If NTP and the OS are not good enough, we use capture cards from Napatech to obtain better time stamps than our host servers can manage. They sync with a PTP grand master.
They provide a custom libpcap that works with their card (and wire/tshark). d -- David Arnold Mantara Office: +1 646 412-6928 Mobile: +1 201 993-5614 On 09/10/2012, at 10:16, Anders Broman <anders.bro...@ericsson.com> wrote: > Hi, > You can find some info on timestamps here http://wiki.wireshark.org/Timestamps > Regards > Anders > > From: wireshark-dev-boun...@wireshark.org > [mailto:wireshark-dev-boun...@wireshark.org] On Behalf Of Marinucci Elisabetta > Sent: den 9 oktober 2012 11:46 > To: wireshark-dev@wireshark.org > Subject: [Wireshark-dev] FW: Accuracy of wireshark > > Dear all > we’d like to use wireshark tool to validate our network system in terms of > packets exchanged and time. > > We will need to verify that certain packets are exchanged and verify the time > between request and response on Ethernet interface on PC with Windows server > 2003 syncronized by NTP version 4 with a GPS server. > > Do you have any Test Report or document that qualify the tool in term of its > correct work? > Do you have any document or Test Report that demonstrates that wireshark is > able to capture all the packets exchanged and to measure the time difference > with correct accuracy? > > Thanks a lot for your help. > > Best Regards > > > Elisabetta Marinucci > > <image002.gif> > Prima di stampare questa comunicazione consideratene, per favore, l'impatto > ambientale > Please consider the environment before printing this email > > > ___________________________________________________________________________ > Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> > Archives: http://www.wireshark.org/lists/wireshark-dev > Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev > mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe
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