[cisco-bba] L2TP LNS and HSRP

[Oliver Boehmer (oboehmer)]

Gaurav Sabharwal <mailto:gaurav at inwire.net> wrote on Friday, December
29, 2006 10:24 PM:

> on 12/29/2006 09:53 PM Oliver Boehmer (oboehmer) said the following:
>> cisco-bba-bounces at puck.nether.net <> wrote on :
>> 
>>> Hi,
>>> 
>>> I am trying to bring up two Cisco 7206 routers as LNS for L2TP dial.
>>> IOS: 12.2(28)SB5. HSRP is configured on the router's outside
>>> interface in order to provide redundancy.
>>> 
>> 
>> You can't terminate the L2TP tunnel on the HSRP address, please use
>> multiple IP addresses at the LAC (i.e. multiple initiate-to
>> statements) to provide redundancy/fail-over to both LNS
> 
> Thanks for the reply. We are going to use client initiated
> L2TP and we can't provide multiple LNS via the pseudowire command on
the CPE.

Ah, ok, understood. Can't tell when we'll be able to support redundancy
here.

> Also, why is not possible to use the HSRP to terminate L2TP tunnels?

I checked again, and it should actually work (at least it worked in the
past). You might be running into CSCsf09874 (LNS denies L2TP SCCRQ
messages to HSRP virtual IP address), 12.4(10a) and later 12.4 releases
have the fix.

	oli