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bridge and multicast

DISCUSSION Jerome Tollet 1 participant 1 message Jul 12, 2001

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Hello,
I tried to install a linux bridge on my network on which some multicast traffic is present. It seems that the bridge stops the multicast traffic.
I looked at the bridge source code and i saw that there is no special code to handle ethernet multicast mac adresses. The only code i found is that
the bridge duplicates the packet for the local interface if the brgXX interface has the flag
IFF_MULTI set.
I think that the problem is that the bridge has already seen a special mac adress on its interface ethY
so it doesn't duplicate the packet on its other interfaces (ethZ).

What can i do ? Does someone experienced the same problem ? Thanks for help

Please CC me personaly because i didn't subsribed to the lkml.

Jerome

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Jerome Tollet
[email protected]
www.qosmos.net
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