On Tue, Mar 7, 2017 at 1:53 PM, Mike Tancsa <m...@sentex.net> wrote: ... > > Using netsend, I cant seem to blast through a single flow of packets > greater than 800Kpps without packet loss. Can you point me to any > performance tweaks for forwarding / routing ? > > I have 3 boxes, with one in the middle > > (netsend box) <----> (router with chelsio nics) <---> (netreceive box)
How is the router configured -- is this something netmap based? Please provide more details of the configuration. What kind of CPU/chipset is it? Do you see any PAUSE frames out of the T5? "sysctl dev.cxl dev.vcxl | grep _pause" Is any CPU core pegged at 100% during the test? Regards, Navdeep > #./netsend 10.151.10.3 500 100 800000 20 > Sending packet of payload size 100 every 0.000001250s for 20 seconds > calling time every 100 cycles > > start: 1488952041.000000000 > finish: 1488952061.000000837 > send calls: 16000000 > send errors: 0 > approx send rate: 800000 pps > time/packet: 1250 ns > approx error rate: 0 > waited: 333086341 > approx waits/sec: 16654317 > approx wait rate: 20 > > _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
