Re: isdn: no dialer-group, no good?

From: David Anderson (dma@xxxxxxxxx)
Date: Wed Jun 06 2001 - 14:43:45 GMT-3


   
I have also ran into something interesting in the last couple of
days....with only 2 weeks left from today until D-day
I am using dialer map statements on my calling and receiving routers and
have an interesting problem. On my calling router I have the following:
R1---calling router
int bri 0
ip address 133.1.100.5 255.255.255.252
encap ppp
dialer map ip 133.1.100.6 name router2 broadcast 5552222
dialer-group 1

dialer-list 1 protocol ip permit

R2----receiving router
int bri 0
ip address 133.1.100.5 255.255.255.252
encap ppp
dialer map ip 133.1.100.5 name router1 broadcast
dialer-group 1

dialer-list 1 protocol ip permit

When I use the above configs the calling router is not able to ping the
remote router. However if I add a dial string to the end of the dialer map
on the receiving router the ping works fine. This is not what I am after
though. I do not want to the receiving router to have a dial string,
because I don't want it to be able to initiate a call.
Any suggestions?

Any input is appreciated.
Thanks,
David

At 11:29 PM 6/5/2001 -0700, Daniel C. Young wrote:
>Folks,
>
>Scenario:
>I had one router with a dialer-group statement calling another router
>without the dialer statement. Dialer map and ppp authentication were in
>place. The call is placed, but no traffic can go through. Pings fail, no
>route exchange. When I configured 'dialer-group' on the called router
>WITHOUT a 'dialer-list' statement, the pings were successful and routing
>tables were updated.
>
>Question:
>Is a 'dialer-group' statement necessary in order to pass traffic through an
>isdn line? Or, was this an IOS bug?
>
>List of equipment used:
>ISDN Simulator: Emutel Solo
>Calling router: 2503 with 12.0(5)T ED Enterprise with IPSec 56
>Called router: 4500 with 12.0(17) GD Enterprise with F/W and IPSec 56
>
>Many thanks,
>
>Daniel C. Young
>Sr. Network Engineer
>CCNP (ATM, Security & Voice Specialist),
>CCDP, CCSE, MCSE+I
>
>SBC Internet Data Center
>(949) 221-1928 Work
>(714) 350-8945 Cell
>young@pobox.com
>**Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html



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