Hello, Maybe offtopic but what kind of hardware beast do you use to handle 16 x Ten gig?
-- Michał Margula, [email protected], http://alchemyx.uznam.net.pl/ "W życiu piękne są tylko chwile" [Ryszard Riedel] Dnia 25 wrz 2014 o godz. 23:36 Morgan Yang <[email protected]> napisał(a): > Hi Alfredo: > > I just want to describe my use case. I have a machine with 16 Intel 10G > interfaces, basically serving as a pcap recorder. I can record alot of > packets but I'm interested in having better timestamp resolution on the > packets, right now they are at millisecond and micro-second level. I was > wondering if hardware timestamping can be used for this scenario. The only > information I have thus far in addition to linux ptp (which i'm not sure fits > my use case) is this white paper about high resolution packet capture. > http://icai.ektf.hu/pdf/ICAI2010-vol2-pp237-245.pdf > > Much Thanks > Morgan Yang > >> On Thu, Sep 25, 2014 at 10:59 AM, Morgan Yang <[email protected]> >> wrote: >> Hi Alfredo: >> >> I have the Silicom Dual NIC without the FPGA. I'm curious as intel 82599 MAC >> time stamping is listed on linux ptp's site. http://linuxptp.sourceforge.net/ >> >> I am, however, not clear if an explicit 1588 source is required for Linux >> PTP and Intel's hardware timestamp to operate. >> >> Much Thanks >> Morgan Yang >> >>> On Thu, Sep 25, 2014 at 10:08 AM, Alfredo Cardigliano >>> <[email protected]> wrote: >>> Hi Morgan >>> hw timestamps on 10g intel card are supported with Silicom adapters with >>> FPGA onboard. >>> >>> Alfredo >>> >>> On 25 Sep 2014, at 00:24, Morgan Yang <[email protected]> wrote: >>> >>> > Hi: >>> > >>> > It seems standard ixgbe driver supports hardware timestamping, is this >>> > something that has to be enabled or is supported out of the box? I'm >>> > running ixgbe 3.15.1-k packaged by Ubuntu. >>> > >>> > Much Thanks >>> > Morgan Yang >>> > _______________________________________________ >>> > Ntop-misc mailing list >>> > [email protected] >>> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
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