From: Rick Mur (rick@rickmur.nl)
Date: Tue Aug 26 2008 - 01:13:07 ART
Have you checked that your clock rate is indeed on the DCE side? Is
your hostname R2?
On 25 aug 2008, at 20:57, Scott Morris wrote:
> What does your output from "debug ppp authentication" look like?
>
> Make sure you don't have a space after CISCO.
>
> It should work just fine. The lab I'm working on today did the same
> thing,
> works great.
>
> R2 will use its hostname by default (why you need to name) and then
> the
> password you specified.
>
> HTH,
>
>
> Scott Morris, CCIE4 #4713, JNCIE-M #153, JNCIS-ER, CISSP, et al.
> CCSI/JNCI-M/JNCI-ER
> Senior CCIE Instructor
>
> smorris@internetworkexpert.com
>
>
>
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>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Mark
> Stephanus Chandra
> Sent: Monday, August 25, 2008 11:38 PM
> To: ccielab@groupstudy.com
> Subject: Chap Authentication
>
> Dear Friends,
>
>
>
> Need Confirmation About CHAP Authentication in PPP Encapsulation.
>
>
>
> I have a lab topology R1 -----serial----------R2
>
>
>
> R1 have PPP encapsulation through R2
>
>
>
> Have A Task to do :
>
> 1. Configure R1 to challenge Chap Authentication to R2
>
> 2. R2 should respond with password CISCO
>
> 3. no username command at R2
>
>
>
> The solution provided :
>
> R1.
>
>
>
> username R2 password CISCO
>
>
>
> interface serial
>
> encapsulation PPP
>
> clockrate 64000
>
> ppp authentication CHAP
>
>
>
> R2.
>
>
>
> interface serial
>
> encapsulation PPP
>
> ppp chap password CISCO
>
>
>
> I tried the solution but it cannot make my line protocol serial goes
> up.
>
>
>
> My understanding about PPP Authentication CHAP so far is that we
> need to
> authenticate the router both direction. So I Think there is no way
> that we
> can get this authentication works without 'username command' on R2.
>
>
>
> Cause R1 need to authenticate also to R2 right ?
>
>
>
> But I also try this solution of mine but it doesn't work either :)
> Make me
> frustated.
>
>
>
> Can anyone help ?
>
>
>
>
>
> Thanks in advance guys
>
>
>
>
>
> Regards
>
>
>
> Mark Stephanus Chandra
>
>
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