Re: ISDN callback scenario w/ Dialer interface??

From: Nick Shah (nshah@xxxxxxxxxxxxxx)
Date: Sat Mar 23 2002 - 22:42:55 GMT-3


   
I doubt if it could be done on dialer interface.. primarily because you need
to bind the remote name with the phone number ... you can try dialer
remote-name, dialer string and dialer map-class (under map-class specify
dialer callback-server username)

Nick

-----Original Message-----
From: Steven.Dill@us.didata.com <Steven.Dill@us.didata.com>
To: nshah@connect.com.au <nshah@connect.com.au>; Upp_and_Upp@hotmail.com
<Upp_and_Upp@hotmail.com>; labccie@yahoo.com <labccie@yahoo.com>;
mamoor@ieee.org <mamoor@ieee.org>; ccielab@groupstudy.com
<ccielab@groupstudy.com>
Date: Sunday, 24 March 2002 11:36
Subject: RE: ISDN callback scenario w/ Dialer interface??

>Can this be done on a dialer interface??
>
>I am attempting to do this and my first call attempt (ping) is a success.
>After the line disconnects and I attempt to ping again and it fails.
>
>(Calling Router)
>
>interface BRI0
> no ip address
> no ip route-cache
> no ip mroute-cache
> dialer pool-member 1
> isdn switch-type basic-ni
> isdn spid1 0835866101 8358661
> isdn spid2 0835866301 8358663
>!
>interface Dialer1
> ip address 122.3.34.1 255.255.255.252
> encapsulation ppp
> ip ospf message-digest-key 1 md5 cisco
> dialer remote-name r4
> dialer pool 1
> dialer idle-timeout 10
> dialer string 8358662
> dialer watch-group 1
> dialer-group 1
> ppp callback request
> ppp authentication chap
> ppp chap hostname cisco
> ppp chap password 7 1511021F072
>
>(Callback Router)
>
>interface BRI0
> no ip address
> no ip route-cache
> no ip mroute-cache
> dialer pool-member 1
> isdn switch-type basic-ni
> isdn spid1 0835866201 8358662
> isdn spid2 0835866401 8358664
>!
>interface Dialer1
> ip address 122.3.34.2 255.255.255.252
> encapsulation ppp
> no ip route-cache
> ip ospf message-digest-key 1 md5 cisco
> no ip mroute-cache
> dialer pool 1
> dialer callback-secure
> dialer-group 1
> ppp callback accept
> ppp authentication chap
>
>
>
>Thank you!!!
>
>
>
>-----Original Message-----
>From: Nick Shah [mailto:nshah@connect.com.au]
>Sent: Saturday, March 23, 2002 7:16 PM
>To: Sean C.; Lab Candidate; Ahmed Mamoor Amimi; ccielab@groupstudy.com
>Subject: Re: ISDN callback scenario
>
>
>well atleast, you have multilink configured on both ends , LAB Candidate
>(cant the name be simpler :) doesnt ...
>
>In real life , I have found more IOS's where Multilink PPP doesnt work
>properly than in which it works...
>
>Nick
>-----Original Message-----
>From: Sean C. <Upp_and_Upp@hotmail.com>
>To: Nick Shah <nshah@connect.com.au>; Lab Candidate <labccie@yahoo.com>;
>Ahmed Mamoor Amimi <mamoor@ieee.org>; ccielab@groupstudy.com
><ccielab@groupstudy.com>
>Date: Sunday, 24 March 2002 10:56
>Subject: Re: ISDN callback scenario
>
>
>>Hello,
>>
>>Well, I just took my stab at the callback scenario and it worked fine
using
>>the configs from Lab candidate (do you need to be that anonymous?). I
also
>>added the commands 'dialer enable-timeout 5' on the callback router and
>>'dialer wait-for-carrier 10' but the callback worked whether these were
>>configured or not.
>>
>>The only thing I can't guarantee is my multilink. I have it enabled on
>both
>>sides butttt sometimes the multilink works, sometimes multilink doesn't
>>work. I have a feeling it's more my simulator or the code than anything.
>>The calls still go through, just sometimes the 2nd channel doesn't get
