From: enginedrive2002 (enginedrive2002@yahoo.ca)
Date: Mon Dec 16 2002 - 17:44:25 GMT-3
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
> !
> .
This archive was generated by hypermail 2.1.4 : Fri Jan 17 2003 - 17:21:46 GMT-3