Juniper JUNOSE 11.1.X - BROADBAND ACCESS CONFIGURATION GUIDE 6-4-2010 Configuration Manual page 17

Part 3
Chapter 11
Chapter 12
Managing L2TP
L2TP Overview
L2TP Overview ............................................................................................335
L2TP Terminology .......................................................................................336
Implementing L2TP .....................................................................................337
Sequence of Events on the LAC ............................................................337
Sequence of Events on the LNS .............................................................338
Packet Fragmentation .................................................................................339
L2TP Platform Considerations .....................................................................340
L2TP Module Requirements ........................................................................340
ERX7xx Models, ERX14xx Models, and the ERX310 Router .................340
E120 Router and E320 Router ..............................................................341
Sessions and Tunnels Supported .................................................................341
L2TP References .........................................................................................342
Configuring an L2TP LAC
LAC Configuration Prerequisites ..................................................................343
Modifying L2TP LAC Default Settings for Managing Destinations, Tunnels,
and Sessions .........................................................................................344
Generating UDP Checksums in Packets to L2TP Peers .................................345
Specifying a Destruct Timeout for L2TP Tunnels and Sessions ....................345
Preventing Creation of New Destinations, Tunnels, and Sessions ................346
Preventing Creation of New Destinations, Tunnels, and Sessions on the
Router ............................................................................................346
Preventing Creation of New Tunnels and Sessions at a Destination ......347
Preventing Creation of New Sessions for a Tunnel ................................347
Specifying a Drain Timeout for a Disconnected Tunnel .........................347
Shutting Down Destinations, Tunnels, and Sessions ....................................348
Closing Existing and Preventing New Destinations, Tunnels, and Sessions
on the Router .................................................................................348
Closing Existing and Preventing New Tunnels and Sessions for a
Destination .....................................................................................348
Closing Existing and Preventing New Sessions in a Specific Tunnel ......348
Closing a Specific Session .....................................................................349
Specifying the Number of Retransmission Attempts ....................................349
Configuring Calling Number AVP Formats ...................................................349
Calling Number AVP 22 Configuration Tasks ........................................353
Configuring the Fallback Format ...........................................................354
Disabling the Calling Number AVP ........................................................357
Mapping a User Domain Name to an L2TP Tunnel Overview ......................358
Mapping User Domain Names to L2TP Tunnels from Domain Map Tunnel
Mode ....................................................................................................359
Mapping User Domain Names to L2TP Tunnels from Tunnel Group Tunnel
Mode ....................................................................................................363
Configuring the RX Speed on the LAC .........................................................365
Table of Contents
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Table of Contents