<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br></div><div>On 28 mars 2016, at 14:30, Yasha Zislin <<a href="mailto:coolyasha@hotmail.com">coolyasha@hotmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<div dir="ltr">I have about 2 million packets traversing per minute over 10 gig</div></div></blockquote><blockquote type="cite"><div><div dir="ltr">pipe. Averaging about 500mbits in traffic.</div></div></blockquote><blockquote type="cite"><div><div dir="ltr"><div>Traffic is mostly LDAP, NTP, Syslog. Not really much of HTTP/S.</div><div><br></div><div>That packet loss starts instantly. In a few minutes, you would see it. After leaving it running over the weekend, I have 19% packet loss.</div><div><br></div><div>BTW, I am using dev v190 branch for this already.</div></div></div></blockquote><div><br></div><div>What does your "detect:" section look like in suricata.yaml?</div><div><br></div><div>You can use the section here as a reference -</div><div><a href="https://github.com/inliniac/suricata/blob/dev-detect-grouping-v193/suricata.yaml.in#L594">https://github.com/inliniac/suricata/blob/dev-detect-grouping-v193/suricata.yaml.in#L594</a></div><div>(Please note the naming and spacing)</div><div><br></div><div><br></div><div>Are you pfring buffers full ? (Or how are they configured )</div><div>How does the config section look like for pfring for the two interfaces you have?</div><div><br></div><br><blockquote type="cite"><div><div dir="ltr"><div><br></div><div>Thanks.<br><br><div>> Date: Sun, 27 Mar 2016 12:00:22 +0200<br>> Subject: Re: [Oisf-users] troubleshooting packet loss<br>> From: <a href="mailto:petermanev@gmail.com">petermanev@gmail.com</a><br>> To: <a href="mailto:coolyasha@hotmail.com">coolyasha@hotmail.com</a><br>> CC: <a href="mailto:oisf-users@lists.openinfosecfoundation.org">oisf-users@lists.openinfosecfoundation.org</a><br>> <br>> On Thu, Mar 24, 2016 at 7:02 PM, Yasha Zislin <<a href="mailto:coolyasha@hotmail.com">coolyasha@hotmail.com</a>> wrote:<br>> > I am trying to figure out where the packet loss is coming from on one of my<br>> > Suricata 3.0 sensor.<br>> > The only thing that I see weird from stats.log is that<br>> > tpc.stream_depth_reached and tcp.reassembly_gap is somewhat high.<br>> > I am using latest PF_RING and monitoring one interface with 4 threads.<br>> > 4 logical CPUs with 16 gigs of RAM. 66% of RAM is used.<br>> <br>> What traffic speeds are those on? How many rules do you load?<br>> <br>> On the first interface there is 6.5% loss on the second 3.67% - over<br>> what period of time was that?<br>> <br>> ><br>> > Here is stats.log info.<br>> ><br>> > Thank you<br>> ><br>> > capture.kernel_packets | RxPFRbond01 | 34118172<br>> > capture.kernel_drops | RxPFRbond01 | 2240130<br>> > decoder.pkts | RxPFRbond01 | 34125944<br>> > decoder.bytes | RxPFRbond01 | 26624108366<br>> > decoder.invalid | RxPFRbond01 | 0<br>> > decoder.ipv4 | RxPFRbond01 | 34707873<br>> > decoder.ipv6 | RxPFRbond01 | 570<br>> > decoder.ethernet | RxPFRbond01 | 34125944<br>> > decoder.raw | RxPFRbond01 | 0<br>> > decoder.null | RxPFRbond01 | 0<br>> > decoder.sll | RxPFRbond01 | 0<br>> > decoder.tcp | RxPFRbond01 | 23715873<br>> > decoder.udp | RxPFRbond01 | 9702569<br>> > decoder.sctp | RxPFRbond01 | 0<br>> > decoder.icmpv4 | RxPFRbond01 | 98456<br>> > decoder.icmpv6 | RxPFRbond01 | 0<br>> > decoder.ppp | RxPFRbond01 | 0<br>> > decoder.pppoe | RxPFRbond01 | 0<br>> > decoder.gre | RxPFRbond01 | 0<br>> > decoder.vlan | RxPFRbond01 | 0<br>> > decoder.vlan_qinq | RxPFRbond01 | 0<br>> > decoder.teredo | RxPFRbond01 | 570<br>> > decoder.ipv4_in_ipv6 | RxPFRbond01 | 0<br>> > decoder.ipv6_in_ipv6 | RxPFRbond01 | 0<br>> > decoder.mpls | RxPFRbond01 | 0<br>> > decoder.avg_pkt_size | RxPFRbond01 | 780<br>> > decoder.max_pkt_size | RxPFRbond01 | 1514<br>> > decoder.erspan | RxPFRbond01 | 0<br>> > flow.memcap | RxPFRbond01 | 0<br>> > defrag.ipv4.fragments | RxPFRbond01 | 1190975<br>> > defrag.ipv4.reassembled | RxPFRbond01 | 592903<br>> > defrag.ipv4.timeouts | RxPFRbond01 | 0<br>> > defrag.ipv6.fragments | RxPFRbond01 | 0<br>> > defrag.ipv6.reassembled | RxPFRbond01 | 0<br>> > defrag.ipv6.timeouts | RxPFRbond01 | 0<br>> > defrag.max_frag_hits | RxPFRbond01 | 0<br>> > tcp.sessions | RxPFRbond01 | 169101<br>> > tcp.ssn_memcap_drop | RxPFRbond01 | 0<br>> > tcp.pseudo | RxPFRbond01 | 77497<br>> > tcp.pseudo_failed | RxPFRbond01 | 0<br>> > tcp.invalid_checksum | RxPFRbond01 | 0<br>> > <a href="http://tcp.no">tcp.no</a>_flow | RxPFRbond01 | 0<br>> > tcp.syn | RxPFRbond01 | 180407<br>> > tcp.synack | RxPFRbond01 | 146913<br>> > tcp.rst | RxPFRbond01 | 138896<br>> > tcp.segment_memcap_drop | RxPFRbond01 | 0<br>> > tcp.stream_depth_reached | RxPFRbond01 | 107<br>> > tcp.reassembly_gap | RxPFRbond01 | 6765<br>> > detect.alert | RxPFRbond01 | 3426<br>> > capture.kernel_packets | RxPFRbond02 | 33927252<br>> > capture.kernel_drops | RxPFRbond02 | 1246692<br>> > decoder.pkts | RxPFRbond02 | 33932611<br>> > decoder.bytes | RxPFRbond02 | 25571688366<br>> > decoder.invalid | RxPFRbond02 | 0<br>> > decoder.ipv4 | RxPFRbond02 | 34483004<br>> > decoder.ipv6 | RxPFRbond02 | 506<br>> > decoder.ethernet | RxPFRbond02 | 33932611<br>> > decoder.raw | RxPFRbond02 | 0<br>> > decoder.null | RxPFRbond02 | 0<br>> > decoder.sll | RxPFRbond02 | 0<br>> > decoder.tcp | RxPFRbond02 | 24665968<br>> > decoder.udp | RxPFRbond02 | 8600129<br>> > decoder.sctp | RxPFRbond02 | 0<br>> > decoder.icmpv4 | RxPFRbond02 | 113797<br>> > decoder.icmpv6 | RxPFRbond02 | 0<br>> > decoder.ppp | RxPFRbond02 | 0<br>> > decoder.pppoe | RxPFRbond02 | 0<br>> > decoder.gre | RxPFRbond02 | 0<br>> > decoder.vlan | RxPFRbond02 | 0<br>> > decoder.vlan_qinq | RxPFRbond02 | 0<br>> > decoder.teredo | RxPFRbond02 | 506<br>> > decoder.ipv4_in_ipv6 | RxPFRbond02 | 0<br>> > decoder.ipv6_in_ipv6 | RxPFRbond02 | 0<br>> > decoder.mpls | RxPFRbond02 | 0<br>> > decoder.avg_pkt_size | RxPFRbond02 | 753<br>> > decoder.max_pkt_size | RxPFRbond02 | 1514<br>> > decoder.erspan | RxPFRbond02 | 0<br>> > flow.memcap | RxPFRbond02 | 0<br>> > defrag.ipv4.fragments | RxPFRbond02 | 1103110<br>> > defrag.ipv4.reassembled | RxPFRbond02 | 550393<br>> > defrag.ipv4.timeouts | RxPFRbond02 | 0<br>> > defrag.ipv6.fragments | RxPFRbond02 | 0<br>> > defrag.ipv6.reassembled | RxPFRbond02 | 0<br>> > defrag.ipv6.timeouts | RxPFRbond02 | 0<br>> > defrag.max_frag_hits | RxPFRbond02 | 0<br>> > tcp.sessions | RxPFRbond02 | 172432<br>> > tcp.ssn_memcap_drop | RxPFRbond02 | 0<br>> > tcp.pseudo | RxPFRbond02 | 79224<br>> > tcp.pseudo_failed | RxPFRbond02 | 0<br>> > tcp.invalid_checksum | RxPFRbond02 | 0<br>> > <a href="http://tcp.no">tcp.no</a>_flow | RxPFRbond02 | 0<br>> > tcp.syn | RxPFRbond02 | 183912<br>> > tcp.synack | RxPFRbond02 | 150219<br>> > tcp.rst | RxPFRbond02 | 143693<br>> > tcp.segment_memcap_drop | RxPFRbond02 | 0<br>> > tcp.stream_depth_reached | RxPFRbond02 | 105<br>> > tcp.reassembly_gap | RxPFRbond02 | 4710<br>> > detect.alert | RxPFRbond02 | 3469<br>> > capture.kernel_packets | RxPFRbond03 | 38750498<br>> > capture.kernel_drops | RxPFRbond03 | 1511800<br>> > decoder.pkts | RxPFRbond03 | 38762341<br>> > decoder.bytes | RxPFRbond03 | 32714534213<br>> > decoder.invalid | RxPFRbond03 | 0<br>> > decoder.ipv4 | RxPFRbond03 | 39299710<br>> > decoder.ipv6 | RxPFRbond03 | 512<br>> > decoder.ethernet | RxPFRbond03 | 38762341<br>> > decoder.raw | RxPFRbond03 | 0<br>> > decoder.null | RxPFRbond03 | 0<br>> > decoder.sll | RxPFRbond03 | 0<br>> > decoder.tcp | RxPFRbond03 | 21943466<br>> > decoder.udp | RxPFRbond03 | 15992492<br>> > decoder.sctp | RxPFRbond03 | 0<br>> > decoder.icmpv4 | RxPFRbond03 | 178089<br>> > decoder.icmpv6 | RxPFRbond03 | 0<br>> > decoder.ppp | RxPFRbond03 | 0<br>> > decoder.pppoe | RxPFRbond03 | 0<br>> > decoder.gre | RxPFRbond03 | 0<br>> > decoder.vlan | RxPFRbond03 | 0<br>> > decoder.vlan_qinq | RxPFRbond03 | 0<br>> > decoder.teredo | RxPFRbond03 | 512<br>> > decoder.ipv4_in_ipv6 | RxPFRbond03 | 0<br>> > decoder.ipv6_in_ipv6 | RxPFRbond03 | 0<br>> > decoder.mpls | RxPFRbond03 | 0<br>> > decoder.avg_pkt_size | RxPFRbond03 | 843<br>> > decoder.max_pkt_size | RxPFRbond03 | 1514<br>> > decoder.erspan | RxPFRbond03 | 0<br>> > flow.memcap | RxPFRbond03 | 0<br>> > defrag.ipv4.fragments | RxPFRbond03 | 1078454<br>> > defrag.ipv4.reassembled | RxPFRbond03 | 537369<br>> > defrag.ipv4.timeouts | RxPFRbond03 | 0<br>> > defrag.ipv6.fragments | RxPFRbond03 | 0<br>> > defrag.ipv6.reassembled | RxPFRbond03 | 0<br>> > defrag.ipv6.timeouts | RxPFRbond03 | 0<br>> > defrag.max_frag_hits | RxPFRbond03 | 0<br>> > tcp.sessions | RxPFRbond03 | 169832<br>> > tcp.ssn_memcap_drop | RxPFRbond03 | 0<br>> > tcp.pseudo | RxPFRbond03 | 78504<br>> > tcp.pseudo_failed | RxPFRbond03 | 0<br>> > tcp.invalid_checksum | RxPFRbond03 | 0<br>> > <a href="http://tcp.no">tcp.no</a>_flow | RxPFRbond03 | 0<br>> > tcp.syn | RxPFRbond03 | 181453<br>> > tcp.synack | RxPFRbond03 | 147649<br>> > tcp.rst | RxPFRbond03 | 139792<br>> > tcp.segment_memcap_drop | RxPFRbond03 | 0<br>> > tcp.stream_depth_reached | RxPFRbond03 | 94<br>> > tcp.reassembly_gap | RxPFRbond03 | 2567<br>> > detect.alert | RxPFRbond03 | 3416<br>> > capture.kernel_packets | RxPFRbond04 | 63727760<br>> > capture.kernel_drops | RxPFRbond04 | 3046651<br>> > decoder.pkts | RxPFRbond04 | 63747722<br>> > decoder.bytes | RxPFRbond04 | 55373084583<br>> > decoder.invalid | RxPFRbond04 | 0<br>> > decoder.ipv4 | RxPFRbond04 | 64056225<br>> > decoder.ipv6 | RxPFRbond04 | 487<br>> > decoder.ethernet | RxPFRbond04 | 63747722<br>> > decoder.raw | RxPFRbond04 | 0<br>> > decoder.null | RxPFRbond04 | 0<br>> > decoder.sll | RxPFRbond04 | 0<br>> > decoder.tcp | RxPFRbond04 | 55855784<br>> > decoder.udp | RxPFRbond04 | 7447497<br>> > decoder.sctp | RxPFRbond04 | 0<br>> > decoder.icmpv4 | RxPFRbond04 | 133539<br>> > decoder.icmpv6 | RxPFRbond04 | 0<br>> > decoder.ppp | RxPFRbond04 | 0<br>> > decoder.pppoe | RxPFRbond04 | 0<br>> > decoder.gre | RxPFRbond04 | 0<br>> > decoder.vlan | RxPFRbond04 | 0<br>> > decoder.vlan_qinq | RxPFRbond04 | 0<br>> > decoder.teredo | RxPFRbond04 | 487<br>> > decoder.ipv4_in_ipv6 | RxPFRbond04 | 0<br>> > decoder.ipv6_in_ipv6 | RxPFRbond04 | 0<br>> > decoder.mpls | RxPFRbond04 | 0<br>> > decoder.avg_pkt_size | RxPFRbond04 | 868<br>> > decoder.max_pkt_size | RxPFRbond04 | 1514<br>> > decoder.erspan | RxPFRbond04 | 0<br>> > flow.memcap | RxPFRbond04 | 0<br>> > defrag.ipv4.fragments | RxPFRbond04 | 619405<br>> > defrag.ipv4.reassembled | RxPFRbond04 | 308503<br>> > defrag.ipv4.timeouts | RxPFRbond04 | 0<br>> > defrag.ipv6.fragments | RxPFRbond04 | 0<br>> > defrag.ipv6.reassembled | RxPFRbond04 | 0<br>> > defrag.ipv6.timeouts | RxPFRbond04 | 0<br>> > defrag.max_frag_hits | RxPFRbond04 | 0<br>> > tcp.sessions | RxPFRbond04 | 171368<br>> > tcp.ssn_memcap_drop | RxPFRbond04 | 0<br>> > tcp.pseudo | RxPFRbond04 | 78609<br>> > tcp.pseudo_failed | RxPFRbond04 | 0<br>> > tcp.invalid_checksum | RxPFRbond04 | 0<br>> > <a href="http://tcp.no">tcp.no</a>_flow | RxPFRbond04 | 0<br>> > tcp.syn | RxPFRbond04 | 182409<br>> > tcp.synack | RxPFRbond04 | 149124<br>> > tcp.rst | RxPFRbond04 | 143473<br>> > tcp.segment_memcap_drop | RxPFRbond04 | 0<br>> > tcp.stream_depth_reached | RxPFRbond04 | 82<br>> > tcp.reassembly_gap | RxPFRbond04 | 35459<br>> > detect.alert | RxPFRbond04 | 3770<br>> > flow_mgr.closed_pruned | FlowManagerThread | 310602<br>> > flow_mgr.new_pruned | FlowManagerThread | 549722<br>> > flow_mgr.est_pruned | FlowManagerThread | 380334<br>> > flow.spare | FlowManagerThread | 799999<br>> > flow.emerg_mode_entered | FlowManagerThread | 0<br>> > flow.emerg_mode_over | FlowManagerThread | 0<br>> > flow.tcp_reuse | FlowManagerThread | 237<br>> > flow_mgr.closed_pruned | FlowManagerThread | 308878<br>> > flow_mgr.new_pruned | FlowManagerThread | 544586<br>> > flow_mgr.est_pruned | FlowManagerThread | 379393<br>> > flow.spare | FlowManagerThread | 799402<br>> > flow.emerg_mode_entered | FlowManagerThread | 0<br>> > flow.emerg_mode_over | FlowManagerThread | 0<br>> > flow.tcp_reuse | FlowManagerThread | 252<br>> > tcp.memuse | Global | 439248976<br>> > tcp.reassembly_memuse | Global | 1717630000<br>> > dns.memuse | Global | 476478<br>> > dns.memcap_state | Global | 0<br>> > dns.memcap_global | Global | 0<br>> > http.memuse | Global | 536216<br>> > http.memcap | Global | 0<br>> > flow.memuse | Global | 237040288<br>> ><br>> ><br>> > _______________________________________________<br>> > Suricata IDS Users mailing list: <a href="mailto:oisf-users@openinfosecfoundation.org">oisf-users@openinfosecfoundation.org</a><br>> > Site: <a href="http://suricata-ids.org">http://suricata-ids.org</a> | Support: <a href="http://suricata-ids.org/support/">http://suricata-ids.org/support/</a><br>> > List: <a href="https://lists.openinfosecfoundation.org/mailman/listinfo/oisf-users">https://lists.openinfosecfoundation.org/mailman/listinfo/oisf-users</a><br>> > Suricata User Conference November 9-11 in Washington, DC:<br>> > <a href="http://oisfevents.net">http://oisfevents.net</a><br>> <br>> <br>> <br>> -- <br>> Regards,<br>> Peter Manev<br></div></div> </div>
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