The experiments I made today actually suggest that in my case tcpdump
uses the hardware clock for incoming packages and the software/unix
clock for outgoing packages.
I changed the System clock of one Server with date -s and then looked at
the capture of Ping packages.
Incoming packages on the changed server used the hardware clock while
outgoing packages used the changed system clock.
Is there a way to change that?
Am 09.06.2016 um 15:47 schrieb Michael Richardson:
Guenter Ebermann <guenter.eberm...@googlemail.com> wrote:
> Hardware timestamping of sending/receiving buffer descriptors is done
> by NIC.
Receiving I understand.
Are you sure that the hardware is going to timestamp sent packets, and then
turn around and send the back to the kernel?
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