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Basil (Vasily) Dolmatov CCIE #5347
Demos-Internet Ltd. http://www.demos.su
> -----Original Message-----
> From: Mark E. Mallett [mailto:mem@mv.mv.com]
> Sent: Thursday, July 26, 2001 3:02 PM
> To: cisco-nsp@puck.nether.net
> Subject: Re: [nsp] T1s stop working after IOS upgrade...
>
>
> On Wed, Jul 25, 2001 at 04:34:38PM -0400, George Robbins wrote:
> > If aaa "network" auth is getting invoked, it will apply to ppp
> connections
> > be they leased line or dialup, and you'll get a negotiation
> failure, it's
> > looking to use a password!
> >
> > This tends to cactch people trying the use the serial ports on AS5200's
> > or playing with ISDN backup on a router that already has ppp stuff.
>
> Thanks George, these seem to me to be very good clues.
>
> Unfortunately, after another 8-hour debugging session, I can't
> seem to find a way to translate these clues to a router configuration.
>
> It is amazing to me that a simple PPP configuration of a T1 port that
> works on one IOS rev and every IOS rev that I've used since, oh, 1993,
> does not work on the next, with absolutely no clue as to why not.
A lot of defaults have changed, a lot of new features were introduced, every
with
its own defaults....
Try this:
aaa authorization network default group tacacs+
aaa authorization network noauth none
....
interface Serial2:30
encapsulation ppp
ppp authorization noauth
An exempt from live config
>
> Anybody?
>
> mm
>
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