[Openswan Users] xl2tp authentication problem with Cisco LAC
mcr at sandelman.ca
Fri Aug 28 10:32:34 EDT 2015
Chris Maverley <c.maverley at permanet.ie> wrote:
> I need to establish a l2tp tunnel from a cisco LAC. The l2tp tunnel
> needs to be authenticated. We are using the correct shared secret but
> I can’t get past this error. The CHAP challenge is failing. Everthing
> works if we don’t use l2tp tunnel authentication.
As far as I can see, you aren't running this inside Openswan/IPsec.
I'm not sure what the problem is with interoperation with the LAC,
but I don't think this is an IPsec issue.
> Aug 25 16:01:30 pnetadmin-ProLiant-DL160-Gen9 xl2tpd:
> control_finish: Connection closed to 10.1.1.204, port 1701 (process
> challenge response failed mismatch), Local: 41428, Remote: 62103
This seems to be using the L2TP authentication, which I'm sure that
L2TP-over-IPsec uses never excercise, I'm not surprised if it fails.
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