From: Yasir Zaman (yasirzaman2001@xxxxxxxx)
Date: Tue Jul 23 2002 - 04:40:03 GMT-3
You are Right Ivan,In Ospf Demand Circuit when ever there is a Topology change,
the Link would go up and update its data base.
Yasir
----- Original Message -----
From: "Ivan" <limmt@lycosasia.com>
Date: Mon, 22 Jul 2002 20:16:22 +0800
To: <ccielab@groupstudy.com>
Subject: OSPF keeps bringing up DDR across asyn line
> Hi,
>
> I've configured AUX back to back to simulate DDR across ISDN.
> I've also configure it as a IP OSPF Demand Circuit.
>
> However OSPF continues to bring up the link.
> The link is under an OSPF area 10.
>
> The debug dialer shows the reason for the link being bring up:
> -------------------------------------------------------------
> Mar 4 03:59:57.249 EST: As1 DDR: rotor dialout [priority]
> Mar 4 03:59:57.253 EST: As1 DDR: Dialing cause ip (s=110.99.25.2, d=224.0.0.
5)
> Mar 4 03:59:57.257 EST: As1 DDR: Attempting to dial 1234
> Mar 4 03:59:57.257 EST: CHAT1: Attempting async line dialer script
> Mar 4 03:59:57.261 EST: CHAT1: Dialing using Modem script: isdn & System scr
ipt
> : none
> Mar 4 03:59:57.269 EST: CHAT1: process started
> Mar 4 03:59:57.269 EST: CHAT1: Asserting DTR
> Mar 4 03:59:58.197 EST: CHAT1: Chat script isdn started
> Mar 4 03:59:58.201 EST: CHAT1: Chat script isdn finished, status = Success
> MU-R2#
>
> ----------------------------------------------------------------
>
> Since the hello is suppressed over the point to point dialer link,
> I'm not sure what OSPF is sending out on the all router multicast address acr
oss the dialer interface. The other reason i can think of is when a topology ch
ange that trigger the link but there is none.
>
> Appreciate if anyone can advice on this.
>
> Thanks
> Ivan Lim
>
> ------------------------------------------------------------------------
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