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Re: Redist dist-list problems posted 07/23/1999
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Yes, that is 100% correct.

I was referring only to filtering routes among OSPF routers and not any
redistributions from other protocols.  Sorry for the confusion.

Mark Detrick
DSL Business Unit
Cisco Systems
2569 McCabe Way
Irvine, CA  92614
----- Original Message -----
From: Ron Trunk <rtrunk@xxxxxxxxxxxxx>
To: Mark, Detrick <mdetrick@xxxxxxxxx>; <ccielab@xxxxxxxxxxxxxx>
Sent: Friday, July 23, 1999 10:23 AM
Subject: Re: Redist dist-list problems


>
>
> >Pamela is right in that LS routing protos can't be filtered the way that
DV
> >can be.
> >
>
> I agree 100%
>
> >The routes in OSPF are calculated by SPF from LSA and no routes are
> >transferred amoung routers in the area at any time.  However, I think
with
> >distribute-list you can filter routes that are calculated by OSPF and
then
> >put INto the table.  This is only effective on the local router,
therefore,
> >to eliminate a route from all routers in an OSPF area you would have to
put
> >this statement on all the routers.  The LSAs would not  be effected.
> >
>
> But if that router is the distribution router, as in Bill's case, it would
> make sense, since he is filtering routers learned from outside the domain
> (e.g. RIP).   If the routes are filtered before they get into the routing
> table, OSPF won't redistribute them to the other OSPF routers.
>
> Ron
>
>
>
>
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