This means something is sending traffic to a multicast address.
multicast is similar to broadcast except hosts have to join a multicast group
to pick up the traffic. What is the source address on the packets this should give
you an idea on if you're generating them or your cable provider is.
Possible sources are.
Routing updates eg ospf, rip
ntp
multicast streaming video
On Mon, Sep 11, 2000 at 11:32:04AM +1100, Graeme Merrall wrote:
> Hey hey.
> I was wondering what was making my cable modem lights blink this morning
> when nothing was running except for bpalogin on our home network. I checked
> the archives and grabbed ntop which is pretty funky and started watching on
> the external ethernet card.
> I've been seeing some traffici to ALL-SYSTEMS.MCAST.NET which I'm unable to
> idenify although a whois shows it belongs to IANA so I don't think it's
> anything bad. :)
> While not being a DNS exxport type person I looked in the root name servers
> file and no mention of it there.
> Anyone able to shed some light?
>
> Cheers,
> Graeme
>
>
> --
> SLUG - Sydney Linux User Group Mailing List - http://slug.org.au/
> More Info: http://slug.org.au/lists/listinfo/slug
--
John
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SLUG - Sydney Linux User Group Mailing List - http://slug.org.au/
More Info: http://slug.org.au/lists/listinfo/slug
