On Jan 12, 2017 20:50, Alfredo Cardigliano wrote:Hi Moshethere is a limit of 32 virtual interfaces when you use the fanout, becauseof the API which is using a 32-bit mask to select the egress queues.AlfredoOn 12 Jan 2017, at 10:32, Moshe Danielli <[email protected]> wrote:_______________________________________________Hi Alfredo,I'm using the ixgbe driver with about 2.5M pps.What I'd like to do is clone the traffic so I can run multiple tcpdump instances, each with a different bpf, and store the output to a different pcap file, whose name is determined by the bpf in use.Is there a limit on the amount of virtual interfaces I can create in this scenario ?Thanks again !Moshe
On Jan 12, 2017 16:50, Alfredo Cardigliano wrote:Hi Moshe
it really depends on several factors, including but not limited to traffic rate (pps), bandwidth, hw specs,
I need to know more about your traffic, hw configuration and what are you trying to do in order to help you.
Best Regards
Alfredo
> On 12 Jan 2017, at 06:00, Moshe Danielli wrote:
>
> Hi Guys,
>
> What is the rule of thumb when determining the maximum amount of fan out interfaces (when using zfanout_ipc) ? Is it based on bandwidth, the hw specs or a combination of both ?
>
> Thanks in advance,
>
> Moshe
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