title: Can someone help me in understanding the SCTP stats captured on linux
body: <p>I am new to SCTP protocol and trying to figure out how to interpret the SCTP stats captured by /proc/net/sctp</p>
  
  <pre><code>The output shows something like this.
  2016-04-26 07:21:17
  ASSOC     SOCK   STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT RPORT LADDRS &lt;-&gt; RADDRS HBINT INS OUTS MAXRT T1X T2X RTXC wmema wmemq sndbuf rcvbuf
  ce0f1800 cd7ede00 2   1   3  11661 1783      423        0      77 292723 36422 36423  10.205.8.71 &lt;-&gt; *10.205.8.72                  3000    10    10   10    0    0        0      873      704   163840   163840
  ca625800 cd7ec000 2   1   3  65210    1        0        0      77 10344 3223  36412  10.205.8.71 &lt;-&gt; *10.205.0.135           3000     2     2   10    0    0        3        1        0   163840   163840
  ENDPT     SOCK   STY SST HBKT LPORT   UID INODE LADDRS
  ca511d80 cd7ec3c0 2   10  40   36422    77 10345 10.205.8.71 
  ADDR ASSOC_ID HB_ACT RTO MAX_PATH_RTX REM_ADDR_RTX  START
  10.205.8.72  1783 1 200 5 0 0
  10.205.0.135  1 1 200 15 0 0
  SctpCurrEstab                   2
  SctpActiveEstabs                              21
  SctpPassiveEstabs                           1855
  SctpAborteds                    272
  SctpShutdowns                                1808
  SctpOutOfBlues                                0
  SctpChecksumErrors                      0
  SctpOutCtrlChunks                          79214
  SctpOutOrderChunks                     327396
  SctpOutUnorderChunks               0
  SctpInCtrlChunks                             268038
  SctpInOrderChunks                        174268
  SctpInUnorderChunks                   0
  SctpFragUsrMsgs                             0
  SctpReasmUsrMsgs                        0
  SctpOutSCTPPacks                          406626
  SctpInSCTPPacks                              385959
  SctpT1InitExpireds                           0
  SctpT1CookieExpireds                   0
  SctpT2ShutdownExpireds            0
  SctpT3RtxExpireds                           5
  SctpT4RtoExpireds                          0
  SctpT5ShutdownGuardExpireds                0
  SctpDelaySackExpireds                  9869
  SctpAutocloseExpireds                  0
  SctpT3Retransmits                          5
  SctpPmtudRetransmits                 0
  SctpFastRetransmits                       14
  SctpInPktSoftirq                               384346
  SctpInPktBacklog                             1613
  SctpInPktDiscards                            0
  SctpInDataChunkDiscards            0
  </code></pre>
  
  <p>Can some one help me understand this or provide the link where i can get some information.</p>
  
  <p>Thanks,
  Vishal</p>