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Re: Multicast Routing help

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Andrew Bruce wrote:
> Hi,
>
> I'm attempting to setup multicast routing from our main network,
> through a unicast router on an internal IP, to one of our WAN sites.
>
> So far I've attempted to use mrouted and smcroute from a local Linux
> box to a Linux box located at the remote site, as well as DVMRP from a
> Cisco router to mrouted running on a the remote Linux box.
>
> I can get the multicast packets through the tunnel to show up on the
> tunnel interface on the far Linux machine, but haven't been able to
> put these packets onto the main interface (eth0).  I've been able to
> achieve this scenario using all three of the above methods, using
> DVMRP, OpenVPN and GRE as the tunnel, but still no joy in getting it
> across onto the main interface (eth0).
>
> Using TCPDump I can see the packets I'm interested in showing up on
> the end of the tunnel interface (tcpdump -i<tun_int>  ip multicast)
> from the 239.x.x.x multicast network, but no matter what I try, I
> still can't these to move to eth0.

I don't really know much about multicast, but have got simple things to 
work in the past.

Maybe ip ro add dev eth0 224.0.0.0/4 will help

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Multicast Routing help Andrew Bruce <newsgroups@tumnus.co.nz> - 2011-06-14 18:10 -0700
  Re: Multicast Routing help Andy Furniss <spam@andyfurniss.entadsl.com> - 2011-06-16 00:05 +0100

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