>>brought up.
>>
>>IOS r5 - Version 12.1(8)
>>IOS r6 - Version 12.1(12)
>>!
>>hostname r5
>>!
>>username r6 password 0 cisco
>>!
>>interface BRI0
>> description Callback router
>> ip address 40.40.40.2 255.255.255.0
>> encapsulation ppp
>> dialer callback-secure
>> dialer enable-timeout 5
>> dialer map ip 40.40.40.1 name r6 class test broadcast 2221
>> dialer map ip 40.40.40.1 name r6 class test broadcast 2222
>> dialer load-threshold 3 either
>> dialer-group 1
>> isdn switch-type basic-net3
>> isdn spid1 1111
>> isdn spid2 1112
>> ppp callback accept
>> ppp authentication chap
>> ppp multilink
>>!
>>map-class dialer test
>> dialer callback-server username
>>!
>>dialer-list 1 protocol ip permit
>>!
>>=============================
>>hostname r6
>>!
>>username r5 password 0 cisco
>>!
>>interface BRI0
>> description Calling router
>> ip address 40.40.40.1 255.255.255.0
>> encapsulation ppp
>> dialer wait-for-carrier-time 10
>> dialer map ip 40.40.40.2 name r5 broadcast 1111
>> dialer map ip 40.40.40.2 name r5 broadcast 1112
>> dialer load-threshold 3 either
>> dialer-group 1
>> isdn switch-type basic-net3
>> isdn spid1 2221
>> isdn spid2 2222
>> no peer neighbor-route
>> ppp callback request
>> ppp authentication chap
>> ppp multilink
>>!
>>dialer-list 1 protocol ip permit
>>!
>>
>>
>>r6#p
>>Target IP address: 40.40.40.2
>>Repeat count [5]: 15
>>Datagram size [100]: 1500
>>Type escape sequence to abort.
>>Sending 15, 1500-byte ICMP Echos to 40.40.40.2, timeout is 2 seconds:
>>00:44:01: %LINK-3-UPDOWN: Interface BRI0:2, changed state to up
>>00:44:01: %LINK-3-UPDOWN: Interface BRI0:2, changed state to down..
>>00:44:07: %LINK-3-UPDOWN: Interface BRI0:2, changed state to up
>>00:44:07: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to
>up.!!!
>>00:44:08: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0:2, changed
>>state to up
>>00:44:08: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1,
>>changed state to up!!!!!!!!
>>Success rate is 73 percent (11/15), round-trip min/avg/max = 384/388/396
ms
>>00:44:13: %ISDN-6-CONNECT: Interface BRI0:2 is now connected to 1111 r5
>>
>>The initial up/down/up on the r6's output is the calling going to r5,
>>accepted by r5, r5 disconnecting per callback feature, and the r5
>>successfully calling r6 back.
>>
>>HTH,
>>Sean
>>
>>
>>----- Original Message -----
>>From: "Nick Shah" <nshah@connect.com.au>
>>To: "Lab Candidate" <labccie@yahoo.com>; "Ahmed Mamoor Amimi"
>><mamoor@ieee.org>; <ccielab@groupstudy.com>
>>Sent: Saturday, March 23, 2002 2:10 PM
>>Subject: Re: ISDN callback scenario
>>
>>
>>hmm...on one router you have got ppp multilink configured on the client
>>side, and not on the server, This *may* cause dialer callback-secure to
>>reject the call as improperly configured. try removing ppp multilink.
>>
>>If that still doesnt resolve the issue, I would do a debug on ppp nego. &
>>authentication and see that r2/r3 is getting authenticated and negotiating
>>call back parameters...
>>
>>hth
>>Nick
>>
>>-----Original Message-----
>>From: Lab Candidate <labccie@yahoo.com>
>>To: Ahmed Mamoor Amimi <mamoor@ieee.org>; ccielab@groupstudy.com
>><ccielab@groupstudy.com>
>>Date: Saturday, 23 March 2002 8:47
>>Subject: Re: ISDN callback scenario
>>
>>
>>>I took out dialer callback secure and it still desn't work giving the
same
>>error message "callback
>>>is not configured for user r2". But it works perfectly when I changed it
>to
>>caller ID callback.
