From: Ivan (limmt@xxxxxxxxxxxxx)
Date: Mon Jul 22 2002 - 21:57:17 GMT-3
Hi Ray,
I used Dialer interface, but I'm still having the sa,e issues.
Regards,
Ivan Lim
-----Original Message-----
From: "perkinsr@WellsFargo.COM" <perkinsr@WellsFargo.COM>
Sent: Tuesday, July 23, 2002 3:21 AM
To: "limmt@lycosasia.com" <limmt@lycosasia.com>, "ccielab@groupstudy.com" <
ccielab@groupstudy.com>
Subject: RE: OSPF keeps bringing up DDR across asyn line
I had this problem, if you look very carefully you will see that the async
line is going from up->reset->down. When the interface goes into reset this
seems to trigger LSA generation for demand circuit interfaces and flash
updates for DV protocols. The only way I have found to stop this is to use
a dialer interface. It is mostly the same, half the commands go on the
async interface and half on the dialer.
If you find another work around, let me know I am very interested.
Ray
-----Original Message-----
From: Ivan [mailto:limmt@lycosasia.com]
Sent: Monday, July 22, 2002 5:16 AM
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
script
: 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
across the dialer interface. The other reason i can think of is when a
topology change that trigger the link but there is none.
Appreciate if anyone can advice on this.
Thanks
Ivan Lim
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