Difference between revisions of "Stream Control Transmission Protocol (SCTP)"

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[[wikipedia:Stream Control Transmission Protocol]]
 
[[wikipedia:Stream Control Transmission Protocol]]
  
[[netstat -l]] | grep sctp
+
<code>[[netstat -l]] | grep sctp</code>
  
[[netstat]]
+
<code>[[netstat (example)]]</code>
<pre>
 
Ip:
 
    Forwarding: 2
 
    617002 total packets received
 
    0 forwarded
 
    0 incoming packets discarded
 
    617002 incoming packets delivered
 
    608841 requests sent out
 
    20 outgoing packets dropped
 
Icmp:
 
    465 ICMP messages received
 
    43 input ICMP message failed
 
    ICMP input histogram:
 
        destination unreachable: 89
 
        echo requests: 376
 
    761 ICMP messages sent
 
    0 ICMP messages failed
 
    ICMP output histogram:
 
        destination unreachable: 385
 
        echo replies: 376
 
IcmpMsg:
 
        InType3: 89
 
        InType8: 376
 
        OutType0: 376
 
        OutType3: 385
 
Tcp:
 
    3077 active connection openings
 
    14213 passive connection openings
 
    105 failed connection attempts
 
    40 connection resets received
 
    3 connections established
 
    615718 segments received
 
    608833 segments sent out
 
    4991 segments retransmitted
 
    2032 bad segments received
 
    8554 resets sent
 
    InCsumErrors: 2032
 
Udp:
 
    424 packets received
 
    395 packets to unknown port received
 
    0 packet receive errors
 
    464 packets sent
 
    0 receive buffer errors
 
    0 send buffer errors
 
UdpLite:
 
TcpExt:
 
    94 resets received for embryonic SYN_RECV sockets
 
    3274 TCP sockets finished time wait in fast timer
 
    1 packetes rejected in established connections because of timestamp
 
    31065 delayed acks sent
 
    1 delayed acks further delayed because of locked socket
 
    Quick ack mode was activated 628 times
 
    270348 packet headers predicted
 
    72374 acknowledgments not containing data payload received
 
    224959 predicted acknowledgments
 
    TCPSackRecovery: 71
 
    Detected reordering 7 times using SACK
 
    Detected reordering 1 times using reno fast retransmit
 
    Detected reordering 1 times using time stamp
 
    1 congestion windows partially recovered using Hoe heuristic
 
    TCPDSACKUndo: 6
 
    122 congestion windows recovered without slow start after partial ack
 
    TCPLostRetransmit: 1
 
    TCPSackFailures: 2
 
    162 fast retransmits
 
    5 retransmits in slow start
 
    TCPTimeouts: 1563
 
    TCPLossProbes: 1827
 
    TCPLossProbeRecovery: 544
 
    TCPSackRecoveryFail: 10
 
    TCPDSACKOldSent: 647
 
    TCPDSACKOfoSent: 1
 
    TCPDSACKRecv: 506
 
    5 connections reset due to unexpected data
 
    3 connections reset due to early user close
 
    150 connections aborted due to timeout
 
    TCPDSACKIgnoredOld: 2
 
    TCPDSACKIgnoredNoUndo: 351
 
    TCPSpuriousRTOs: 1
 
    TCPSackShifted: 47
 
    TCPSackMerged: 92
 
    TCPSackShiftFallback: 189
 
    TCPRcvCoalesce: 28310
 
    TCPOFOQueue: 663
 
    TCPOFOMerge: 1
 
    TCPFromZeroWindowAdv: 24
 
    TCPToZeroWindowAdv: 24
 
    TCPWantZeroWindowAdv: 13
 
    TCPSynRetrans: 1197
 
    TCPOrigDataSent: 474722
 
    TCPHystartDelayDetect: 2
 
    TCPHystartDelayCwnd: 64
 
    TCPACKSkippedSeq: 3
 
    TCPKeepAlive: 36
 
IpExt:
 
    InOctets: 1208553310
 
    OutOctets: 1067402986
 
    InNoECTPkts: 615863
 
    InECT0Pkts: 4695
 
    InCEPkts: 4
 
Sctp:
 
    0 Current Associations
 
    0 Active Associations
 
    0 Passive Associations
 
    0 Number of Aborteds
 
    0 Number of Graceful Terminations
 
    0 Number of Out of Blue packets
 
    0 Number of Packets with invalid Checksum
 
    0 Number of control chunks sent
 
    0 Number of ordered chunks sent
 
    0 Number of Unordered chunks sent
 
    0 Number of control chunks received
 
    0 Number of ordered chunks received
 
    0 Number of Unordered chunks received
 
    0 Number of messages fragmented
 
    0 Number of messages reassembled
 
    0 Number of SCTP packets sent
 
    0 Number of SCTP packets received
 
</pre>
 
  
  
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* [[Stream]]
 
* [[Stream]]
 
* [[WebRTC]]
 
* [[WebRTC]]
 +
* [[Datagram Transport Layer Security (DTLS)]]
  
 
== See also ==
 
== See also ==
* {{Linux networking commands}}
 
* {{Ethernet}}
 
 
* {{TCP}}
 
* {{TCP}}
  
  
 
[[Category:Networking]]
 
[[Category:Networking]]

Latest revision as of 13:44, 16 February 2023

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