[ILUG] Creating a multihomed host.
chris.higgins at horizon.ie
Tue Aug 14 14:18:16 IST 2001
> On Mon, Aug 13, 2001 at 05:55:35PM +0100, Oisin Kim wrote:
> > The card is set up to use a broadcsat IP address, 188.8.131.52, yet the ifconfig
> > doesn't show this.
> If ifconfig doesn't show it, then I'd wonder if it is so. If it doesn't walk
> like a duck, and it doesn't quack like a duck . . . .
> And anyway, 184.108.40.206 is not a broadcast IP address. That is, I suppose you
> could in the abstract call it a /31 broadcast address but there'd be very
> few hosts for it to broadcast to :-) In fact, it's a multicast address,
> although according to "IANA Guidelines for IPv4 Multicast Address
> Assignments" it's a RESERVED address - why, I don't know. So it would seem
> that your application uses multicasting to share this data, though why
> ifconfig is mute as to the status of the NIC and its multicast setup, I
> don't know - I've never played with multicasting on Linux.
netstat -g will show you what multicast groups that you are a member of.
It doesn't appear in ifconfig
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