From: damien (damien@xxxxxxxxxxx)
Date: Mon Oct 30 2000 - 11:02:17 GMT-3
I am trying to get ISDN Callback working and alas its driving me
crazy...........its probably something really simple as usual....! I
have checked CCO and any other stuff I have, and it appears to be
configured correctly...it could be IOS related.............can someone
please shed some light.........configs below
Router 2 ( Callback Server)
username R3 callback-dialstring 8358662 password 0 cisco
isdn switch-type basic-ni
interface BRI0
ip address 10.1.4.2 255.255.255.0
no ip directed-broadcast
encapsulation ppp
dialer callback-secure
dialer enable-timeout 2
dialer map ip 10.1.4.3 name R3 class dial1 broadcast 8358662
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0835866101 8358661
isdn spid2 0835866301 8358663
ppp callback accept
ppp authentication chap
hold-queue 75 in
!
ip classless
!
!
map-class dialer dial1
dialer callback-server username
dialer-list 1 protocol ip permit
Router 3 ( Callback Client )
username R2 password 0 cisco
isdn switch-type basic-ni
interface BRI0
ip address 10.1.4.3 255.255.255.0
no ip directed-broadcast
encapsulation ppp
dialer map ip 10.1.4.2 name R2 broadcast 8358661
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0835866201 8358662
isdn spid2 0835866401 8358664
ppp callback request
ppp authentication chap
!
ip classless
!
dialer-list 1 protocol ip permit
Some debug from R3 after a ping (authen & dialer events on)..........
r3#p 10.1.4.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.4.2, timeout is 2 seconds:
03:59:01: BR0 DDR: Dialing cause ip (s=10.1.4.3, d=10.1.4.2)
03:59:01: BR0 DDR: Attempting to dial 8358661
03:59:01: %LINK-3-UPDOWN: Interface BRI0:1, changed state to up
03:59:01: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to
8358661
03:59:01: BR0:1 PPP: Treating connection as a callout
03:59:01: BR0:1 PPP: Phase is AUTHENTICATING, by both
03:59:01: BR0:1 CHAP: O CHALLENGE id 19 len 23 from "r3"
03:59:01: BR0:1 CHAP: I CHALLENGE id 19 len 23 from "r2"
03:59:01: BR0:1 CHAP: O RESPONSE id 19 len 23 from "r3"
03:59:01: BR0:1 CHAP: I SUCCESS id 19 len 4
03:59:01: BR0:1 CHAP: I RESPONSE id 19 len 23 from "r2"
03:59:01: BR0:1 CHAP: O SUCCESS id 19 len 4
03:59:01: BR0:1 DDR: Authenticated host r2 with no matching dialer map
03:59:01:. BR0:1 DDR: Callback negotiated - waiting for server
disconnect
03:59:02: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0:1,
changed state
to up
03:59:03: %ISDN-6-DISCONNECT: Interface BRI0:1 disconnected from
8358661 r2, ca
ll lasted 1 seconds
03:59:03: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
03:59:03: DDR: Callback client for r2 8358661 created
03:59:03: BR0:1 DDR: disconnecting call
03:59:04: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0:1,
changed state
to down....
Success rate is 0 percent (0/5)
r3#
03:59:48: DDR: No callback received from r2 8358661
03:59:48: DDR: Freeing callback to r2 8358661
Thanks
Damien.
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