Means out of the blue below. Your stats are interesting, you have expired cookies and also bad checksum. Em 1 de julho de 2017 14:29:56 BRT, Sun Paul <paulrbk@xxxxxxxxx> escreveu: >OOTB means? > >and below figure is the /proc/net/sctp/snmp, any idea > >$ cat /proc/net/sctp/snmp >SctpCurrEstab 0 >SctpActiveEstabs 26061 >SctpPassiveEstabs 204235 >SctpAborteds 811874 >SctpShutdowns 196524 >SctpOutOfBlues 19104636 >SctpChecksumErrors 3070 >SctpOutCtrlChunks 3515894374 >SctpOutOrderChunks 43687436 >SctpOutUnorderChunks 5244253158 >SctpInCtrlChunks 3820268182 >SctpInOrderChunks 2553760409 >SctpInUnorderChunks 2741444705 >SctpFragUsrMsgs 197031085 >SctpReasmUsrMsgs 207379860 >SctpOutSCTPPacks 6407590023 >SctpInSCTPPacks 6719200223 >SctpT1InitExpireds 18041179 >SctpT1CookieExpireds 365 >SctpT2ShutdownExpireds 486 >SctpT3RtxExpireds 4543012 >SctpT4RtoExpireds 0 >SctpT5ShutdownGuardExpireds 2 >SctpDelaySackExpireds 2595840671 >SctpAutocloseExpireds 0 >SctpT3Retransmits 4527700 >SctpPmtudRetransmits 3341 >SctpFastRetransmits 4155577 >SctpInPktSoftirq 6711421746 >SctpInPktBacklog 7744553 >SctpInPktDiscards 19253619 >SctpInDataChunkDiscards 4248038 > >On Sun, Jul 2, 2017 at 1:11 AM, Marcelo Ricardo Leitner ><marcelo.leitner@xxxxxxxxx> wrote: >> Hi, >> >> On Sun, Jul 02, 2017 at 01:02:36AM +0800, Sun Paul wrote: >>> Hi >>> >>> we have a setup that running normal, however, we found that some of >>> the conenctions are not able to establish and we (server) send ABORT >>> right after receiving COOKIE_ECHO. >>> >>> any idea? >> >> Several reasons.. if it's not triggering a duplicate cookie >processing, >> it's being processed on sctp_sf_do_5_1D_ce(). Have a look at it to >have >> a better idea. Two reasons that stands out are somehow the cookie was >> interpreted as an OOTB packet or the tcp-style listening socket got >its >> backlog full. >> >> It can also be due to an out of memory situation, which is not often >the >> case. >> >> OOTB packets are accounted for in netstat -s or /proc/net/sctp/snmp. >> >> Marcelo >> -- Enviado de meu dispositivo Android com K-9 mail. Desculpe-me pela brevidade. -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html