Marco how much traffic are you injecting and how (pfsend)? What does the sender say?
Luca > On 16 Jan 2018, at 17:27, Marco Teixeira <[email protected]> wrote: > > Hi Alfredo, > > I think our emails got crossed... but nevertheless here is ethtool -S > output... Shows no drops. > > === > [marco@nprobe ~]$ sudo ethtool --statistics ens2f0 > NIC statistics: > xmit_called: 0 > xmit_finished: 0 > rx_dropped: 0 > tx_dropped: 0 > csummed: 0 > rx_pkts: 544668580 > lro_pkts: 0 > rx_bytes: 480924479057 > tx_bytes: 0 > === > > Like i said... on my previous email, the problem might be with PFRING ? > === > ========================= > Absolute Stats: [274'090 pkts total][0 pkts dropped][0.0% dropped] > [274'090 pkts rcvd][252'023'439 bytes rcvd][274'048.34 pkt/sec][2'015.88 > Mbit/sec] > ========================= > Actual Stats: [137'201 pkts rcvd][1'000.15 ms][137'180.28 pps][0.99 Gbps] > ========================= > === > > Cumprimentos, > > Marco Teixeira > > ----------------------------------------------------------------------------------------------------------------------------------- > Serviços de Comunicações da Universidade do Minho > Campus de Azurém, 4800-058 Guimarães - Portugal > Tel.: +351 253510141, Fax: +351 253604021 > [email protected] <mailto:[email protected]> | > http://www.scom.uminho.pt <http://www.scom.uminho.pt/> > ----------------------------------------------------------------------------------------------------------------------------------- > > > 2018-01-16 16:21 GMT+00:00 Alfredo Cardigliano <[email protected] > <mailto:[email protected]>>: > Hi Marco > it seems there is no packet loss, did you check the interface stats with > ethtool -S to check if pats are getting lost at interface level? > > Best Regards > Alfredo > >> On 16 Jan 2018, at 17:17, Marco Teixeira <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hello, >> >> Is PF_RING the culprit here ?? How to tweak this? >> Absolute stats showing around 2Gb/s and Actual stats near 1Gb/s... >> >> === >> [marco@nprobe ~]$ sudo pfcount -i ens2f0 >> Using PF_RING v.7.0.0 >> Capturing from ens2f0 [mac: D8:D3:85:A0:12:50][if_index: 5][speed: 10000Mb/s] >> # Device RX channels: 1 >> # Polling threads: 1 >> Dumping statistics on /proc/net/pf_ring/stats/2553-ens2f0.2 >> ========================= >> Absolute Stats: [136'889 pkts total][0 pkts dropped][0.0% dropped] >> [136'889 pkts rcvd][128'561'396 bytes rcvd] >> ========================= >> >> ========================= >> Absolute Stats: [274'090 pkts total][0 pkts dropped][0.0% dropped] >> [274'090 pkts rcvd][252'023'439 bytes rcvd][274'048.34 pkt/sec][2'015.88 >> Mbit/sec] >> ========================= >> Actual Stats: [137'201 pkts rcvd][1'000.15 ms][137'180.28 pps][0.99 Gbps] >> ========================= >> >> === >> >> Cumprimentos, >> >> Marco Teixeira >> >> ----------------------------------------------------------------------------------------------------------------------------------- >> Serviços de Comunicações da Universidade do Minho >> Campus de Azurém, 4800-058 Guimarães - Portugal >> Tel.: +351 253510141, Fax: +351 253604021 >> [email protected] <mailto:[email protected]> | >> http://www.scom.uminho.pt <http://www.scom.uminho.pt/> >> ----------------------------------------------------------------------------------------------------------------------------------- >> >> >> 2018-01-16 15:52 GMT+00:00 Marco Teixeira <[email protected] >> <mailto:[email protected]>>: >> Hi list, >> >> Do you know of any limitation (license wise) on the capture speed of nProbe? >> Can't seem to go above 1Gb/s, but machine still has plenty of CPU available, >> and PCIe 10Gb/s NIC... >> >> === >> Build OS: CentOS Linux release 7.4.1708 (Core) >> GIT rev: 8.2-stable:fe33351b54075fa76a242548fb830e2bdf1d9224:20180112 >> Edition: nProbe Pro >> License Type: Permanent License >> === >> >> === >> [marco@nprobe ~]$ more /proc/net/pf_ring/stats/1361-ens2f0.1 >> Duration: 0:00:33:05:185 >> Bytes: 238825829235 >> Packets: 272020616 >> Dropped: 0 >> >> [marco@nprobe ~]$ more /proc/net/pf_ring/1361-ens2f0.1 >> Bound Device(s) : ens2f0 >> Active : 1 >> Breed : Standard >> Appl. Name : nProbe >> Socket Mode : RX only >> Capture Direction : RX+TX >> Sampling Rate : 1 >> IP Defragment : No >> BPF Filtering : Disabled >> Sw Filt Hash Rules : 0 >> Sw Filt WC Rules : 0 >> Sw Filt Hash Match : 0 >> Sw Filt Hash Miss : 0 >> Hw Filt Rules : 0 >> Poll Pkt Watermark : 8 >> Num Poll Calls : 0 >> Channel Id Mask : 0xFFFFFFFFFFFFFFFF >> VLAN Id : 65535 >> Slot Version : 16 [7.0.0] >> Min Num Slots : 4108 >> Bucket Len : 128 >> Slot Len : 336 [bucket+header] >> Tot Memory : 1388544 >> Tot Packets : 276360318 >> Tot Pkt Lost : 0 >> Tot Insert : 276360318 >> Tot Read : 276360318 >> Insert Offset : 711632 >> Remove Offset : 711632 >> Num Free Slots : 4108 >> Reflect: Fwd Ok : 0 >> Reflect: Fwd Errors: 0 >> === >> >> Regards, >> Marco >> >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] <mailto:[email protected]> >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> <http://listgateway.unipi.it/mailman/listinfo/ntop-misc> > > _______________________________________________ > Ntop-misc mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > <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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