From: Peter (peter@cyscoexpert.com)
Date: Wed Dec 18 2002 - 13:59:45 GMT-3
Try to put "ppp callback request" on dialer1 interface in addition to your
physical interface.
__________________________
#7247 (R&S, Security)
CyscoExpert Corp.
4433 W. Touhy Ave. Suite 410
Lincolnwood, IL 60712
Phone (847) 674-3392
Fax (847) 674-2625
----- Original Message -----
From: "John Tafasi" <johntafasi@yahoo.com>
To: "Cisco Group Study" <cisco@groupstudy.com>; "ccielab"
<ccielab@groupstudy.com>
Sent: Wednesday, December 18, 2002 1:54 AM
Subject: Isdn callback problem
> Hi group,
>
> I have r2 which is configured to request callback from r5. The problem is
> that r2 does not wait for r5 to callback and will repeat the calling r5
and
> request callback. However r5 will eventually succeed and callback r2. My
> question is how can you prevent r2 from repeating the call to r5? I have
> pasted below the configuration for both routers and the output of "debug
> isdn q931" and "debug ppp authentication" on r2.
>
>
> r2#show run
> !
> version 11.3
> !
> hostname r2
> !
> username r5 password 7 13061E010803
> ip subnet-zero
> no ip domain-lookup
> isdn switch-type basic-ni1
> !
> !
> interface BRI0
> no ip address
> no ip directed-broadcast
> encapsulation ppp
> dialer pool-member 1
> isdn spid1 0835866101
> isdn spid2 0835866301
> ppp callback request
> !
> interface Dialer1
> ip address 10.10.10.1 255.255.255.0
> no ip directed-broadcast
> encapsulation ppp
> dialer remote-name r5
> dialer enable-timeout 1000
> dialer string 8358662
> dialer hold-queue 100 timeout 30
> dialer pool 1
> dialer-group 1
> ntp broadcast
> pulse-time 0
> ppp authentication chap
> !
> !
> map-class dialer eng
> access-list 1 deny any
> access-list 100 permit tcp any any eq telnet
> access-list 100 permit icmp any any
> dialer-list 1 protocol ip list 100
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> transport input none
> line aux 0
> line vty 0 4
> exec-timeout 0 0
> password 7 06101B38
> login
> telnet break-on-ip
> telnet ip-on-break
> !
> ntp clock-period 17179853
> end
>
> r2#
>
> =================
>
> r5#show run
> version 12.2
> !
> hostname r5
> username r2 password 7 045802150C2E
> no ip domain-lookup
> !
> isdn switch-type basic-ni
> !
> !
> !
> !
> !
> interface BRI0
> ip address 10.10.10.2 255.255.255.0
> encapsulation ppp
> dialer callback-secure
> dialer map ip 10.10.10.1 name r2 class eng broadcast 8358661
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 0835866201
> isdn spid2 0835866401
> cdapi buffers regular 0
> cdapi buffers raw 0
> cdapi buffers large 0
> ppp callback accept
> ppp authentication chap
> ppp chap hostname r5
> !
> !
> map-class dialer eng
> dialer callback-server username
> access-list 100 permit tcp any any eq telnet
> access-list 100 permit icmp any any
> dialer-list 1 protocol ip list 100
> !
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> transport input none
> line aux 0
> line vty 0 4
> password 7 045802150C2E
> login
> autocommand access-enable host timeout 5
> !
> ntp clock-period 17179628
> ntp master 4
> ntp peer 10.10.110.16
> end
>
> r5#
>
> ==============
> r2#show debug
> ISDN:
> ISDN Q931 packets debugging is on
> r2#debu ppp authen
> PPP authentication debugging is on
> r2#
> r2#ping 10.10.10.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.10.10.2, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
> r2#
> .Mar 2 11:01:03.477: ISDN BR0: TX -> SETUP pd = 8 callref = 0x04
> .Mar 2 11:01:03.481: Bearer Capability i = 0x8890
> .Mar 2 11:01:03.485: Channel ID i = 0x83
> .Mar 2 11:01:03.485: Keypad Facility i = '8358662'
> .Mar 2 11:01:03.529: ISDN BR0: RX <- CALL_PROC pd = 8 callref = 0x84
> .Mar 2 11:01:03.529: Channel ID i = 0x89
> .Mar 2 11:01:03.681: ISDN BR0: RX <- CONNECT pd = 8 callref = 0x84
> .Mar 2 11:01:03.693: %LINK-3-UPDOWN: Interface BRI0:1, changed state to
up
> .Mar 2 11:01:03.721: %DIALER-6-BIND: Interface BRI0:1 bound to profile
> Dialer1
> .Mar 2 11:01:03.733: BR0:1 PPP: Treating connection as a callout
