From: Nathan Chessin (nchessin@cisco.com)
Date: Thu Oct 17 2002 - 14:16:49 GMT-3
you can on certain platforms, but not for the lab.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120
limit/120s/120s15/fiarospf.htm
Nate
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Peter van Oene
> Sent: Wednesday, October 16, 2002 6:17 AM
> To: Senthil Kumar
> Cc: ccielab@groupstudy.com
> Subject: RE: Filtering OSPF LSA type 3
>
>
> You can filter the _generation_ of type 3 LSA's on the
> originating ABR, but
> you can't filter the reception of LSA's.
>
> At 02:12 PM 10/16/2002 +0100, you wrote:
> >you can filter lsa's with ospf filter-list
> >
> >-----Original Message-----
> >From: Peter van Oene [mailto:pvo@usermail.com]
> >Sent: 16 October 2002 14:06
> >To: Senthil Kumar; Dimitris Vassilopoulos; ccielab@groupstudy.com
> >Subject: RE: Filtering OSPF LSA type 3
> >
> >
> >Keep in mind that you can't filter LSAs. You can filter routing
> >information as it moves from the LSDB to the local routing
> table, but not
> >the reception and publication of the LSAs to the LSDB. Filtering LSA
> >reception would directly violate the specifications and
> likely lead to
> >routing instability as SPF is only effective when everyone
> looks at the
> >same topology.
> >
> >At 01:58 PM 10/16/2002 +0100, Senthil Kumar wrote:
> > >true, but what if you want to filter some lsa-3
> only..distribute list might
> > >help when introduced on inbound routes at all peers.wont it?
> > >
> > >-----Original Message-----
> > >From: Peter van Oene [mailto:pvo@usermail.com]
> > >Sent: 16 October 2002 13:36
> > >To: Dimitris Vassilopoulos; ccielab@groupstudy.com
> > >Subject: Re: Filtering OSPF LSA type 3
> > >
> > >
> > >All you can do here is use the totally stubby knob on the
> ABR(s). Once the
> > >LSA is in the area, it is mandatory that all area resident
> routers receive
> > >the LSA and correctly process it. Distribute-list in
> simply prevents any
> > >relevant reachability information from making it to the
> local routing
> > >table, but has no effect on LSA's.
> > >
> > >At 01:35 PM 10/16/2002 +0300, Dimitris Vassilopoulos wrote:
> > > >Team,
> > > >
> > > >Cisco says in
> > >
> >
>http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/12
> >2t/122t4/ftabrt3f.htm
> > >
> > >that if you want to filter OSPF type 3 LSA you have to run 12.2(4)T.
> > >I know that the image running in the lab is 12.1.x
> > >
> > >What if we're asked to filter inbound type 3 LSAs from a BB router?
> > >We must use " distribute-list x in " in EVERY ospf router ?
> > >
> > >Any comment on that would be appreciated...
> > >
> > >Dimitris
> >
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