RE: PPP auth chap callin

From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Tue Oct 05 2004 - 13:21:47 GMT-3


Oliver,
        The "callout" option would have the local router authenticate
the remote device when the call is treated as outbound. It is one of
the more unusual options to see used in the real world.

ppp authentication chap

        Authenticate remote on callback
        Authenticate remote on incoming call
        Authenticate remote on outgoing call

ppp authentication chap callin

        Authenticate remote on incoming call only

ppp authentication chap callout

        Authenticate remote on outgoing call only

ppp authentication chap callback

        Authenticate remote on callback only

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
Oliver Grenham
Sent: Tuesday, October 05, 2004 8:18 AM
To: ccielab@groupstudy.com
Subject: PPP auth chap callin

Hi Group,

I have a question regarding the above command. If say Im On Router A and
I
call an ISP router routerB with the above command on a DDR interface
then my
router router A will not challenge the ISP's router using CHAP. If this
is
true (its only my understanding) then where would one use the command
"ppp
auth chap callout"

any advise would be greatly appreciated.

Ollie.



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