[nsp] multicast flows and dev/null
jared at puck.nether.net
Thu Feb 5 14:00:11 EST 2004
On Thu, Feb 05, 2004 at 08:58:14PM +0200, Hank Nussbacher wrote:
> At 11:38 AM 04-02-04 -0500, Jared Mauch wrote:
> >On Wed, Feb 04, 2004 at 05:26:38PM +0100, Francisco Gracia wrote:
> >> Hi,
> >> I am afraid I am seeing the same issue you saw in your network and cause
> >> your posted message of Mon Aug 4 19:27:44 EDT 2003:
> > the address you show is the 'sdr' (aka sap) multicast group.
> > this is a dense-mode multicast group that is flooded across the
> >entire network in order to broadcast announcements about active multicast
> I know all that. I just don't understand why it is nullrouting some of the
> flows to that address:
> AT1/1/0.34 18.104.22.168 Null 22.214.171.124 11 0405 2693
> AT1/1/0.34 126.96.36.199 Null 188.8.131.52 11 0405 2693
> AT1/1/0.34 184.108.40.206 Null 220.127.116.11 11 8006 2693
It's not null routing them. This is "just the way" it shows up
in the netflow data.
Jared Mauch | pgp key available via finger from jared at puck.nether.net
clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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