Ok andy !
I already solved my problem. Actually I did not need to forward the
multicast traffic with only one interface anymore. The system worked fine
with the multicast coming from all the interfaces. But I really appreciated
your atention.
Best regards
Marcos Gileno.
----- Original Message -----
From: "Andy Furniss" <lists@andyfurniss.entadsl.com>
To: "Marcos Gileno" <gileno@digilab.com.br>
Cc: <netfilter@lists.netfilter.org>
Sent: Wednesday, November 22, 2006 4:25 PM
Subject: Re: Multicast route table
Marcos Gileno wrote:
Hi there people!
I have a linux box as a multi-homed host, 3 interfaces, and I want to
route a multicast traffic that comes in one of the interface to another,
let´s say, eth0 receveis the multicast and I want eth1 to forward it.
I guess you need a daemon like smcroute
www.cschill.de/smcroute/ was OK on 2.6s last time I tried.
I only ever did enough with multicast routing to get what I wanted
working, so don't know all the ins and outs, but for locally generated
traffic it seems that the interface with the mcast route will get it.
Maybe it's because I was comparing pppX and ethX rather than eths, but by
default local generated mcast would go out on ppp0(default route created
by pppd) which was not what I wanted, doing -
ip ro add dev br0 224.0.0.0/4
stopped it going out on ppp0 - Maybe what you see is because tcpdump puts
ethX into promisc or something.
Andy.
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