Configuring An L2Tp Lns; Chapter 13 Configuring An L2Tp Lns; Lns Configuration Prerequisites; Managing L2Tp - Juniper JUNOSE SOFTWARE 11.2.X - BROADBAND ACCESS CONFIGURATION GUIDE 7-20-2010 Configuration Manual

CHAPTER 13

Configuring an L2TP LNS

LNS Configuration Prerequisites

Copyright © 2010, Juniper Networks, Inc.
An L2TP network server (LNS) is a node that acts as one side of an L2TP tunnel endpoint
and is a peer to the LAC. An LNS is the logical termination point of a PPP connection that
is being tunneled from the remote system by the LAC. You can configure your E Series
router to function as an LNS.
This chapter includes the following topics that provide information for configuring an
L2TP LNS on the E Series router:
LNS Configuration Prerequisites on page 367
Configuring an LNS on page 368
Creating an L2TP Destination Profile on page 370
Creating an L2TP Host Profile on page 371
Configuring the Maximum Number of LNS Sessions on page 372
Configuring the RADIUS Connect-Info Attribute on the LNS on page 372
Overriding LNS Out-of-Resource Result Codes 4 and 5 on page 373
Selecting Service Modules for LNS Sessions Using MLPPP on page 374
Enabling Tunnel Switching on page 376
Creating Persistent Tunnels on page 376
Testing Tunnel Configuration on page 376
Managing L2TP Destinations, Tunnels, and Sessions on page 377
Configuring Disconnect Cause Information on page 377
Configuring the Receive Window Size on page 379
Configuring Peer Resynchronization on page 382
Configuring L2TP Tunnel Switch Profiles on page 385
Configuring the Transmit Connect Speed Calculation Method on page 391
PPP Accounting Statistics on page 398
Before you begin configuring the router as an LNS, perform the following steps:
Create a virtual router.
1.
367