On Thu, 10 Mar 2005 17:46:02 -0800 Ted Deppner <[EMAIL PROTECTED]> wrote:
> I've got a multicast video application where I'm using a bridge to get > duplicated multicast output on each of two physical interfaces. > > eg br0 -> eth0 & eth1. > ifconfig br0 x.x.x.x > route add -net 224.0.0.0/4 br0 > > This works perfectly for standard 1500 byte data packets (meaning they > don't need to fragment). However, if I use 4096 byte data packets, which > obviously must fragment to go on the ethernet, then the packets only go > out the last interface in the bridge, ie eth1. There's no packets going > out eth0. Bridging implements a IEEE 802.2 bridge. This means it is protocol independent, it doesn't know what a IP packet is. It's the standard, this is the correct behaviour. > Can you comment on this? Has this been resolved in a later version of the > kernel, or is there an option I can tweak? You could use ebtables (netfilter for bridging), to process data and fragment as needed. > Thank you. > > -- > Ted Deppner > http://www.deppner.us/
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