> .Mar 2 11:01:03.733: ISDN BR0: TX -> CONNECT_ACK pd = 8 callref = 0x04
> .Mar 2 11:01:05.797: BR0:1 PPP: Phase is AUTHENTICATING, by the peer
> .Mar 2 11:01:07.653: BR0:1 PPP: Phase is AUTHENTICATING, by the peer
> .Mar 2 11:01:07.673: BR0:1 CHAP: I CHALLENGE id 195 len 23 from "r5"
> .Mar 2 11:01:07.681: BR0:1 CHAP: O RESPONSE id 195 len 23 from "r2"
> .Mar 2 11:01:07.705: BR0:1 CHAP: I SUCCESS id 195 len 4
> .Mar 2 11:01:07.769: %LINEPROTO-5-UPDOWN: Line protocol on Interface
> BRI0:1, changed state to up
> .Mar 2 11:01:07.777: ISDN BR0: RX <- DISCONNECT pd = 8 callref = 0x84
> .Mar 2 11:01:07.777: Cause i = 0x8090 - Normal call clearing
> .Mar 2 11:01:07.797: %ISDN-6-DISCONNECT: Interface BRI0:1 disconnected
> from 8358662 , call lasted 4 seconds
> .Mar 2 11:01:07.801: %LINK-3-UPDOWN: Interface BRI0:1, changed state to
> down
> .Mar 2 11:01:07.833: %DIALER-6-UNBIND: Interface BRI0:1 unbound from
> profile Dialer1
> .Mar 2 11:01:07.837: ISDN BR0: TX -> RELEASE pd = 8 callref = 0x04
> .Mar 2 11:01:07.857: ISDN BR0: RX <- RELEASE_COMP pd = 8 callref = 0x84
> .Mar 2 11:01:08.773: %LINEPROTO-5-UPDOWN: Line protocol on Interface
> BRI0:1, changed state to down
> .Mar 2 11:01:09.477: ISDN BR0: TX -> SETUP pd = 8 callref = 0x05
> .Mar 2 11:01:09.481: Bearer Capability i = 0x8890
> .Mar 2 11:01:09.481: Channel ID i = 0x83
> .Mar 2 11:01:09.485: Keypad Facility i = '8358662'
> .Mar 2 11:01:09.525: ISDN BR0: RX <- CALL_PROC pd = 8 callref = 0x85
> .Mar 2 11:01:09.529: Channel ID i = 0x89
> .Mar 2 11:01:09.689: ISDN BR0: RX <- CONNECT pd = 8 callref = 0x85
> .Mar 2 11:01:09.705: %LINK-3-UPDOWN: Interface BRI0:1, changed state to
up
> .Mar 2 11:01:09.733: %DIALER-6-BIND: Interface BRI0:1 bound to profile
> Dialer1
> .Mar 2 11:01:09.741: BR0:1 PPP: Treating connection as a callout
> .Mar 2 11:01:09.745: ISDN BR0: TX -> CONNECT_ACK pd = 8 callref = 0x05
> .Mar 2 11:01:11.809: BR0:1 PPP: Phase is AUTHENTICATING, by the peer
> .Mar 2 11:01:13.657: BR0:1 PPP: Phase is AUTHENTICATING, by the peer
> .Mar 2 11:01:13.681: BR0:1 CHAP: I CHALLENGE id 196 len 23 from "r5"
> .Mar 2 11:01:13.689: BR0:1 CHAP: O RESPONSE id 196 len 23 from "r2"
> .Mar 2 11:01:13.709: BR0:1 CHAP: I SUCCESS id 196 len 4
> .Mar 2 11:01:13.773: ISDN BR0: RX <- DISCONNECT pd = 8 callref = 0x85
> .Mar 2 11:01:13.777: Cause i = 0x8090 - Normal call clearing
> .Mar 2 11:01:13.793: %ISDN-6-DISCONNECT: Interface BRI0:1 disconnected
> from 8358662 , call lasted 4 seconds
> .Mar 2 11:01:13.797: %LINK-3-UPDOWN: Interface BRI0:1, changed state to
> down
> .Mar 2 11:01:13.829: %DIALER-6-UNBIND: Interface BRI0:1 unbound from
> profile Dialer1
> .Mar 2 11:01:13.837: ISDN BR0: TX -> RELEASE pd = 8 callref = 0x05
> .Mar 2 11:01:13.853: ISDN BR0: RX <- RELEASE_COMP pd = 8 callref = 0x85
> r2#
> .Mar 2 11:01:22.785: ISDN BR0: RX <- SETUP pd = 8 callref = 0x0E
> .Mar 2 11:01:22.785: Bearer Capability i = 0x8890
> .Mar 2 11:01:22.789: Channel ID i = 0x89
> .Mar 2 11:01:22.793: Calling Party Number i = 0x80, '8358662'
> .Mar 2 11:01:22.801: %DIALER-6-BIND: Interface BRI0:1 bound to profile
> Dialer1
> .Mar 2 11:01:22.805: %LINK-3-UPDOWN: Interface BRI0:1, changed state to
up
> r2#
> .Mar 2 11:01:22.837: BR0:1 PPP: Treating connection as a callin
> .Mar 2 11:01:22.849: ISDN BR0: TX -> CONNECT pd = 8 callref = 0x8E
> .Mar 2 11:01:22.853: Channel ID i = 0x89
> .Mar 2 11:01:22.961: ISDN BR0: RX <- CONNECT_ACK pd = 8 callref = 0x0E
> r2#
> .Mar 2 11:01:26.889: BR0:1 PPP: Phase is AUTHENTICATING, by the peer
> .Mar 2 11:01:26.901: BR0:1 CHAP: I CHALLENGE id 197 len 23 from "r5"
> .Mar 2 11:01:26.909: BR0:1 CHAP: O RESPONSE id 197 len 23 from "r2"
> .Mar 2 11:01:26.933: BR0:1 CHAP: I SUCCESS id 197 len 4
> r2#
> .Mar 2 11:01:27.865: %LINEPROTO-5-UPDOWN: Line protocol on Interface
> BRI0:1, changed state to up
> r2#
> .Mar 2 11:01:28.837: %ISDN-6-CONNECT: Interface BRI0:1 is now connected
to
> 8358662 8358662
> r2#
> .
.
This archive was generated by hypermail 2.1.4 : Fri Jan 17 2003 - 17:21:48 GMT-3