management 40
Setting Up Command Line Interface Management 40
CLI Management via the Console Port 41
CLI Management over the Network 41
Setting Up Web Interface Management 42
Pre-requisites 42
Web Management Over the Network 43
Setting Up SNMP Management 43
Pre-requisites 43
Default Users and Passwords 44
Changing Default Passwords 44
4 PROBLEM SOLVING
Solving Problems Indicated by LEDs 46
Solving Hardware Problems 47
Solving Communication Problems 49
Solving Software Upgrade Problems 50
dua1740-0aaa03.book Page 4 Thursday, December 23, 2004 9:23 PM