[P4-dev] P4 support for PCAP
antonin at barefootnetworks.com
Mon Jul 10 19:05:28 EDT 2017
For bmv2, you just have to use the "--pcap" command-line flag. It will
generate a pcap file for each interface connected to the bmv2 switch.
Regarding the other 2, doesn't the DPDK framework has built-in support for
this using pdump (http://dpdk.org/doc/guides-16.07/sample_app_ug/pdump.html
On Sun, Jul 9, 2017 at 12:39 PM, James Bensley <jwbensley at gmail.com> wrote:
> Hi All,
> I have a couple of rudimentary questions about P4; I have seen P4 at ELTE
> and PISCES for building DPDK apps from P4 and BMV2 for building on a
> Linux x86 target.
> Is there support to write packets to a PCAP file when building with
> BMv2 (I want to save packets with errors for example for manual
> Equally further down the road we might need to build with DPDK to
> support higher throughput, so again, does anyone know if we can save
> packets to a PCAP file when using something like P4 at ELETE or PISCES?
> Many thanks,
> P4-dev mailing list
> P4-dev at lists.p4.org
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