2011/7/7 Tharindu Rukshan Bamunuarachchi [off-list ref]:

in this case you are creating STP loop and enable of STP will disable either
eth1 or eth0.

what are you trying achieve ? Is it just sending packets over both ethernet
interfaces ?

you better bond those two ethernet interfaces. you need switch configuration
for proper incoming traffic flow.
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Tharindu "Rukshan" Bamunuarachchi


You've got a loop in your Ethernet network and spanning tree is
disabled.
The surprising bit is that you manage to get any packets through at all.

Ethernet packets don't have a TTL field, so if they end up in a loop
(for example br0 -> eth0 -> LAN -> eth1 -> br0 -> ...) they just keep
getting repeated.

brctl br0 stp on should fix your network.

I suspect you're trying to do bonding though, which (as far as I know,
having never played with it myself) is configured completely differently
and might require support from the switch.

Regards,
Kristof

thank you all

today i tried to bring STP on
it seems better now

i did some filtering also

thanks again

best regards.

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jiangtao