Re: OSPF over broadcast - drop mulitcast. posted 06/10/2004
Thanks Mal for the information.
----- Original Message -----
From: "Malcolm Price" <malcolm.price@xxxxxxxxxxx>
To: "Karim" <karim_ccie@xxxxxxxxxxx>
Sent: Friday, June 11, 2004 1:42 AM
Subject: RE: OSPF over broadcast - drop mulitcast.
> I do apologise, I totally mis-read your question in relation to ethernet.
> I have a rack online, I'll try a few scenarios and get back to you, but
> using passive interface will block multicast and stop hellos yes. FYI,
> neighbor statements are allowed only on point-to-multipoint or NBMA
> CCIE #10607
> -----Original Message-----
> From: Karim [mailto:karim_ccie@xxxxxxxxxxx]
> Sent: 10 June 2004 23:18
> To: malcolm.price@xxxxxxxxxxx
> Cc: ccielab@xxxxxxxxxxxxxx
> Subject: Re: OSPF over broadcast - drop mulitcast.
> This would be a perfect solution for RIP because adjacency doesn't depend
> hello but for ospf won't the passive interface stop hello packects and in
> turn stops adjacency ??? what's your opinion ??
> ----- Original Message -----
> From: "Malcolm Price" <malcolm.price@xxxxxxxxxxx>
> To: "Karim" <karim_ccie@xxxxxxxxxxx>
> Cc: <ccielab@xxxxxxxxxxxxxx>
> Sent: Friday, June 11, 2004 1:08 AM
> Subject: RE: OSPF over broadcast - drop mulitcast.
> > Karim,
> > I've programmed exactly the same problem using rip and that worked 100%.
> > I.e. specifying passive ethernet interface and a unicast neighbor.
> > FYI, this is what I used:
> > router rip
> > passive-interface Ethernet0
> > network 192.168.1.0
> > neighbor 192.168.1.100
> > distribute-list 2 out Ethernet0
> > distribute-list 1 in Ethernet0
> > no auto-summary
> > I'd say yes, but try it first.
> > Cheers,
> > Mal
> > CCIE #10607
> > -----Original Message-----
> > From: nobody@xxxxxxxxxxxxxx [mailto:nobody@xxxxxxxxxxxxxx]On Behalf Of
> > Karim
> > Sent: 10 June 2004 21:37
> > To: ccielab@xxxxxxxxxxxxxx
> > Subject: OSPF over broadcast - drop mulitcast.
> > Hi all,
> > Need your help in the following problem:
> > Having two routers on the same ethernet segment, asked to drop multicast
> > traffic betwen the two routers. Meanwhile make sure that adjacecny will
> > still
> > established between the two routers.
> > I was thinking about a passive interface on both routers but passive
> > interface
> > will drop the adjacency. So would it be solved with passive plus
> > command on both routers ?? Any ideas ??? am I thinking in the right
> > direction
> > ??
> > Thanks in advance,
> > Karim.
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