From: Kaiser Anwar (kaiseranwar@sbcglobal.net)
Date: Wed Sep 24 2003 - 23:00:16 GMT-3
Ok thanks once again. So if I am told to that if I am told that if r1 calls
r3 should not challenge.
I can do ppp authentication chap on r1 and ppp authentication chap callout.
Thanks
Kaiser Anwar
----- Original Message -----
From: "William Lijewski" <ccie8642@hotmail.com>
To: <kaiseranwar@sbcglobal.net>; <ccielab@groupstudy.com>
Sent: Wednesday, September 24, 2003 8:52 PM
Subject: Re: ppp authentication chap callin
>
> By default when you apply ppp authentication chap on the BRI interface the
> router will authenticate both calls in and calls out. You don't want R3
to
> authenticate both ways, only on the call out of R3, not the calls in.
Here
> are your options:
>
> On R1:
>
> ppp authentication chap callin - this will tell R1 to only authenticate
> incoming calls. It will not authenticate outgoing calls. Not what you
> want.
>
> ppp authentication chap callout - this will tell R1 to only authenticate
> outgoing calls. It will not authenticate incoming calls. Not what you
> want.
>
> On R3:
>
> ppp authentication chap callin - this will tell R3 to only authenticate
> incoming calls. It will not authenticate outgoing calls. Not what you
> want.
>
> ppp authentication chap callout - this will tell R3 to only authenticate
> outgoing calls. It will not authenticate incoming calls. This is what
you
> want. The command only goes on R3. Don't do anything different on R1,
only
> the ppp authentication chap, so that R1 will still authenticate both
> incoming and outgoing calls. On R3 apply the ppp authentication chap
> callout command so that R3 will only authenticate when it callls out. It
> will not authenticate when R1 calls in.
>
> You can verify this with the 'debug ppp authentication' command on R3.
> Issue it before you change R3 to callout and you will see two challenges
> when R1 calls. Change it to callout on R3 and you will only see R1
> challenge R3 - R3 will not challenge the call in.
>
> Bill Lijewski
> CCIE #8642
> Network Learning Inc
> 5 Day R&S CCIE Bootcamp Instructor
>
> >From: "Kaiser Anwar" <kaiseranwar@sbcglobal.net>
> >Reply-To: "Kaiser Anwar" <kaiseranwar@sbcglobal.net>
> >To: <ccielab@groupstudy.com>
> >Subject: ppp authentication chap callin
> >Date: Wed, 24 Sep 2003 18:16:33 -0500
> >
> >Hi,
> > I am little confused here. this is what I am trying to achiev. I have
> >R1
> >connected to R3 with isdn.
> > If R1 calls R3. R3 should not challenge R1. which command I need to
> >put
> >and on which router.
> >
> >Thanks
> >Kaiser A
> >
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