[user@server ~]$ netstat -st
IcmpMsg:
    InType0: 418
    InType8: 11520
    OutType0: 11178
    OutType3: 302081
    OutType8: 1670
Tcp:
    148806 active connections openings
    5048 passive connection openings
    28 failed connection attempts
    148 connection resets received
    6 connections established
    6555592 segments received
    2998346 segments send out
    4273 segments retransmited
    0 bad segments received.
    284 resets sent
UdpLite:
TcpExt:
    60 invalid SYN cookies received
    6 packets pruned from receive queue because of socket buffer overrun
    8997 TCP sockets finished time wait in fast timer
    1 packets rejects in established connections because of timestamp
    17996 delayed acks sent
    28 delayed acks further delayed because of locked socket
    Quick ack mode was activated 87 times
    426263 packets directly queued to recvmsg prequeue.
    161 packets directly received from backlog
    1408179 packets directly received from prequeue
    874763 packets header predicted
    2681 packets header predicted and directly queued to user
    760242 acknowledgments not containing data received
    4638075 predicted acknowledgments
    1185 times recovered from packet loss due to SACK data
    TCPDSACKUndo: 1
    86 congestion windows recovered after partial ack
    2200 TCP data loss events
    TCPLostRetransmit: 20
    48 timeouts after SACK recovery
    1 timeouts in loss state
    2826 fast retransmits
    276 forward retransmits
    54 retransmits in slow start
    856 other TCP timeouts
    3 sack retransmits failed
    440 packets collapsed in receive queue due to low socket buffer
    1092 DSACKs sent for old packets
    14 DSACKs received
    2 connections reset due to unexpected data
    55 connections reset due to early user close
    30 connections aborted due to timeout
    TCPSACKDiscard: 86
    TCPDSACKIgnoredOld: 9
    TCPDSACKIgnoredNoUndo: 3
    TCPSackShifted: 20564
    TCPSackMerged: 5839
    TCPSackShiftFallback: 4100
IpExt:
    InBcastPkts: 2184886
    InOctets: 981595337
    OutOctets: 17164710795
    InBcastOctets: 208045444