>>>Any ider what's going on here?
>>>
>>>
>>>--- Ahmed Mamoor Amimi <mamoor@ieee.org> wrote:
>>>> first try this with the minimum config.
>>>> remove the call-back secure then try.
>>>>
>>>> i was wondering if call-back works with multilink.. !! let me know ..
>>>>
>>>> -Mamoor
>>>>
>>>>
>>>> ----- Original Message -----
>>>> From: Lab Candidate <labccie@yahoo.com>
>>>> To: <ccielab@groupstudy.com>
>>>> Sent: Saturday, March 23, 2002 12:59 PM
>>>> Subject: ISDN callback scenario
>>>>
>>>>
>>>> > r2 and r3 are setup with basic ISDN callback as below.
>>>> > r2 callback client, r3 callback server.
>>>> > everything is configured as CCO example, but when r2 calls r3
>>>> > when r2 pings r3, r2 calls and disconnects, and waiting for r3.
>>>> > but r3 never calls back.
>>>> > r3 debug says "callback is not configured for user r2"
>>>> > debug output and r2/r3 configs attached below.
>>>> > what's the problem here please?
>>>> >
>>>> > r3#
>>>> > 2d05h: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up
>>>> > 2d05h: BR0/0:1 DDR: No callback configured for user r2.
>>>> > 2d05h: BR0/0:1 DDR: disconnecting call
>>>> > 2d05h: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to 2588
r2
>>>> > 2d05h: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to down
>>>> > 2d05h: BR0/0:1 DDR: disconnecting call
>>>> >
>>>> > ===============r2==================
>>>> > version 12.2
>>>> > service timestamps debug uptime
>>>> > service timestamps log uptime
>>>> > no service password-encryption
>>>> > !
>>>> > hostname r2
>>>> > !
>>>> > no logging buffered
>>>> > !
>>>> > username r3 password 0 cisco
>>>> > ip subnet-zero
>>>> > !
>>>> > !
>>>> > interface BRI0/0
>>>> > ip address 40.40.40.1 255.255.255.0
>>>> > encapsulation ppp
>>>> > dialer map snapshot 1 name r3 broadcast 2589
>>>> > dialer map ip 40.40.40.2 name r3 broadcast 2589
>>>> > dialer load-threshold 50 either
>>>> > dialer-group 1
>>>> > isdn switch-type basic-ni
>>>> > isdn spid1 2588 2588
>>>> > isdn spid2 3588 3588
>>>> > no cdp enable
>>>> > ppp callback request
>>>> > ppp authentication chap
>>>> > ppp multilink
>>>> > !
>>>> > dialer-list 1 protocol ip permit
>>>> > !
>>>> > !
>>>> > line con 0
>>>> > exec-timeout 0 0
>>>> > line aux 0
>>>> > line vty 0 4
>>>> > password tts
>>>> > no login
>>>> > !
>>>> > end
>>>> >
>>>> > r2#
>>>> >
>>>> >
>>>> > ============r3=============
>>>> > version 12.2
>>>> > service timestamps debug uptime
>>>> > service timestamps log uptime
>>>> > no service password-encryption
>>>> > !
>>>> > hostname r3
>>>> > !
>>>> > !
>>>> > username r2 password 0 cisco
>>>> > ip subnet-zero
>>>> > !
>>>> > isdn switch-type basic-ni
>>>> > !
>>>> > interface BRI0/0
>>>> > ip address 40.40.40.2 255.255.255.0
>>>> > encapsulation ppp
>>>> > dialer callback-secure
>>>> > dialer map snapshot 1 name r2 broadcast 2588
>>>> > dialer map ip 40.40.40.1 name r2 class dc1 broadcast 2588
>>>> > dialer-group 1
>>>> > isdn switch-type basic-ni
>>>> > isdn spid1 2589 2589
>>>> > isdn spid2 3589 3589
>>>> > snapshot server 5 dialer
>>>> > ppp callback accept
>>>> > ppp authentication chap
>>>> > !
>>>> > map-class dialer dc1
>>>> > dialer callback-server username
>>>> >
>>>> > dialer-list 1 protocol ip permit
>>>> > !
>>>> > line con 0
>>>> > line aux 0
>>>> > line vty 0 4
>>>> > password tts
>>>> > no login
>>>> > !
>>>> > ntp master 1
>>>> > end
>>>> >
>>>> > r3#
>>>> >



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