统信桌面操作系统专业版V20（1070）
Linux uos 5.10.97-arm64-desktop

uos基础 netstat 查看网络统计信息

code@uos:~$ netstat -s
Ip:
    Forwarding: 2
    11775 total packets received
    0 forwarded
    0 incoming packets discarded
    11566 incoming packets delivered
    10436 requests sent out
    48 dropped because of missing route
Icmp:
    0 ICMP messages received
    0 input ICMP message failed
    ICMP input histogram:
    7 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 7
IcmpMsg:
        OutType3: 7
Tcp:
    1075 active connection openings
    3 passive connection openings
    162 failed connection attempts
    50 connection resets received
    15 connections established
    61378 segments received
    44754 segments sent out
    2367 segments retransmitted
    16 bad segments received
    350 resets sent
Udp:
    2665 packets received
    7 packets to unknown port received
    0 packet receive errors
    1744 packets sent
    0 receive buffer errors
    0 send buffer errors
    IgnoredMulti: 2707
UdpLite:
TcpExt:
    257 TCP sockets finished time wait in fast timer
    354 delayed acks sent
    Quick ack mode was activated 478 times
    48015 packet headers predicted
    2962 acknowledgments not containing data payload received
    5561 predicted acknowledgments
    Detected reordering 4 times using SACK
    TCPDSACKUndo: 30
    TCPLostRetransmit: 1739
    TCPSackFailures: 3
    7 retransmits in slow start
    TCPTimeouts: 2290
    TCPLossProbes: 249
    TCPLossProbeRecovery: 1
    TCPBacklogCoalesce: 6
    TCPDSACKOldSent: 478
    TCPDSACKOfoSent: 1
    TCPDSACKRecv: 269
    141 connections reset due to unexpected data
    31 connections reset due to early user close
    196 connections aborted due to timeout
    TCPDSACKIgnoredOld: 3
    TCPDSACKIgnoredNoUndo: 63
    TCPSackShiftFallback: 6
    TCPRcvCoalesce: 796
    TCPOFOQueue: 549
    TCPOFOMerge: 1
    TCPChallengeACK: 16
    TCPSYNChallenge: 16
    TCPAutoCorking: 293
    TCPFromZeroWindowAdv: 4
    TCPToZeroWindowAdv: 4
    TCPWantZeroWindowAdv: 88
    TCPSynRetrans: 1948
    TCPOrigDataSent: 9366
    TCPHystartDelayDetect: 2
    TCPHystartDelayCwnd: 100
    TCPACKSkippedSeq: 1
    TCPKeepAlive: 807
    TCPDelivered: 10196
    TCPAckCompressed: 2
    TcpTimeoutRehash: 2112
    TcpDuplicateDataRehash: 9
    TCPDSACKRecvSegs: 269
IpExt:
    InMcastPkts: 1046
    OutMcastPkts: 129
    InBcastPkts: 2707
    InOctets: 4161997
    OutOctets: 1281843
    InMcastOctets: 165406
    OutMcastOctets: 24092
    InBcastOctets: 232356
    InNoECTPkts: 11920
code@uos:~$