From: atul pawar (atulpawar@xxxxxxxxxxx)
Date: Mon Jun 17 2002 - 08:35:03 GMT-3
Guyes
I have following network
r3------ISDN------r5
r5 is the callback client and r3 is the server. When I ping from r5 it calls
r3
and negotiates callback sucessfully. But the router r5 just sits there
without initiating a callback. I have checked the config which looks ok to
me.
In normal condition both routers are calling each other fine. It happens on
both routers even if I maker5 as callback server. If someone can shed some
light on this it would be great:). Relavent configs and debugs below
hostname r3
!
username r5 password 0 cisco
!
!
interface BRI0/0
ip address 135.3.13.3 255.255.255.0
encapsulation ppp
dialer callback-secure
dialer idle-timeout 30
dialer enable-timeout 3
dialer map ip 135.3.13.5 name r5 class callback broadcast 239117
dialer-group 1
isdn switch-type basic-net3
no peer neighbor-route
no cdp enable
ppp callback accept
ppp authentication chap
!
!
map-class dialer callback
dialer callback-server username
!
dialer-list 1 protocol ip list 109
!access-list 109 deny ospf any any
access-list 109 permit ip any any
hostname r5
!
username r3 password 0 cisco
!
!
interface BRI3/0
ip address 135.3.13.5 255.255.255.0
encapsulation ppp
dialer idle-timeout 30
dialer map ip 135.3.13.3 name r3 bro
dialer-group 1
isdn switch-type basic-net3
no peer neighbor-route
no cdp enable
ppp callback request
Debugs
r3#
2d00h: %LINK-3-UPDOWN: Interface BRI0/0:2, changed state to up
2d00h: BR0/0:2 PPP: Treating connection as a callin
2d00h: BR0/0:2 PPP: Phase is ESTABLISHING, Passive Open [0 sess, 1 load]
2d00h: BR0/0:2 LCP: State is Listen
2d00h: BR0/0:2 LCP: I CONFREQ [Listen] id 63 len 18
2d00h: BR0/0:2 LCP: AuthProto CHAP (0x0305C22305)
2d00h: BR0/0:2 LCP: MagicNumber 0x0D88AA9A (0x05060D88AA9A)
2d00h: BR0/0:2 LCP: Callback 0 (0x0D0300)
2d00h: BR0/0:2 LCP: O CONFREQ [Listen] id 87 len 15
2d00h: BR0/0:2 LCP: AuthProto CHAP (0x0305C22305)
2d00h: BR0/0:2 LCP: MagicNumber 0x0F4B10CD (0x05060F4B10CD)
2d00h: BR0/0:2 LCP: O CONFACK [Listen] id 63 len 18
2d00h: BR0/0:2 LCP: AuthProto CHAP (0x0305C22305)
2d00h: BR0/0:2 LCP: MagicNumber 0x0D88AA9A (0x05060D88AA9A)
2d00h: BR0/0:2 LCP: Callback 0 (0x0D0300)
2d00h: BR0/0:2 LCP: I CONFACK [ACKsent] id 87 len 15
2d00h: BR0/0:2 LCP: AuthProto CHAP (0x0305C22305)
2d00h: BR0/0:2 LCP: MagicNumber 0x0F4B10CD (0x05060
r3#F4B10CD)
2d00h: BR0/0:2 LCP: State is Open
2d00h: BR0/0:2 PPP: Phase is AUTHENTICATING, by both [0 sess, 1 load]
2d00h: BR0/0:2 CHAP: O CHALLENGE id 59 len 23 from "r3"
2d00h: BR0/0:2 CHAP: I CHALLENGE id 63 len 23 from "r5"
2d00h: BR0/0:2 CHAP: Waiting for peer to authenticate first
2d00h: BR0/0:2 CHAP: I RESPONSE id 59 len 23 from "r5"
2d00h: BR0/0:2 CHAP: O SUCCESS id 59 len 4
2d00h: BR0/0:2 CHAP: Processing saved Challenge, id 63
r3#
2d00h: BR0/0:2 CHAP: O RESPONSE id 63 len 23 from "r3"
2d00h: %ISDN-6-CONNECT: Interface BRI0/0:2 is now connected to 239117 r5
