Juniper JUNOSE SOFTWARE 11.2.X - BROADBAND ACCESS CONFIGURATION GUIDE 7-20-2010 Configuration Manual page 17

Chapter 12
Chapter 13
Copyright © 2010, Juniper Networks, Inc.
L2TP References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Configuring an L2TP LAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
LAC Configuration Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Modifying L2TP LAC Default Settings for Managing Destinations, Tunnels, and
Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338
Generating UDP Checksums in Packets to L2TP Peers . . . . . . . . . . . . . . . . . . . . 339
Specifying a Destruct Timeout for L2TP Tunnels and Sessions . . . . . . . . . . . . . 339
Preventing Creation of New Destinations, Tunnels, and Sessions . . . . . . . . . . . . 340
Preventing Creation of New Destinations, Tunnels, and Sessions on the
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Preventing Creation of New Tunnels and Sessions at a Destination . . . . . . 340
Preventing Creation of New Sessions for a Tunnel . . . . . . . . . . . . . . . . . . . . . 341
Specifying a Drain Timeout for a Disconnected Tunnel . . . . . . . . . . . . . . . . . 341
Shutting Down Destinations, Tunnels, and Sessions . . . . . . . . . . . . . . . . . . . . . . 341
Closing Existing and Preventing New Destinations, Tunnels, and Sessions
on the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Closing Existing and Preventing New Tunnels and Sessions for a
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Closing Existing and Preventing New Sessions in a Specific Tunnel . . . . . . . 342
Closing a Specific Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Specifying the Number of Retransmission Attempts . . . . . . . . . . . . . . . . . . . . . . 342
Configuring Calling Number AVP Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Calling Number AVP 22 Configuration Tasks . . . . . . . . . . . . . . . . . . . . . . . . . 347
Configuring the Fallback Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Disabling the Calling Number AVP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Mapping a User Domain Name to an L2TP Tunnel Overview . . . . . . . . . . . . . . . . 351
Mapping User Domain Names to L2TP Tunnels from Domain Map Tunnel
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Mapping User Domain Names to L2TP Tunnels from Tunnel Group Tunnel
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Configuring the RX Speed on the LAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
Managing the L2TP Destination Lockout Process . . . . . . . . . . . . . . . . . . . . . . . . 359
Modifying the Lockout Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Verifying That a Locked-Out Destination Is Available . . . . . . . . . . . . . . . . . . 360
Configuring a Lockout Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Unlocking a Destination that is Currently Locked Out . . . . . . . . . . . . . . . . . . 361
Starting an Immediate Lockout Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Managing Address Changes Received from Remote Endpoints . . . . . . . . . . . . . . 361
Configuring LAC Tunnel Selection Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Configuring the Failover Between Preference Levels Method . . . . . . . . . . . . 363
Configuring the Failover Within a Preference Level Method . . . . . . . . . . . . . 364
Configuring the Maximum Sessions per Tunnel . . . . . . . . . . . . . . . . . . . . . . 364
Configuring the Weighted Load Balancing Method . . . . . . . . . . . . . . . . . . . . 365
Configuring an L2TP LNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
LNS Configuration Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Configuring an LNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Creating an L2TP Destination Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Creating an L2TP Host Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
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