:~# netstat -s
Ip:
    46374651 total packets received
    0 forwarded
    0 incoming packets discarded
    46374604 incoming packets delivered
    49094941 requests sent out
    70 reassemblies required
    24 packets reassembled ok
    48 fragments received ok
    96 fragments created
Icmp:
    58069 ICMP messages received
    228 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 45119
        timeout in transit: 16
        redirects: 1994
        echo requests: 8445
        echo replies: 2290
    175568 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 164833
        echo request: 2290
        echo replies: 8445
IcmpMsg:
        InType0: 2290
        InType3: 45119
        InType5: 1994
        InType8: 8445
        InType11: 16
        OutType0: 8445
        OutType3: 164833
        OutType8: 2290
Tcp:
    75266 active connections openings
    213570 passive connection openings
    1943 failed connection attempts
    4650 connection resets received
    5 connections established
    5746887 segments received
    7379664 segments send out
    9625 segments retransmited
    71 bad segments received.
    21901 resets sent
Udp:
    39806703 packets received
    176181 packets to unknown port received.
    586239 packet receive errors
    41530533 packets sent
TcpExt:
    99 invalid SYN cookies received
    671 resets received for embryonic SYN_RECV sockets
    12 time wait sockets recycled by time stamp
    28 packets rejects in established connections because of timestamp
    231710 delayed acks sent
    446 delayed acks further delayed because of locked socket
    Quick ack mode was activated 718 times
    725782 packets directly queued to recvmsg prequeue.
    484327 bytes directly in process context from backlog
    178680119 bytes directly received in process context from prequeue
    1033674 packet headers predicted
    591649 packets header predicted and directly queued to user
    732336 acknowledgments not containing data payload received
    2487076 predicted acknowledgments
    1481 times recovered from packet loss by selective acknowledgements
    Detected reordering 57 times using FACK
    Detected reordering 17 times using SACK
    Detected reordering 3 times using time stamp
    6 congestion windows fully recovered without slow start
    101 congestion windows partially recovered using Hoe heuristic
    295 congestion windows recovered without slow start by DSACK
    149 congestion windows recovered without slow start after partial ack
    2079 TCP data loss events
    TCPLostRetransmit: 1
    257 timeouts after SACK recovery
    48 timeouts in loss state
    4143 fast retransmits
    482 forward retransmits
    1020 retransmits in slow start
    2270 other TCP timeouts
    180 SACK retransmits failed
    46 times receiver scheduled too late for direct processing
    630 DSACKs sent for old packets
    1257 DSACKs received
    14 DSACKs for out of order packets received
    3197 connections reset due to unexpected data
    1427 connections reset due to early user close
    708 connections aborted due to timeout
IpExt:
:~#