3Com 3C13636 Configuration Manual page 1199

3Com Router 3000 Ethernet Family
Configuration Guide
Chapter 1 VPN Overview .............................................................................................................. 1-1
1.1 VPN Overview.................................................................................................................... 1-1
1.1.1 Features of VPN...................................................................................................... 1-1
1.1.2 Benefits of VPN ....................................................................................................... 1-1
1.1.3 Structure of VPN Network ....................................................................................... 1-2
1.2 Fundamental Technology of VPN...................................................................................... 1-2
1.3 Classification of VPN ......................................................................................................... 1-5
Chapter 2 Configuration of L2TP ................................................................................................. 2-1
2.1 Introduction to L2TP Protocol ............................................................................................ 2-1
2.1.1 VPDN Overview ...................................................................................................... 2-1
2.1.2 Introduction to L2TP Protocol.................................................................................. 2-1
2.2 LAC Configuration.............................................................................................................. 2-6
2.2.1 Enabling L2TP......................................................................................................... 2-7
2.2.2 Creating L2TP Group .............................................................................................. 2-7
2.2.3 Setting Condition Triggering L2TP Tunnel Setup Request and LNS Address ....... 2-8
2.2.4 Setting Tunnel Name .............................................................................................. 2-8
2.2.5 Setting Tunnel Authentication and Password ......................................................... 2-9
2.2.6 Configuring AVP Hiding .......................................................................................... 2-9
2.2.7 Setting Hello Interval in Tunnel ............................................................................. 2-10
2.2.8 Setting Username, Password and Local User Authentication .............................. 2-10
2.2.9 Disconnecting an L2TP Connection...................................................................... 2-11
2.2.10 Setting Flow Control Function of Tunnel............................................................. 2-12
2.2.11 Setting the L2TP Session Idle-Timeout Timer .................................................... 2-12
2.2.12 Configuring the Tunnel-Hold Function of L2TP................................................... 2-13
2.2.13 Setting LAC to Function as Client ....................................................................... 2-13
2.3 LNS Configuration............................................................................................................ 2-15
2.3.1 Enabling L2TP....................................................................................................... 2-16
2.3.2 Enabling L2TP Multi-Instance Function ................................................................ 2-16
2.3.3 Creating L2TP Group ............................................................................................ 2-16
2.3.4 Creating Virtual Template ..................................................................................... 2-17
2.3.5 Setting Parameters for Call Receiving .................................................................. 2-17
2.3.6 Setting Tunnel Authentication and Password ....................................................... 2-18
2.3.7 Setting Transfer Mode of AVP Data...................................................................... 2-19
2.3.8 Setting Hello Interval in Tunnel ............................................................................. 2-19
2.3.9 Enabling Mandatory Local CHAP Authentication.................................................. 2-20
2.3.10 Forcing LCP to Re-negotiate............................................................................... 2-21
2.3.11 Setting Local Address and Assigning Address Pool ........................................... 2-21
2.3.12 Setting Username, Password and User Authentication...................................... 2-22
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