[Bridge] NTP packets not passing the bridge

Martin Andersson Z martin.z.andersson at ericsson.com
Tue Feb 16 02:58:26 PST 2010


Hello.

I have a simple testsetup, where <node> --- | bridge | --- <node> is connected.

Every packets seems to traverse the bridge, except for the NTP packets.

When capturing on the in-port, what differes for this NTP packets is that there src-mac address is 00:00:00:00:00:00.
Where any other packets has valid src address.

Is there a check/validation in the bridge so that it will not pass eth-packets that has a src with all 0.

The kernel used is "2.6.31.5-0.1"

brg/Martin


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