[root@example root]# netstat -u -s
Udp:
95043801 packets received
2059 packets to unknown port received.
12041 packet receive errors
81665255 packets sent
[root@exampleroot]# netstat -t -s
Tcp:
2119 active connections openings
14472 passive connection openings
0 failed connection attempts
10 connection resets received
1372 connections established
101805453 segments received
190009367 segments send out
18675 segments retransmited
0 bad segments received.
31811 resets sent
TcpExt:
ArpFilter: 0
4892 TCP sockets finished time wait in fast timer
774734 delayed acks sent
3375 delayed acks further delayed because of locked socket
Quick ack mode was activated 58 times
2792 packets directly queued to recvmsg prequeue.
1662 packets directly received from backlog
681773 packets directly received from prequeue
6711642 packets header predicted
2594 packets header predicted and directly queued to user
TCPPureAcks: 87512391
TCPHPAcks: 8652457
TCPRenoRecovery: 0
TCPSackRecovery: 9225
TCPSACKReneging: 0
TCPFACKReorder: 0
TCPSACKReorder: 0
TCPRenoReorder: 0
TCPTSReorder: 0
TCPFullUndo: 0
TCPPartialUndo: 0
TCPDSACKUndo: 0
TCPLossUndo: 2
TCPLoss: 1069
TCPLostRetransmit: 0
TCPRenoFailures: 0
TCPSackFailures: 817
TCPLossFailures: 1
TCPFastRetrans: 9691
TCPForwardRetrans: 52
TCPSlowStartRetrans: 122
TCPTimeouts: 6017
TCPRenoRecoveryFail: 0
TCPSackRecoveryFail: 24
TCPSchedulerFailed: 0
TCPRcvCollapsed: 0
TCPDSACKOldSent: 61
TCPDSACKOfoSent: 0
TCPDSACKRecv: 2
TCPDSACKOfoRecv: 0
TCPAbortOnSyn: 0
TCPAbortOnData: 17
TCPAbortOnClose: 1
TCPAbortOnMemory: 0
TCPAbortOnTimeout: 256
TCPAbortOnLinger: 0
TCPAbortFailed: 0