[wellylug] Multicast/Unicast IPtables and NAT.

munter wellylug at vpc.co.nz
Fri Sep 12 22:27:36 NZST 2003


Hey Luggers,

Tena Koutou, my first post to the list. Hope it doesn't hurt.

I've got this application that spews udp packeted video across a network. Due 
to the network it's a good idea to make it unicast. But I've got this client 
that likes to view the video in multicast. The layers above IP are identical 
no matter what addressing format I take.

The question is: Does anyone think that by using some funky IPtables NAT  
settings, I can use IP tables to form a sort of unicast/multicast translation?

Basically IPtables gets unicast packets in and rips these off, slaps 
multicast addressing in it's place, and forwards the multicast packets onto a 
new interface...

Crazy Idea? Impossible? What do you reckon?

chez.

munter.



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