Interfaces

Allocation

netstat: invalid option -- 'm'
usage: netstat [-vWeenNcCF] [] -r         netstat {-V|--version|-h|--help}
       netstat [-vWnNcaeol] [ ...]
       netstat { [-vWeenNac] -I[] | [-veenNac] -i | [-cnNe] -M | -s [-6tuw] } [delay]

        -r, --route              display routing table
        -I, --interfaces= display interface table for 
        -i, --interfaces         display interface table
        -g, --groups             display multicast group memberships
        -s, --statistics         display networking statistics (like SNMP)
        -M, --masquerade         display masqueraded connections

        -v, --verbose            be verbose
        -W, --wide               don't truncate IP addresses
        -n, --numeric            don't resolve names
        --numeric-hosts          don't resolve host names
        --numeric-ports          don't resolve port names
        --numeric-users          don't resolve user names
        -N, --symbolic           resolve hardware names
        -e, --extend             display other/more information
        -p, --programs           display PID/Program name for sockets
        -o, --timers             display timers
        -c, --continuous         continuous listing

        -l, --listening          display listening server sockets
        -a, --all                display all sockets (default: connected)
        -F, --fib                display Forwarding Information Base (default)
        -C, --cache              display routing cache instead of FIB
        -Z, --context            display SELinux security context for sockets

  ={-t|--tcp} {-u|--udp} {-U|--udplite} {-S|--sctp} {-w|--raw}
           {-x|--unix} --ax25 --ipx --netrom
  =Use '-6|-4' or '-A ' or '--'; default: inet
  List of possible address families (which support routing):
    inet (DARPA Internet) inet6 (IPv6) ax25 (AMPR AX.25) 
    netrom (AMPR NET/ROM) ipx (Novell IPX) ddp (Appletalk DDP) 
    x25 (CCITT X.25) 

Sockets

Stats

Ip:
    735353456 total packets received
    0 forwarded
    0 incoming packets discarded
    688441255 incoming packets delivered
    510472506 requests sent out
    12 outgoing packets dropped
    3 fragments dropped after timeout
    116 reassemblies required
    32 packets reassembled ok
    3 packet reassembles failed
    4 fragments failed
Icmp:
    17855577 ICMP messages received
    333 input ICMP message failed.
    InCsumErrors: 95
    ICMP input histogram:
        destination unreachable: 16493
        timeout in transit: 5892
        source quenches: 1
        redirects: 598
        echo requests: 17830961
        echo replies: 84
        timestamp request: 1452
        timestamp reply: 1
    17840161 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 7748
        echo replies: 17830961
        timestamp replies: 1452
IcmpMsg:
        InType0: 84
        InType3: 16493
        InType4: 1
        InType5: 598
        InType8: 17830961
        InType11: 5892
        InType13: 1452
        InType14: 1
        OutType0: 17830961
        OutType3: 7748
        OutType14: 1452
Tcp:
    15703366 active connections openings
    28594145 passive connection openings
    470133 failed connection attempts
    453761 connection resets received
    33 connections established
    914715588 segments received
    2121810528 segments send out
    19106646 segments retransmited
    204320 bad segments received.
    2005530 resets sent
    InCsumErrors: 50642
Udp:
    1351055 packets received
    7421 packets to unknown port received.
    0 packet receive errors
    3859466 packets sent
    0 receive buffer errors
    0 send buffer errors
UdpLite:
TcpExt:
    3921 SYN cookies sent
    5 SYN cookies received
    1094192 invalid SYN cookies received
    401630 resets received for embryonic SYN_RECV sockets
    3 packets pruned from receive queue because of socket buffer overrun
    244 ICMP packets dropped because they were out-of-window
    1 ICMP packets dropped because socket was locked
    21493949 TCP sockets finished time wait in fast timer
    50 time wait sockets recycled by time stamp
    95005 packets rejects in established connections because of timestamp
    1571823 delayed acks sent
    7877 delayed acks further delayed because of locked socket
    Quick ack mode was activated 491166 times
    574142 times the listen queue of a socket overflowed
    585428 SYNs to LISTEN sockets dropped
    219758 packets directly queued to recvmsg prequeue.
    57254634 bytes directly in process context from backlog
    2631952667 bytes directly received in process context from prequeue
    84903776 packet headers predicted
    254469 packets header predicted and directly queued to user
    393669114 acknowledgments not containing data payload received
    200618906 predicted acknowledgments
    983 times recovered from packet loss due to fast retransmit
    479805 times recovered from packet loss by selective acknowledgements
    442 bad SACK blocks received
    Detected reordering 6179 times using FACK
    Detected reordering 49041 times using SACK
    Detected reordering 47 times using reno fast retransmit
    Detected reordering 89486 times using time stamp
    8897 congestion windows fully recovered without slow start
    82557 congestion windows partially recovered using Hoe heuristic
    4592 congestion windows recovered without slow start by DSACK
    78833 congestion windows recovered without slow start after partial ack
    TCPLostRetransmit: 105542
    318 timeouts after reno fast retransmit
    60264 timeouts after SACK recovery
    21567 timeouts in loss state
    2814601 fast retransmits
    141292 forward retransmits
    356327 retransmits in slow start
    17189779 other TCP timeouts
    TCPLossProbes: 412538
    TCPLossProbeRecovery: 68333
    198 classic Reno fast retransmits failed
    43479 SACK retransmits failed
    488289 DSACKs sent for old packets
    431 DSACKs sent for out of order packets
    349269 DSACKs received
    21583 DSACKs for out of order packets received
    451233 connections reset due to unexpected data
    41091 connections reset due to early user close
    81725 connections aborted due to timeout
    TCPSACKDiscard: 194
    TCPDSACKIgnoredOld: 4230
    TCPDSACKIgnoredNoUndo: 183572
    TCPSpuriousRTOs: 49161
    TCPMD5Unexpected: 198
    TCPSackShifted: 1932604
    TCPSackMerged: 4675180
    TCPSackShiftFallback: 7679833
    TCPReqQFullDoCookies: 3921
    TCPRetransFail: 117
    TCPRcvCoalesce: 7065612
    TCPOFOQueue: 148837
    TCPOFOMerge: 524
    TCPChallengeACK: 189527
    TCPSYNChallenge: 167706
    TCPFastOpenCookieReqd: 104567
    TCPSpuriousRtxHostQueues: 14310
    TCPAutoCorking: 4137
    TCPFromZeroWindowAdv: 28124
    TCPToZeroWindowAdv: 28124
    TCPWantZeroWindowAdv: 5580720
    TCPSynRetrans: 14438051
    TCPOrigDataSent: 1924059933
    TCPHystartTrainDetect: 78517
    TCPHystartTrainCwnd: 5640299
    TCPHystartDelayDetect: 28153
    TCPHystartDelayCwnd: 5241630
    TCPACKSkippedSynRecv: 20340
    TCPACKSkippedPAWS: 75818
    TCPACKSkippedSeq: 6850
    TCPACKSkippedFinWait2: 43
    TCPACKSkippedTimeWait: 833
    TCPACKSkippedChallenge: 9029
IpExt:
    InNoRoutes: 65
    InBcastPkts: 3620392
    InOctets: 1817466377441
    OutOctets: 3794267437218
    InBcastOctets: 126449379
    InNoECTPkts: 733982479
    InECT1Pkts: 5774
    InECT0Pkts: 1383492
    InCEPkts: 965