[Bug 570] PREROUTING is unaware of VLAN interfaces

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https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=570





------- Additional Comments From rolf.fokkens at wanadoo.nl  2007-05-27 22:33 MET -------
Thanks, this does the trick. Is this well-documented?

I'm not sure however if I understand this somewhat unexpected behaviour. So far
I get the impression that PREROUTING has an ambiguous meaning within bridge
devices.  Bridge devices do some "routing" (switching is the proper term if I'm
correct) on their own at the ethernet level, the term PREROUTINGS seems to apply
here as well - Am I correct?

One could argue that PREROUTING only applies to bridging if the packet is
forwarded to another interface of the same bridge. If this is not the case,
PREROUTING should be handled by the normal IP routing code. Now I suspect that
one can not know in advance if PREROUTING should take place at the bridging
level or the routing level as packets may be changes in de mangle table.

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