Re: Forwarding Multicast Traffic

[Ray Leach <raymondl@knowledgefactory.co.za>]

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On Mon, 2004-02-09 at 09:31, ms419@freezone.co.uk wrote:
> Two machines communicate with one another using multicast - mDNS - when 
> they are on the same network segment. When they are on separate network 
> segments, however - though they can connect to one another across a 
> router - they can't communicate using multicast. I presume that this is 
> because the router isn't forwarding multicast traffic to other network 
> segments? The router is running Linux kernel version 2.4.23 and 
> iptables. How can I configure iptables to forward multicast traffic to 
> other network segments?
> 
Make sure you have the appropriate FORWARD and -t nat PREROUTING (if you
use NAT) rules to forward the multicast traffic (224.0.0.0)

> Thanks very much,
> 
> Jack
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Raymond Leach <raymondl@knowledgefactory.co.za>
Network Support Specialist
http://www.knowledgefactory.co.za
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