From: John Tafasi (johntafasi@yahoo.com)
Date: Mon Dec 16 2002 - 14:12:11 GMT-3
Yes, and the ping work fine when there is no callback configuration on the
routers.
----- Original Message -----
From: "Tony Schaffran" <tschaffran@cconlinelabs.com>
To: "'John Tafasi'" <johntafasi@yahoo.com>; "'Cisco Group Study'"
<cisco@groupstudy.com>; "'ccielab'" <ccielab@groupstudy.com>
Sent: Monday, December 16, 2002 7:24 AM
Subject: RE: BR0:1 DDR: No callback negotiated
> Do you have "username" configured?
>
>
> Tony Schaffran
> Network Analyst
> CCNP, CCNA, CCDA,
> NNCDS, NNCSS, CNE, MCSE
>
> CCOnlineLabs.com
> http://www.cconlinelabs.com
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> John Tafasi
> Sent: Monday, December 16, 2002 1:32 AM
> To: Cisco Group Study; ccielab
> 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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