Wireshark-dev: Re: [Wireshark-dev] Accuracy of wireshark
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From: David Arnold <david.arnold@xxxxxxxxxxx>
Date: Tue, 9 Oct 2012 10:29:56 -0400 (EDT)
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.broman@xxxxxxxxxxxx> wrote:

Hi,
You can find some info on timestamps here http://wiki.wireshark.org/Timestamps
Regards
Anders

From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Marinucci Elisabetta
Sent: den 9 oktober 2012 11:46
To: wireshark-dev@xxxxxxxxxxxxx
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

 

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