From: Dale Shaw (dale.shaw@gmail.com)
Date: Fri Mar 13 2009 - 01:57:35 ARST
Hi Nick,
As Daniel has already pointed out, the third octet for those groups is 1, not 0.
224.0.0.0/24 is reserved for local subnetwork control -- things like
OSPF, EIGRP, RIPv2, and all that.
I'm not sure how it's enforced, but theoretically everything using
224.0.0.0/24 should use a TTL of 1 -- you should never seen
224.0.0.0/24 groups leaking beyond the local link.
cheers,
Dale
On Fri, Mar 13, 2009 at 12:32 PM, Nick <ccieaz@googlemail.com> wrote:
> Hi All,
>
> I was making a quick list of well known multicast addresses and was confused
> about these two, are 224.0.0.39 and 224.0.0.40 used for anything major ?
>
> Thanks
> Nick
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