Hi please let us see the output of top (press 1 after starting it) when running all the processes on 8 NICs.
Alfredo > On 29 Apr 2016, at 11:35, sunday2000 <[email protected]> wrote: > > Hi all, > > We are using PF_ring to capture packets with 8 NIC in an redhat linux > server, with 20 process for capturing and dumping packets. And PF_ring is in > standard mode. > When we capture NIC one by one, then no packets is lossed, but if we > capture all NIC concurrently, then one of the NIC will drop/discard packets > and other NICs are working well, while the CPU usage is quite low. The > traffic flow speed of the loss packet NIC will reduce from 600Mbps to 300Mbps. > > Could you tell why this happen? > > > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
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