From: Joe Soricelli (jsoricelli@xxxxxxxx)
Date: Tue Jul 13 1999 - 12:36:57 GMT-3
Derek-
Can you send some configs? Defining LSAs as uninteresting should not have
to be done on a demand circuit.
-joe
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Joseph M. Soricelli, CCIE #4803, CCNP
EMAIL: jsoricelli@ccci.com
Chesapeake Computer Consultants, Inc.
8110 Gatehouse Road, Suite 101E Phone: (703) 207-0757
Falls Church, VA 22042 Fax: (703) 207-0441
FYI - About Chesapeake: We are a Cisco Certified Training and
professional services partner. We offer most of the Cisco
training courses as well as training for Fore, NetScout, and
CheckPoint-1 Firewalls. We provide network consulting services,
including design, network health, management, firewall,
and problem solving. We now have 21 CCIEs on our staff
of instructor/consultants.
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-----Original Message-----
From: Ron Trunk <rtrunk@xatlantic.com>
To: ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Tuesday, July 13, 1999 11:20 AM
Subject: Re: OSPF On-demand
>Derek
>
>You could configure your dialer list to define OSPF LSAs as uninteresting.
>This will stop LSAs from bringing up the ISDN line
>
>Ron
>
>-----Original Message-----
>From: Derek Fage <DerekF@itexjsy.com>
>To: ccielab@groupstudy.com <ccielab@groupstudy.com>
>Date: Tuesday, July 13, 1999 10:31 AM
>Subject: OSPF On-demand
>
>
>>I've got a bit of a problem with OSPF On-demand circuits.
>>
>>What I want to do is to use an OSPF On-demand circuit using ISDN to act as
>>the backup to ethernet interfaces between two routers.
>>
>>Due to the fact that it is possible for one ethernet interface to go down
>>and the other to remain up, I cannot use the backup interface command, so
I
>>have configured the ethernet interfaces and the BRI interfaces in the same
>>area.
>>
>>When doing a debug whilst the ISDN is up I see messages indicating that
the
>>demand circuit is running as expected:
>>15:47:56: OSPF: Dead event ignored for 137.20.224.5 on demand circuit BRI0
>>
>>The problem is that after two minutes the idle timer kicks in and the BRI
>>drops. At this stage it would appear that an LSA is generated indicating
>the
>>link state change and flooded out of all of the interfaces - including the
>>ISDN. This in turn brings the line up again and so it continues.
>>
>>Does anybody have any suggestions as to how to work around this ?
>>
>>Derek...
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