From: folivore (folivore@hotmail.com)
Date: Wed Mar 05 2003 - 02:53:39 GMT-3
"ppp authen chap callin" means R1 will only initiate CHAP when being called.
So
1. when R1 calling out, no CHAP req will be sent to peer.
2. when R1 being called, it sends CHAP req.
Of course you can make R1 not to send CHAP req at all time(only R2
authenticate R1 no matter it's callin or callout), but it's not applicable
in real world.
----- Original Message -----
From: "Jung, Jin" <jin.jung@lmco.com>
To: "'P729'" <p729@cox.net>; "Ccielab@Groupstudy.Com"
<ccielab@groupstudy.com>
Sent: Monday, March 03, 2003 10:09 AM
Subject: RE: Simple ISDN question -
> OS you are saying R2 should be configured with ppp authentication chap
> callin,
> Or are you saying do not configure ppp authtiencation on r2 at all.???
>
>
>
>
> -----Original Message-----
> From: P729 [mailto:p729@cox.net]
> Sent: Monday, March 03, 2003 10:58 AM
> To: Jung, Jin; Ccielab@Groupstudy.Com
> Subject: Re: Simple ISDN question -
>
>
> The 'ppp authentication' commands instruct the router as to where and when
> to challenge the REMOTE end. If a router is challenged, it has no choice
but
> to attempt to authenticate. So in your scenario, it's not up to r1 (not
> configurable on r1). It's up to r2. r2 must be instructed not to challenge
> (authenticate) r1.
>
> With this in mind, 'ppp authentication chap callin' configured in r1
> instucts r1 to challenge the calling party when r1 is the called party (r2
> calls r1). Whether or not r1 itself is challenged during this call depends
> on how r2 is configured. In the same scenario, if r1 were to call r2, r1
> would not challenge r2 ("r2 would not have to authenticate") because its a
> "callout" from r1's perspective. Whether r1 is challenged during this
> callout still depends on how r2 is configured.
>
> Regards,
>
> Mas Kato
> https://ecardfile.com/id/mkato
>
> ----- Original Message -----
> From: "Jung, Jin" <jin.jung@lmco.com>
> To: "Ccielab@Groupstudy.Com" <ccielab@groupstudy.com>
> Sent: Monday, March 03, 2003 4:56 AM
> Subject: Simple ISDN question -
>
>
> I have seen this question asked before, but I am still not sure, If
scenario
> asks, " r1 should not authenticate", only r2 should authenticate.
>
> I am thinking I have to setup ppp authenticate chap callin on r1,
>
> Is this correct?
>
>
>
> Jin Jung
> Enterprise Information Services
> Network Infrastructure engineer
> Office: 301-640-3247
> Have a great day
> l
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