Re: Bug in bridge or netfilter code (REJECT + incorrect MAC)?

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Patrick McHardy wrote:
Casper Gripenberg wrote:
[...]
https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=531

I'm wondering, why does your client care about the source MAC
address of the REJECT packet? Or is there another switch in
between that does MAC filtering?

Yes..there is a switch or router between the Linux bridge
and the computer that is supposed to receive the REJECT
packet.

The packet stops at this router, because presumably it's
doing some sort of MAC spoof filtering, or it just doesn't
understand what is happening when the MAC of the source IP
suddenly changes.

The router is my ISP's internet router, which I do not
control. But I doubt the router is doing anything wrong
though. The weirdness is more on the Linux side..

Casper


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