3Com Router User Manual

http://www.3com.com/
3Com Router 
Configuration Guide
Published March 2004 
Part No. 10014299 

3Com Corporation 350 Campus Drive 
Marlborough, MA 
01752-3064
Copyright © 2004, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced 
in any form or by any means or used to make any derivative work (such as translation, transformation, or 
adaptation) without written permission from 3Com Corporation.
3Com Corporation reserves the right to revise this documentation and to make changes in content from time 
to time without obligation on the part of 3Com Corporation to...

GETTING STARTED 1
SYSTEM MANAGEMENT 33
INTERFACE 121
LINK LAYER PROTOCOL 183
NETWORK PROTOCOL 335
ROUTING 423
MULTICAST 517
SECURITY 543 

VPN 615
RELIABILITY 665
QOS 681
DIAL-UP 721 

ABOUT THIS GUIDE
This guide describes 3Com routers and how to configure them.
ConventionsTa b l e 1 and Ta b l e 2 list conventions that are used throughout this guide.
Ta b l e 1   Notice Icons
Ta b l e 2   Text Conventions
IconNotice TypeDescription
Information noteInformation that describes important features or 
instructions.
CautionInformation that alerts you to potential loss of data 
or potential damage to an application, system, or 
device.
WarningInformation that alerts you to potential personal...

2ABOUT THIS GUIDE 

I
GETTING STARTED
Chapter 13Com Router Introduction
Chapter 23Com Router User Interface 

4 

1
3COM ROUTER INTRODUCTION
This chapter includes information on the following topics:
■Overview of the 3Com Router System
■Architecture of the 3Com Router
■Features of the 3Com Router Version 1.10
■New Features of the 3Com Router 1.x
Overview of the 3Com 
Router SystemThe 3Com Router OS is the network operating system platform. With TCP/IP 
protocol stack as the core, the 3Com Router integrates data communication 
essentials such as routing technology, multicast technology, QoS technology, VPN...

6CHAPTER 1: 3COM ROUTER INTRODUCTION
Figure 1   Schematic diagram of the 3Com Router architecture
Features of the 3Com 
Router Version 1.10 The following table lists the basic features of the 3Com Router 1.x:
Ta b l e 3   List of the 3Com Router 1.x features
System
service
TCP/UDP
IP forwarding engine
Fast
forwardingIP security
and firewallQoS
assurance
Route policy
management
RIP OSPF BGP
FTPHTTPTELNET
VPN
PPP/SLIP
Configuration
management
Voice Service
......
Command
line
SNMP
Web
management...