Netstat -s

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netstat

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

See also[edit]