* [LARTC] Multicast love
@ 2006-03-16 9:20 Simon Tennant
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From: Simon Tennant @ 2006-03-16 9:20 UTC (permalink / raw)
To: lartc
I am trying to get multicast traffic to traverse 3 different subnets
call connected to the same linux router. This is primarily to get
rendezvous/zeroconf services working for Macs on the network. Being
able to experiment with the VideoLAN client's multicasting abilities
would be a bonus.
I see that rendezvous sends out packets with a TTL of 1 and expects
them back with a TTL of 255 so I guess I will have to do some packet
mangling in iptables.
The limited documentation out there recommends running a multicast
router like PimD. What does this add to the setup? Surely it's just a
cast of some iptables rules allowing 224/4 between networks?
Am I missing the point here? Any good documents on multicast?
S.
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