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| H A D | br_multicast.c | diff bd4265fe365c0f3945dd5ff1527e52bbe2bedfa2 Wed Jun 22 21:39:12 CDT 2011 Herbert Xu <herbert@gondor.apana.org.au> bridge: Only flood unregistered groups to routers
The bridge currently floods packets to groups that we have never
seen before to all ports. This is not required by RFC4541 and
in fact it is not desirable in environment where traffic to
unregistered group is always present.
This patch changes the behaviour so that we only send traffic
to unregistered groups to ports marked as routers.
The user can always force flooding behaviour to any given port
by marking it as a router.
Note that this change does not apply to traffic to 224.0.0.X
as traffic to those groups must always be flooded to all ports.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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