RE: isdn question

From: Tony Schaffran (groupstudy@cconlinelabs.com)
Date: Wed Sep 24 2003 - 23:35:12 GMT-3

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I think you are correct.

I read his question too fast.

He is either not stating all of the requirements or he has stated it
backwards. But I believe he is trying to get to callin.

Thank you for pointing that out.

Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
www.cconlinelabs.com
Your #1 choice for online Cisco rack rentals.
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Kenneth Wygand
Sent: Wednesday, September 24, 2003 7:23 PM
To: Tony Schaffran; Kaiser Anwar; ccielab@groupstudy.com
Subject: RE: isdn question

Actually Tony, I disagree. "ppp authentication chap callin" should be used
on a router so that challenges are made only on INCOMING calls, not outgoing
calls.
 
Now in Kaiser's question, he said "If R1 calls R3. R3 should not challenge
R1". Well if R1 is doing the calling, "ppp authentication chap callin"
configured on this router will cause R1 not to challenge R3, but R3 will
challenge R1. If we put "ppp authentication chap callin" on R3, the call
would be considered incoming from R3's perspective and R3 WILL in fact
challenge R1.
 
Seems to me that R3 will always challenge R1 when R1 initiates the call to
R3 no matter where "ppp authentication chap callin" is placed.
 
Someone please correct me if I am wrong.
 
Thanks,
Ken

        -----Original Message-----
        From: Tony Schaffran [mailto:groupstudy@cconlinelabs.com]
        Sent: Wed 9/24/2003 10:08 PM
        To: 'Kaiser Anwar'; ccielab@groupstudy.com
        Cc:
        Subject: RE: isdn question
        
        

        Sorry about my previous post.
        
        I forgot the authentication in the "ppp authentication chap callin"
command.
        
        It looks like you already had the answer in one of your other posts.
        
        Tony Schaffran
        Network Analyst
        CCIE #11071
        CCNP, CCNA, CCDA,
        NNCDS, NNCSS, CNE, MCSE
        
        www.cconlinelabs.com
        Your #1 choice for online Cisco rack rentals.
        
        
        -----Original Message-----
        From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
        Kaiser Anwar
        Sent: Wednesday, September 24, 2003 4:46 PM
        To: ccielab@groupstudy.com
        Cc: ccielab@groupstudy.com
        Subject: isdn question
        
        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
        
        ***Get your CCIE and a FREE vacation: Shop.GroupStudy.com***
        

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