Re: IEWB v3 Vol 2 Lab 3 - Mutual PPP Auth

From: Mike Ollington (mike.ollington@gmail.com)
Date: Thu Jan 05 2006 - 07:11:18 GMT-3


Apologies, that is how I interpreted the question - I believe I have two
options for using a virtual-template interface - creating a multilink group
or using PPPoFR.

I tried the multilink route, however, it doesn't appear that runs any
authentication. The authentication if configured seems to occur at physical
interface level - the only PPP negotiation appears to be for multilink only.

So back to back PPPoFR appears to be my best course of action but does that
contradict this requirement?:

* Configure the serial link between R4 and R5 using PPP encapsulation

Or is the end result to have IP over PPP without "ppp authentication"
configured under the Se0/1 interface on R5?

Cheers,
Mike

On 1/5/06, Brian Dennis <bdennis@internetworkexpert.com> wrote:
>
> I'm not even sure that I remember the solution. Just kidding of course
> ;-)
>
> Note that the requirement states to not use the "ppp authentication"
> command under R5's serial0/1 interface but you can use the command on
> R5. Just not under the serial0/1 interface.
>
> Here is the full task for the benefit of everyone:
>
> * Configure the serial link between R4 and R5 using PPP encapsulation.
> * R4 and R5 should authenticate each other over this link.
> * R4 should offer the username ROUTER4 and the password of CISCO4 during
> the authentication process.
> * R4 should offer the username ROUTER5 and the password of CISCO5 during
> the authentication process.
> * Do not use the "ppp authentication" command under R5's Serial0/1
> interface for this task.
>
> HTH,
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
> bdennis@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Mike Ollington
> Sent: Wednesday, January 04, 2006 3:07 PM
> To: ccielab@groupstudy.com
> Subject: IEWB v3 Vol 2 Lab 3 - Mutual PPP Auth
>
> Hello,
>
> The task asks for mutual authentication with differing usernames and
> passwords without configuring "ppp authentication..." on one side.
>
> I've selected PAP due to the differing passwords but I can only get one
> side
> to request the authentication.
>
> Any ideas?
>
> Wish I knew where the Brians dug this stuff up from. :)
>
> Thanks,
> Mike
>
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