l2tp authentication question

Unanswered Question
Jan 9th, 2008
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Hi,


We have a LNS which is connecting to our partners LAC. I've been mandated to provide password authentication for this connection. Looking online, all that I see is authentication for the users that will be using the LAC/LNS connection. But... I don't see a way to authenticate the LAC itself. This is a working tunnel currently, with no password for the LAC/LNS connection.


Here's our config:

vpdn-group VZ

accept-dialin

protocol l2tp

virtual-template 1

terminate-from hostname VZWLAC

source-ip 216.x.x.254

local name GC

l2tp tunnel framing capabilities all

l2tp tunnel bearer capabilities all

ip pmtu

ip mtu adjust


interface Virtual-Template1

ip unnumbered Loopback0

ip mtu 1400

ip policy route-map clear-df

peer default ip address pool guamcell

no keepalive

ppp authentication chap

ppp ipcp dns 63.x.x.20 63.103.50.17



Thanks!

Lisa G


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aghaznavi Wed, 01/16/2008 - 06:48
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Better you can try LNS authentication server performs an authentication process based on the LNS local name and shared password . And the LNS can perform the authentication locally

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