[c-nsp] MacOS9, AS53xxx and L2TP

Pshem Kowalczyk pshem.k at gmail.com
Thu Jun 26 16:58:53 EDT 2008


Hi,

Have you managed to identify (or even fix) that actual problem?

kind regards
Pshem


2008/6/27 Paul G. Timmins <ptimmins at clearrate.com>:
> 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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