From: Keith Steller (ksteller@attbi.com)
Date: Mon Dec 16 2002 - 18:37:04 GMT-3
I guess I would confirm that you do infact have the capability to make a
call in both directions. I would also remove the callback-secure and give
that a try. What does the sh dialer say? Successful calls both ways? If yes,
you can focus on callback and secure.
Thanks,
K
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
enginedrive2002
Sent: Monday, December 16, 2002 2:44 PM
To: ccielab@groupstudy.com; John Tafasi
Subject: Re: BR0:1 DDR: No callback negotiated
I have little hand-on experience with ISDN. Just a guess, is it due to you
use dialer interface on R2 and physical interface on R5? Could you do more
test and let us know the result? Thanks!
E.D.
----- Original Message -----
From: "John Tafasi" <johntafasi@yahoo.com>
To: "Cisco Group Study" <cisco@groupstudy.com>; "ccielab"
<ccielab@groupstudy.com>
Sent: December 16, 2002 4:32 AM
Subject: BR0:1 DDR: No callback negotiated
> I have two isdn routers r2 (callback client) and r5 (callback server).
> without callback configuration r2 will connect to r5 successfully. With
the
> callback configuration added, r5 will disconnect the call and will not
> callback r2. Can some one figure out what is wrong with my configuration?
I
> have included configuration of both routers and the result of debug dialer
> on r5. It seems to me that r2 is not negotiating callback.
>
> R5-2503#show debug
> Dial on demand:
> Dial on demand events debugging is on
> R5-2503#
> 2d11h: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
> R5-2503#
> Mar 3 11:05:34.703: BR0:1 DDR: No callback negotiated
> Mar 3 11:05:34.703: BR0:1 DDR: disconnecting call
> 2d11h: %ISDN-6-DISCONNECT: Interface BRI0:1 disconnected from 8358661 r2,
> call lasted 2 seconds
> 2d11h: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
> R5-2503#
> Mar 3 11:05:34.851: BR0:1 DDR: disconnecting call
> R5-2503#
> 2d11h: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
> R5-2503#
> Mar 3 11:05:40.179: BR0:1 DDR: No callback negotiated
> Mar 3 11:05:40.179: BR0:1 DDR: disconnecting call
> 2d11h: %ISDN-6-DISCONNECT: Interface BRI0:1 disconnected from 8358661 r2,
> call lasted 4 seconds
> 2d11h: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
> R5-2503#
> Mar 3 11:05:40.331: BR0:1 DDR: disconnecting call
>
>
> R5-2503#show run
>
> hostname r5-2503
> !
> interface BRI0
> ip address 10.10.10.2 255.255.255.0
> ip access-group 101 in
> encapsulation ppp
> dialer callback-secure
> dialer map ip 10.10.10.1 name r2 class eng broadcast 8358661
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 0835866201
> isdn spid2 0835866401
> cdapi buffers regular 0
> cdapi buffers raw 0
> cdapi buffers large 0
> ppp callback accept
> ppp authentication chap
> ppp chap hostname r5
> ppp multilink
> !
> !
> map-class dialer eng
> dialer callback-server username
> ---------------------------------------------
>
> hostname r2-2516
> !
> interface Dialer1
> ip address 10.10.10.1 255.255.255.0
> no ip directed-broadcast
> encapsulation ppp
> dialer remote-name r5
> dialer string 8358662
> dialer pool 1
> dialer-group 1
> ntp broadcast
> pulse-time 0
> ppp callback request
> ppp chap hostname r2
> !
> .
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