From: Volkov, Dmitry (IDS Canada) (dmitry_volkov@ca.ml.com)
Date: Sat Jul 05 2003 - 21:41:28 GMT-3
Perfect ! It works.
Interesting - in command ref guide said:
"Acceptable values are positive, NONZERO integers. "
http://127.0.0.1:8080/cc/td/doc/product/software/ios122/122cgcr/fdial_r/drfd
.htm#1042890
Another related question :
http://127.0.0.1:8080/cc/td/doc/product/software/ios122/122cgcr/fdial_r/drfd
.htm#1105126
dialstring
(Optional) Identifies the return call during callback negotiation.
I've never been able to have it work:
"dialer callback-server dial-string" in "map-class dialer"
It doesn't appear in config even:
r13(config)#map-class dialer test
r13(config-map-class)#dialer callback-server dial-string
r13#sh run | be map-class
map-class dialer test
dialer callback-server
When can it work ??
Thanks,
Dmitry
> -----Original Message-----
> From: Brian Dennis [mailto:brian@labforge.com]
> Sent: Saturday, July 05, 2003 6:34 PM
> To: 'Volkov, Dmitry (IDS Canada)'; ccielab@groupstudy.com
> Subject: RE: Legacy DDR with ISDN callback - how to restrict
> server to initiate e the call ?
>
>
> On the callback server set the dialer idle-timeout to 0 and do not
> configure a dialer-list and/or dialer-group. This way the callback
> server can never initiate a call or drop a call due to the lack of
> interesting traffic.
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of
> Volkov, Dmitry (IDS Canada)
> Sent: Saturday, July 05, 2003 3:08 PM
> To: 'ccielab@groupstudy.com'
> Subject: Legacy DDR with ISDN callback - how to restrict server to
> initiat e the call ?
>
> Old problem, I checked archives, No result :(
> R2 - callback client; R3 callback server; Legacy DDR. Callback works
> fine.
> No AAA server.
>
> Question: How to prevent R3 to do first call to R2 and to
> keep callback
> client/server setup ?
>
> One possible solution - to remove "dialer-group"
> statement from R3 and to put very high "dialer idle-timeout "
> - this is
> ugly.
>
> If I remove dial-string from dialer map on R3 it will never call back.
> How
> to tell R3 required string to call back in this case ?
>
>
> username r3 password 0 cisco
> R2#
> interface BRI1/0
> ip address 133.33.23.2 255.255.255.252
> encapsulation ppp
> dialer map ip 133.33.23.1 name r3 broadcast 5550131
> dialer load-threshold 2 either
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 42255501210101 5550121
> isdn spid2 42255501220101 5550122
> no cdp enable
> ppp callback request
> ppp authentication chap callin
> ppp multilink
> end
>
> username r2 password 0 cisco
> R3#
> interface BRI0
> ip address 133.33.23.1 255.255.255.252
> encapsulation ppp
> dialer map ip 133.33.23.2 name r2 class test broadcast 5550121
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 42255501310101 5550131
> isdn spid2 42255501320101 5550132
> no cdp enable
> ppp callback accept
> ppp authentication chap callin
> ppp multilink
> end
> !
> map-class dialer test
> dialer callback-server username
>
>
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