From: Janto Cin (jantocin@datacomm.co.id)
Date: Thu Oct 31 2002 - 23:26:05 GMT-3
Hi Group,
I have 2 routers (R2 and R5) connect using ISDN.
The objective is to have R5 callback to R2, the authentication using
PAP.
I have tried with CHAP and it works.
Below the configuration for both routers and debug dialer events and
debug ppp authentication.
R2
====
hostname R2
username R5 password 0 isdn
isdn switch-type basic-dms100
interface BRI0/0
ip address 216.30.25.2 255.255.255.224
encapsulation ppp
dialer idle-timeout 60
dialer wait-for-carrier-time 10
dialer map ip 216.30.25.5 name R5 broadcast 8358662
dialer-group 1
isdn switch-type basic-dms100
isdn spid1 0835866101
isdn spid2 0835866301
ppp callback request
ppp authentication pap
ppp pap sent-username R2 password 7 060F1C2542
dialer-list 1 protocol ip permit
R2#p 216.30.25.5
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 216.30.25.5, timeout is 2 seconds:
00:39:39: BR0/0 DDR: Dialing cause ip (s=216.30.25.2, d=216.30.25.5)
00:39:39: BR0/0 DDR: Attempting to dial 8358662
00:39:176093659135: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to
up
00:39:173946175461: BR0/0:1 PPP: Treating connection as a callout
00:39:40: BR0/0:1 PAP: O AUTH-REQ id 16 len 12 from "R2"
00:39:40: BR0/0:1 PAP: I AUTH-ACK id 16 len 5
00:39:40: BR0/0:1 PAP: I AUTH-REQ id 10 len 12 from "R5"
00:39:40: BR0/0:1 PAP: Authenticating peer R5
00:39:40: BR0/0:1 PAP: O AUTH-ACK id 10 len 5
00:39:40: BR0/0:1 DDR: Callback negotiated - Disconnecting now
00:39:40: BR0/0:1 DDR: disconnecting call.
00:39:40: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to
8358662 R5
00:39:171798691844: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to
down
00:39:171798691840: DDR: Callback client for R5 8358662 created
00:39:171798691848: BR0/0:1 DDR: disconnecting call....
Success rate is 0 percent (0/5)
R2#
00:40:05: DDR: No callback received from R5 8358662
00:40:05: DDR: Freeing callback to R5 8358662
R2#
R5
====
hostname R5
username R2 password 0 isdn
isdn switch-type basic-dms100
interface BRI0/0
ip address 216.30.25.5 255.255.255.224
encapsulation ppp
dialer callback-secure
dialer idle-timeout 60
dialer enable-timeout 5
dialer map ip 216.30.25.2 name R2 broadcast 8358661
dialer-group 1
isdn switch-type basic-dms100
isdn spid1 0835866201
isdn spid2 0835866401
ppp callback accept
ppp authentication pap
ppp pap sent-username R5 password 7 0706324840
map-class dialer cheaper
dialer callback-server username
dialer-list 1 protocol ip permit
R5#
00:39:35: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up
R5#
00:39:35: BR0/0:1 PPP: Treating connection as a callin
00:39:36: BR0/0:1 PAP: I AUTH-REQ id 16 len 12 from "R2"
00:39:36: BR0/0:1 PAP: Authenticating peer R2
00:39:36: BR0/0:1 PAP: O AUTH-ACK id 16 len 5
00:39:36: BR0/0:1 PAP: O AUTH-REQ id 10 len 12 from "R5"
00:39:36: BR0/0:1 PAP: I AUTH-ACK id 10 len 5
00:39:36: BR0/0:1 DDR: No callback configured for user R2.
00:39:36: BR0/0:1 DDR: disconnecting call
00:39:36: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to
8358661 R2
00:39:158913789951: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to
down
R5#
00:39:154685977620: BR0/0:1 DDR: disconnecting call
R5#
The IOS is 12.1.17.
Thanks in advance.
Janto
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