Nortel L2TP - Manual

Nortel L2TP

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Table of Contents:

  • Page 2 – Trademarks
  • Page 3 – Bay Networks, Inc. Software License Agreement
  • Page 5 – Contents; Preface
  • Page 7 – Index
  • Page 9 – Figures
  • Page 11 – Tables
  • Page 13 – Before You Begin; and
  • Page 14 – Text Conventions; This guide uses the following text conventions:; bold text; italic text; show ip alerts; or; show ip routes
  • Page 15 – Acronyms
  • Page 16 – Bay Networks Technical Publications; The “CD ROMs” section lists available CDs.; How to Get Help; Or telephone the Bay Networks Technical Solutions Center at:
  • Page 17 – This chapter contains the following information:
  • Page 18 – L2TP Benefits; L2TP has several advantages:
  • Page 19 – The LAC brings down the tunnel for any one of the following reasons:; L2TP Sessions; To enable flow control, see
  • Page 20 – Components of an L2TP Network; Remote Host; This guide’s primary focus is on an L2TP network between a remote
  • Page 21 – Bay Networks L2TP Implementation
  • Page 22 – RADIUS Server; RADIUS User Authentication
  • Page 23 – Examples of L2TP Networks; shows an L2TP network that uses a LAC to connect to the LNS. The; L2TP Network Using a LAC; shows an L2TP network that uses a RAS to connect to the LNS. The; L2TP Network Using a RAS
  • Page 24 – L2TP Packet Encapsulation; shows how data is encapsulated for transmission over an L2TP; Packet Encapsulation Process
  • Page 25 – Making a Connection Across an L2TP Network; on
  • Page 26 – Security in an L2TP Network; Tunnel Authentication
  • Page 27 – The Bay Networks LNS has the following characteristics:
  • Page 28 – Tunnel Management
  • Page 29 – shows tunnel authentication.; Tunnel Authentication Control Messages
  • Page 30 – Chapter 3
  • Page 31 – RADIUS Accounting
  • Page 32 – Remote Router Configuration; Remote Router Dialing the LNS
  • Page 33 – Where to Go Next; Go to one of the following chapters for more information:
  • Page 35 – This chapter includes the following information:
  • Page 36 – Planning Considerations for an L2TP Network; Tunnel Authentication Passwords; RADIUS Server Information; Configure the RADIUS server with user names and domain names.
  • Page 37 – Preparing a Configuration File; To open the configuration file, complete the following tasks:
  • Page 39 – Enabling L2TP on an Existing PPP Interface
  • Page 41 – Enabling L2TP on an Existing Frame Relay Interface
  • Page 43 – Enabling L2TP on an Existing ATM Interface
  • Page 45 – Appendix A
  • Page 46 – Modifying the L2TP Protocol Configuration
  • Page 47 – Modifying RADIUS Server Information
  • Page 48 – Changing the LNS System Name; To change the LNS system name, complete the following tasks:
  • Page 49 – Modifying the Number of L2TP Sessions Permitted; For more information about L2TP sessions, see “
  • Page 50 – Keeping the Remote User’s Domain Name
  • Page 51 – Changing the Domain Name Delimiter; To change the delimiter, complete the following tasks:
  • Page 52 – Enabling Tunnel Authentication; For more information about tunnel authentication, see “
  • Page 53 – Modifying L2TP IP Interface Addresses; For more information about the L2TP IP interface, see “
  • Page 54 – Disabling RIP; To disable RIP, complete the following tasks:; Disabling L2TP; To disable L2TP on a slot, complete the following tasks:
  • Page 55 – Deleting L2TP from a PPP Interface; To delete L2TP from a PPP interface, complete the following tasks:
  • Page 56 – Deleting L2TP from a Frame Relay Interface
  • Page 57 – Deleting L2TP from an ATM Interface
  • Page 60 – set; L2TP Configuration List Window
  • Page 61 – Parameter: Enable L2TP; Disable; Parameter: Max L2TP Sessions; Options: 1 to 7 packets
  • Page 62 – Parameter: Maximum Retransmit; Options: 1 to 60 seconds
  • Page 63 – Options: 1 to 350 milliseconds; Parameter: LNS System Name; Options: The router’s system name or any name you specify; Parameter: RADIUS Primary Server IP Address; configured, Site Manager automatically supplies the address.
  • Page 64 – Parameter: RADIUS Primary Server Password
  • Page 65 – Parameter: Remove Domain Name; Parameter: Domain Name Delimiter
  • Page 66 – L2TP Tunnel Security Parameters; The L2TP Tunnel Security List window; L2TP Tunnel Security List Window; The parameter descriptions follow.
  • Page 67 – Parameter: Enable Tunnel Authentication; Parameter: Tunnel Authentication Password; Options: An alphanumeric string, up to a maximum of 40 characters
  • Page 68 – L2TP IP Interface Parameters; The L2TP IP Interface List window; L2TP IP Interface List Window
  • Page 69 – Parameter: L2TP IP Interface Address; Options: Any unique IP address; Parameter: Subnet Mask
  • Page 70 – Parameter: RIP Enable
  • Page 71 – Example 1: Remote PC Calling the Corporate Network; shows a sample L2TP network. In this network, note the following:
  • Page 72 – L2TP Network with PCs at the Remote Site; Configuring the Remote Hosts
  • Page 73 – Configuring the LACs and the TMS; Choose a WAN port for the slot you want as the LNS.
  • Page 74 – In the L2TP IP Interface window, enter the L2TP IP address.; These addresses are stored in the RADIUS server database.; Data Path Through the Network
  • Page 75 – Example 2: Remote Router Calling the Corporate Network; shows a network with two BayStackTM AN; L2TP Network with Routers at the Remote Site
  • Page 76 – Disable outbound authentication.; Configuring the PPP Interface; Select the PPP interface to the ISP network.; For more information about PPP, see Configuring PPP Services.
  • Page 77 – Common L2TP Network Problems and Solutions
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Part No. 303532-A Rev 00
October 1998

BayRS Version 13.00
Site Manager Software Version 7.00


Configuring
L2TP Services

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Summary

Page 2 - Trademarks

ii 303532-A Rev 00 4401 Great America Parkway 8 Federal Street Santa Clara, CA 95054 Billerica, MA 01821 Copyright © 1998 Bay Networks, Inc. All rights reserved. Printed in the USA. October 1998. The information in this document is subject to change without notice. The statements, configurations, te...

Page 3 - Bay Networks, Inc. Software License Agreement

303532-A Rev 00 iii Bay Networks, Inc. Software License Agreement NOTICE: Please carefully read this license agreement before copying or using the accompanying software or installing the hardware unit with pre-enabled software (each of which is referred to as “Software” in this Agreement). BY COPYIN...

Page 5 - Contents; Preface

303532-A Rev 00 v Contents Preface Before You Begin ............................................................................................................. xiii Text Conventions .............................................................................................................xiv Acr...

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