From: Mas Kato (tealp729@xxxxxxxx)
Date: Sun Apr 22 2001 - 23:42:48 GMT-3
Tom,
The demand circuit does need to come up once to form the neighbor
relationship and negotiate the fact that it is a demand circuit, but if
your demand circuit never quiets down, it's probably due to chronic
underlying link-state changes, for example, flapping because of feedback
from mutual route redistribution. If you make OSPF non-interesting,
depending on when you do it, the neighbor relationship may never form or
the LSDBs will become unsynchronized.
Dialer watch just monitors watched networks in the routing table to
ensure that they are reachable via anything besides the backup interface
it is configured on. If dialer watch triggers the dial, 'show dialer'
will indicate that the dial reason was 'watched route loss,' or
something like that.
Have you tried debugging ip routing to see if routes are constantly
being installed and withdrawn, etc.?
There's also plenty more experience captured in the archives...
Regards,
Mas Kato
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Tom Daniel
Sent: Sunday, April 22, 2001 6:25 PM
To: ccielab
Subject: ISDN backup
Is it possible to use the the ip ospf demand-circuit with the dialer
watch
command. I have tried it but it looks the the 224.0.0.5 brings the
circuit
up. I think I will have to filter this with my dialer-list access list.
any
thoughts?
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