From: Tony Medeiros (tonygreat@xxxxxxxx)
Date: Sat Jun 24 2000 - 21:19:27 GMT-3
I am in need of help. Trying to get PPP callback working along with
Snapshot routeing. I get the callback client to initiate a call to the
server, the call disconnects like it should, the server initiates a
callback but the PPP negotiation fails right after CHAP is successful.
Maybe snapshot won't work with PPP callback. Here are the pertinate parts
of the configs and some debug output:
Thanks everyone!!!
Tony Medeiros
(7 weeks and a wake up till SJ)
R1 (Melbourne)
interface BRI0
ip address 193.1.1.10 255.255.255.252
no ip directed-broadcast
encapsulation ppp
dialer callback-secure
dialer idle-timeout 300
dialer fast-idle 45
dialer enable-timeout 2
dialer map ip 193.1.1.9 name Canberra class tony broadcast 7949314
dialer load-threshold 10 either
dialer-group 1
isdn switch-type basic-ni
isdn spid1 51079491370101
isdn spid2 51079494110101
snapshot server 5
ppp callback accept
ppp authentication chap
ppp multilink
ppp multilink interleave
map-class dialer tony
dialer callback-server username
dialer-list 1 protocol ip permit
R2 (Canberra)
interface BRI0
ip address 193.1.1.9 255.255.255.252
no ip directed-broadcast
encapsulation ppp
dialer idle-timeout 300
dialer fast-idle 45
dialer map snapshot 5 name Melbourne 7949137
dialer map ip 193.1.1.10 name Melbourne broadcast 7949137
dialer-group 1
isdn switch-type basic-ni
isdn spid1 51079493140101
isdn spid2 51079494430101
snapshot client 5 200 dialer
no cdp enable
ppp callback request
ppp authentication chap
ppp multilink
ppp multilink interleave
Dialer-list 1 protocol ip permit
And an excerpt of "debug ppp neg" on "melbourne" the PPP callback server.
00:52:12: BR0:1 LCP: State is Open
00:52:12: BR0:1 PPP: Phase is AUTHENTICATING, by both
00:52:12: BR0:1 CHAP: O CHALLENGE id 40 len 30 from "Melbourne"
00:52:12: BR0:1 CHAP: I CHALLENGE id 26 len 29 from "Canberra"
00:52:12: BR0:1 CHAP: O RESPONSE id 26 len 30 from "Melbourne"
00:52:12: BR0:1 CHAP: I SUCCESS id 26 len 4
00:52:12: BR0:1 CHAP: I RESPONSE id 40 len 29 from "Canberra"
00:52:12: BR0:1 CHAP: O SUCCESS id 40 len 4
00:52:12: BR0:1 PPP: Callback user did not negotiate LCP Callback
<----------- this is where is fails
00:52:12: BR0:1 PPP: Phase is TERMINATING
00:52:12: BR0:1 LCP: O TERMREQ [Open] id 60 len 4
00:52:12: BR0:1 LCP: I TERMACK [TERMsent] id 60 len 4
00:52:12: BR0:1 LCP: State is Closed
00:52:12: BR0:1 PPP: Phase is DOWN
00:52:12: BR0:1 PPP: Phase is ESTABLISHING, Passive Open
00:52:12: BR0:1 LCP: State is Listen
00:52:13: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
00:52:13: BR0:1 LCP: State is Closed
00:52:13: BR0:1 PPP: Phase is DOWN
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