On 05/13/2011 11:13 AM, Mr Dash Four wrote:
> 
>> Assumeing that class 12 is the correct one, yes.
>>
>> Just keep in mind that the source IP for eth1:12 will be 10.1.1.12
>> where as on ifb1:12, the destination IP will be 10.1.2.7 (the two are
>> not symmetric).
>>   
> Thanks! Good point about the asymmetric nature of the flow too - I am
> not using DNAT, so it makes perfect sense the destination address to be
> the one of the eth1 interface.

tcfilters always work with packets as they appear "on the wire". So the
packets seen on ifb1 would be the same with or without DNAT. tcrules
always work with packets before SNAT is applied. Hence, the asymmetry.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

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