解析netstat -s 命令输出-优快云博客

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[root@AY140716161543837722Z ~]# netstat -s
Ip:
    301701 total packets received
    1 with invalid addresses
    0 forwarded
    0 incoming packets discarded
    301700 incoming packets delivered
    340491 requests sent out
Icmp:
    10246 ICMP messages received
    146 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 162
        timeout in transit: 4
        redirects: 1
        echo requests: 10079
    10544 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 465
        echo replies: 10079
IcmpMsg:
        InType3: 162
        InType5: 1
        InType8: 10079
        InType11: 4
        OutType0: 10079
        OutType3: 465
Tcp:
    2026 active connections openings
    9632 passive connection openings
    4616 failed connection attempts
    242 connection resets received
    2 connections established
    285278 segments received
    309887 segments send out
    9012 segments retransmited
    9 bad segments received.
    10210 resets sent
Udp:
    5704 packets received
    465 packets to unknown port received.
    0 packet receive errors
    11048 packets sent
UdpLite:
TcpExt:
    4218 invalid SYN cookies received
    4616 resets received for embryonic SYN_RECV sockets
    4809 TCP sockets finished time wait in fast timer
    1159 delayed acks sent
    16 delayed acks further delayed because of locked socket
    Quick ack mode was activated 735 times
    12414 packets directly queued to recvmsg prequeue.
    199376 packets directly received from prequeue
    19374 packets header predicted
    111 packets header predicted and directly queued to user
    51514 acknowledgments not containing data received
    79089 predicted acknowledgments
    117 times recovered from packet loss due to SACK data
    1 bad SACKs received
    Detected reordering 2 times using FACK
    TCPDSACKUndo: 644
    2557 congestion windows recovered after partial ack
    198 TCP data loss events
    TCPLostRetransmit: 8
    38 timeouts after SACK recovery
    28 timeouts in loss state
    304 fast retransmits
    69 forward retransmits
    479 retransmits in slow start
    5631 other TCP timeouts
    14 sack retransmits failed
    947 DSACKs sent for old packets
    5285 DSACKs received
    2 DSACKs for out of order packets received
    99 connections reset due to unexpected data
    2 connections reset due to early user close
    438 connections aborted due to timeout
    TCPDSACKIgnoredOld: 3
    TCPDSACKIgnoredNoUndo: 389
    TCPSpuriousRTOs: 30
    TCPSackShifted: 494
    TCPSackMerged: 398
    TCPSackShiftFallback: 3003
IpExt:
    InOctets: 64954403
    OutOctets: 219976762
[root@AY140716161543837722Z ~]#