From: Nathan Chessin (nchessin@cisco.com)
Date: Thu Oct 17 2002 - 01:07:27 GMT-3
you can use this command on the ABR or ASBR to not allow type 7 LSA to be
translated to type 5 LSA, but does this command work with normal areas? I
*believe* this is only for NSSA areas. Any verification?
Nate
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Nick Shah
> Sent: Wednesday, October 16, 2002 8:28 PM
> To: Donny MATEO; ccielab@groupstudy.com
> Subject: Re: Filtering OSPF LSA type 3
>
>
> Try using area-range xxx NOT-ADVERTISE option. I guess its available
> starting 12.1.
>
> IP ospf database filter, filters out 'all' LSA's.
>
> Thanks
> Nick
> ----- Original Message -----
> From: "Donny MATEO" <donny.mateo@sg.ca-indosuez.com>
> To: <ccielab@groupstudy.com>
> Sent: Thursday, October 17, 2002 12:37 PM
> Subject: RE: Filtering OSPF LSA type 3
>
>
> > can't find this ospf filter-list command on 12.1(13).
> > Can you tell me where this command is or does it require higher IOS
> version ?
> >
> > Donny
> >
> >
> >
> > Senthil Kumar
> > <senthil.kumar@intechno To:
> Peter van
> Oene <pvo@usermail.com>, Senthil Kumar
> > logy.co.uk>
> <senthil.kumar@intechnology.co.uk>, Dimitris Vassilopoulos
> > Sent by:
> <Dimitris.Vassilopoulos@eurodyn.com>, ccielab@groupstudy.com
> > nobody@groupstudy.com cc:
> > Subject: RE:
> Filtering OSPF LSA type 3
> >
> > 16-10-2002 21:12
> > Please respond to
> > Senthil Kumar
>
> >
> >
> >
> >
> >
> >
> > 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/ios1
> 22/122newft/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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