2d00h: %ISDN-6-DISCONNECT: Interface BRI0/0:2 disconnected from 01442239117
r5,
call lasted 2 seconds
2d00h: %LINK-3-UPDOWN: Interface BRI0/0:2, changed state to down
r3#
2d00h: BR0/0:2 PPP: Phase is TERMINATING [0 sess, 1 load]
2d00h: BR0/0:2 LCP: State is Closed
2d00h: BR0/0:2 PPP: Phase is DOWN [0 sess, 1 load]
2d00h: BR0/0:2 DDR: disconnecting call
r5#ping 135.3.13.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 135.3.13.3, timeout is 2 seconds:
1d16h: BR3/0 DDR: Dialing cause ip (s=135.3.13.5, d=135.3.13.3)
1d16h: BR3/0 DDR: Attempting to dial 239098
1d16h: %LINK-3-UPDOWN: Interface BRI3/0:1, changed state to up
1d16h: BR3/0:1 PPP: Treating connection as a callout
1d16h: BR3/0:1 PPP: Phase is ESTABLISHING, Active Open [0 sess, 1 load]
1d16h: BR3/0:1 LCP: O CONFREQ [Closed] id 63 len 18
1d16h: BR3/0:1 LCP: AuthProto CHAP (0x0305C22305)
1d16h: BR3/0:1 LCP: MagicNumber 0x0D88AA9A (0x05060D88AA9A)
1d16h: BR3/0:1 LCP: Callback 0 (0x0D0300)
1d16h: BR3/0:1 PPP: I pkt type 0xC021, datagramsize 19
1d16h: BR3/0:1 LCP: I CONFREQ [REQsent] id 87 len 15
1d16h: BR3/0:1 LCP: AuthProto CHAP (0x0305C22305)
1d16h: BR3/0:1 LCP: MagicNumber 0x0F4B10CD (0x05060F4B10CD)
1d16h: BR3/0:1 LCP: O CONFACK [REQsent] id 87 len 15
1d16h: BR3/0:1 LCP: AuthProto CHAP (0x0305C22305)
1d16h: BR3/0:1 LCP: MagicNumber 0x0F4B10CD (0x05060F4B10CD)
1d16h: BR3/0:1 PPP: I pkt type 0xC021, datagramsize 22
1d16h: BR3/0:1 LCP: I CONFACK [ACKsent.] id 63 len 18
1d16h: BR3/0:1 LCP: AuthProto CHAP (0x0305C22305)
1d16h: BR3/0:1 LCP: MagicNumber 0x0D88AA9A (0x05060D88AA9A)
1d16h: BR3/0:1 LCP: Callback 0 (0x0D0300)
1d16h: BR3/0:1 LCP: State is Open
1d16h: BR3/0:1 PPP: Phase is AUTHENTICATING, by both [0 sess, 1 load]
1d16h: BR3/0:1 CHAP: O CHALLENGE id 63 len 23 from "r5"
1d16h: BR3/0:1 PPP: I pkt type 0xC223, datagramsize 27
1d16h: BR3/0:1 CHAP: I CHALLENGE id 59 len 23 from "r3"
1d16h: BR3/0:1 CHAP: O RESPONSE id 59 len 23 from "r5"
1d16h: BR3/0:1 PPP: I pkt type 0xC223, datagramsize 8
1d16h: BR3/0:1 CHAP: I SUCCESS id 59 len 4
1d16h: BR3/0:1 PPP: I pkt type 0xC223, datagramsize 27
1d16h: BR3/0:1 CHAP: I RESPONSE id 63 len 23 from "r3"
1d16h: BR3/0:1 CHAP: O SUCCESS id 63 len 4
1d16h: BR3/0:1 DDR: Callback negotiated - Disconnecting now
1d16h: BR3/0:1 DDR: disconnecting call
1d16h: %ISDN-6-CONNECT: Interface BRI3/0:1 is now connected to 239098 r3
1d16h: %ISDN-6-DISCONNECT: Interface BRI3/0:1 disconnected from 239098 r3,
c
lasted 2 seconds
1d16h: %LINK-3-UPDOWN: Interface BRI3/0:1, changed state to down.
1d16h: DDR: Callback client for r3 239098 created
1d16h: BR3/0:1 PPP: Phase is TERMINATING [0 sess, 1 load]
1d16h: BR3/0:1 LCP: State is Closed
1d16h: BR3/0:1 PPP: Phase is DOWN [0 sess, 1 load]
1d16h: BR3/0:1 DDR: disconnecting call...
Success rate is 0 percent (0/5)
r5#
1d16h: DDR: No callback received from r3 239098
1d16h: DDR: Freeing callback to r3 239098
r5#
Atul
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