Nortel Networks L2TP manual Index-2

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LNS (continued) L2TP security, 1-10

modifying protocol configuration, 3-2 operating with LACs, 1-11

LNS System Name parameter, A-5

LNS system name, changing, 3-4

M

Max L2TP Sessions parameter, A-3

Maximum Retransmit parameter, A-4

P

packet encapsulation, L2TP, 1-8

parameters customizing, 3-1 descriptions, A-1

See also parameter names

password, RADIUS server description, 1-14setting, 3-3

password, tunnel authentication description, 1-12

setting, 3-8

product support, xvi

publications, Bay Networks, xvi

R

RADIUS Client IP Address parameter, A-6

RADIUS Primary Server IP Address parameter, A-5

RADIUS Primary Server Password parameter, A-6

RADIUS server

changing address and password, 3-3 description, 1-6

for user authentication, 1-14

Receive Window Size parameter, A-3

remote access server (RAS), 1-5

Remove Domain Name parameter, A-7

Retransmit Timer (seconds) parameter, A-4

RIP Enable parameter, A-12

router platforms for L2TP, 1-11

S

sessions, L2TP description, 1-3

modifying number permitted, 3-5Subnet Mask parameter, A-11support, Bay Networks, xvi

T

technical publications, xvi technical support, xvi text conventions, xiv TMS, description, 1-5, 1-12 troubleshooting network problems, C-1

tunnel authentication description, 1-12enabling, 3-8

Tunnel Authentication Password parameter, A-9 Tunnel Flow Control parameter, A-6

tunnel management server. See TMS tunnel, description, 1-2

U

user authentication, RADIUS, 1-14

V

virtual private network (VPN), description, 1-1

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Contents Configuring L2TP Services Copyright 1998 Bay Networks, Inc Bay Networks, Inc. Software License Agreement Rev Contents Chapter Starting L2TP Appendix B Configuration Examples Page Figures Page Tables Page Preface Before You BeginText Conventions Italic textAcronyms How to Get Help Bay Networks Technical PublicationsChapter L2TP Overview TopicWhat Is Tunneling? L2TP BenefitsL2TP Sessions Components of an L2TP Network Remote HostTunnel Management Server TMS L2TP Access Concentrator LACRemote Access Server RAS L2TP Network Server LNS Radius ServerL2TP Network Using a LAC Examples of L2TP NetworksL2TP Packet Encapsulation Packet Encapsulation ProcessMaking a Connection Across an L2TP Network Security in an L2TP Network Bay Networks L2TP Implementation Tunnel Authentication Tunnel ManagementShows tunnel authentication Radius User Authentication Radius Accounting L2TP IP Interface AddressesRemote Router Configuration Remote Router Dialing the LNSWhere to Go Next If you want to Go toPage Chapter Starting L2TP Radius Server Information Tunnel Authentication PasswordsPlanning Considerations for an L2TP Network Preparing a Configuration File Site Manager Procedure You do this System respondsTools Choose Configuration Manager Choose Local File , Remote File , orEnabling L2TP on an Unconfigured WAN Interface Subnet MaskChoose Add/Delete Enabling L2TP on an Existing PPP InterfaceChoose Edit Circuit Configuring L2TP Services Enabling L2TP on an Existing Frame Relay Interface Configuration is completed Site Manager Procedure Enabling L2TP on an Existing ATM InterfaceYou do this System responds Choose Group ProtocolsChoose Service Attributes Choose ProtocolsChapter Customizing L2TP Services Modifying the L2TP Protocol Configuration Choose L2TP ConfigurationModifying Radius Server Information Radius Server onChanging the LNS System Name Modifying the Number of L2TP Sessions Permitted Keeping the Remote User’s Domain Name Set the Remove Domain NameChanging the Domain Name Delimiter Set the Domain Name DelimiterEnabling Tunnel Authentication Choose Tunnel AuthenticationModifying L2TP IP Interface Addresses Choose L2TP IP InterfaceDisabling RIP Disabling L2TPCustomizing L2TP Services Deleting L2TP from a PPP InterfaceDeleting L2TP from a Frame Relay Interface Deleting L2TP from an ATM Interface Site Manager Procedure Appendix a L2TP Parameters TopicL2TP Configuration Parameters Figure A-1. L2TP Configuration List WindowParameter Receive Window Size Parameter Enable L2TPParameter Max L2TP Sessions Parameter Maximum Retransmit Parameter Retransmit Timer secondsParameter Hello Timer seconds Parameter Radius Primary Server IP Address Parameter Ack Timeout millisecondsParameter LNS System Name Parameter Tunnel Flow Control Parameter Radius Primary Server PasswordParameter Radius Client IP Address Parameter Remove Domain Name Parameter Domain Name DelimiterL2TP Tunnel Security Parameters Figure A-2. L2TP Tunnel Security List WindowParameter Enable Tunnel Authentication Parameter Tunnel Authentication PasswordL2TP IP Interface Parameters Figure A-3. L2TP IP Interface List WindowParameter L2TP IP Interface Address Parameter Subnet MaskParameter RIP Enable Appendix B Configuration Examples Example 1 Remote PC Calling the Corporate NetworkConfiguring the Remote Hosts Figure B-1. L2TP Network with PCs at the Remote SiteConfiguring the LACs and the TMS Configuring the LNSDomain name baynetworks.com Parameter Name Value IP Address 192.32.16.55Data Path Through the Network L2TP IP Interface window, enter the L2TP IP addressExample 2 Remote Router Calling the Corporate Network Figure B-2. L2TP Network with Routers at the Remote SiteParameter Name Value RFC1661 Compliance Enable Configuring the Dial-on-Demand CircuitConfiguring the PPP Interface Appendix C Troubleshooting Problem What to DoTable C-1 Common L2TP Network Problems and Solutions Index L2TPIndex-2