Having received no useful replies, let me try a simpler question: How
can I identify (i.e. filter) TCP ACKs with no data payload?
I know how to identify ACKs, but is there any way to identify packets
with no payload, something like a "payload-size 0" condition?
Thanks.
Federico Giannici wrote:
In a gateway with two NICs, we classify the traffic as HiPri and LowPri,
for both NICs, so there are a total of 4 queues.
I'd like to assign the ACKs of the HiPri queue in a given direction to
the HiPri queue of the opposite direction.
I have read that two names can be given to the "queue" keyword, and the
second one is used for the "TCP ACKs with no data payload". Is it
correct that it is referencing the ACKs in the opposite direction, so it
works only if "keep state" is used?
Moreover, the second queue is used "for packets which have a TOS of
lowdelay" too, but I don't want it, because I want to specify a queue in
the opposite direction!
Is there a way to avoid this second case?
Is there some other way to assign a queue to the ACKs (and only them)
relative to flows assigned to another queue (in the opposite direction)?
Thanks.
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