[c-nsp] MacOS9, AS53xxx and L2TP

[Paul G. Timmins]

I'm having a similar issue where my portmasters authenticate the user,
hand the L2TP session to our 7206VXR, and then that falls apart and
states invalid username or password. Our VXR is at 12.4(16) 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Pshem Kowalczyk
Sent: Wednesday, June 25, 2008 8:54 PM
To: cisco-nsp
Subject: [c-nsp] MacOS9, AS53xxx and L2TP

Hi All,

We provide dialup services using Cisco AS5400 and AS5300 (in few
remote and low-use places). The ASes initiate L2TP tunnels to our
7301s, that in turn terminate the sessions.
Everything was fine until we upgraded the 7301 to a newer software
version (from 12.3.18 to 12.4.10). After that all MacOS9 users can't
get the PPP up any more if they happen to connect to a 5300.
Debugging is quite difficult due to volume of the calls that we handle
and the fact that local telco sends call down the E1s at random (i.e.
there is no guarantee, that second call made to the same number will
go down the same E1 and end up on the same NAS). It looks like the PPP
negotiation stops at certain stage and then times out. None of the
other types of customers/OSes seem to have that problem.

Has any of you encounter anything similar? I know that 5300 is not
supported any more, but due to dialup dying out it's difficult to
justify any spendings on the platform.

kind regards
Pshem
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