Re: OSPF and Filtering

From: Chuah Eng Wee (chuahew@xxxxxxxxxxxxxxx)
Date: Fri Jul 09 1999 - 01:40:42 GMT-3


   
   Ben,
   (1)distribute lists is used to filter routes in/out of the routing
   table. It does not filter LSAs.
   WIthin link state domain, it has limited use.
   (2) if u specify passive interface for the loopback interface, it
   means that no update will be sent out that
   loopback interface. BUT, the network for that loopback interface will
   still be sent out to your other interfaces.
   HTH
   Eng Wee
   At 00:27 09/07/99 -0400, you wrote:
>>>>
   
     4 days guys.... I appreciate all of you that have graciously
     answered my questions. 2 QUESTIONS: 1. Since OSPF is a Link State
     Protocol, how can you use distribute lists to filter protocols
     in/out of the ospf route table? Is this a case where you would have
     to get friendly with a route-map? 2. On a router running IGRP, I
     have noticed that eventhough I specify passive on my loopback
     interfaces under IGRP, they get advertised out to my IGRP domain.
     Is this characteristic of IGRP? I'm having a brain freeze here,
     please help. Thanks, Benjy Rife
     MCSE, CNE, CCIE Candidate
     brife@bignet.net
     www.bignet.net/~brife
     



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