Justification for use of Dialer-watch in OSPF

From: Curtis Phillips (cphillips@xxxxxxxxxx)
Date: Sat May 11 2002 - 12:28:55 GMT-3

   
Hello All,

I was thinking about the use of Dialer-watch with OSPF over ISDN. I know that
demand-circuits are used in conjunction with dialer-watch in the same manner
as protocol packets are filtered by dialer-lists fro EIGRP or IGRP.

Demand interfaces allow the dialer to bypass keep-alives and to dial only
when there is a change (addition or deletion) of LSA in the OSPF database.

It seems to me that demand circuits would adequately cover the suppression of
dial related to anything other than a change in database LSAs. So, I wonder
what the perceived benefit is of using dialer-watch with OSPF. Unless it is to
track routes that are not in the OSPF process.

Any thoughts?

Thanks,

Curtis

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