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:
    43560145128 total packets received
    0 forwarded
    0 incoming packets discarded
    185974190 incoming packets delivered
    165362563 requests sent out
    36 dropped because of missing route
    4 fragments dropped after timeout
    66 reassemblies required
    7 packets reassembled ok
    4 packet reassembles failed
Icmp:
    9459555 ICMP messages received
    76 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 9853
        timeout in transit: 38
        redirects: 51
        echo requests: 9449190
        echo replies: 404
        timestamp request: 19
    9459136 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 9927
        echo replies: 9449190
        timestamp replies: 19
IcmpMsg:
        InType0: 404
        InType3: 9853
        InType5: 51
        InType8: 9449190
        InType11: 38
        InType13: 19
        OutType0: 9449190
        OutType3: 9927
        OutType14: 19
Tcp:
    6120150 active connections openings
    10522088 passive connection openings
    17406 failed connection attempts
    108886 connection resets received
    16 connections established
    318471798 segments received
    1253844192 segments send out
    518074 segments retransmited
    64052 bad segments received.
    129666 resets sent
    InCsumErrors: 19667
Udp:
    176046 packets received
    988 packets to unknown port received.
    0 packet receive errors
    885366 packets sent
    0 receive buffer errors
    0 send buffer errors
UdpLite:
TcpExt:
    2862 invalid SYN cookies received
    11420 resets received for embryonic SYN_RECV sockets
    20 ICMP packets dropped because they were out-of-window
    10355076 TCP sockets finished time wait in fast timer
    423 packets rejects in established connections because of timestamp
    422399 delayed acks sent
    465 delayed acks further delayed because of locked socket
    Quick ack mode was activated 20034 times
    181577 times the listen queue of a socket overflowed
    181754 SYNs to LISTEN sockets dropped
    77078 packets directly queued to recvmsg prequeue.
    11809033 bytes directly in process context from backlog
    834374147 bytes directly received in process context from prequeue
    74315447 packet headers predicted
    82444 packets header predicted and directly queued to user
    149588249 acknowledgments not containing data payload received
    35299530 predicted acknowledgments
    62 times recovered from packet loss due to fast retransmit
    43054 times recovered from packet loss by selective acknowledgements
    Detected reordering 445 times using FACK
    Detected reordering 347 times using SACK
    Detected reordering 228 times using time stamp
    358 congestion windows fully recovered without slow start
    226 congestion windows partially recovered using Hoe heuristic
    2675 congestion windows recovered without slow start by DSACK
    6823 congestion windows recovered without slow start after partial ack
    TCPLostRetransmit: 3465
    24 timeouts after reno fast retransmit
    737 timeouts after SACK recovery
    304 timeouts in loss state
    185880 fast retransmits
    7656 forward retransmits
    3034 retransmits in slow start
    109726 other TCP timeouts
    TCPLossProbes: 49828
    TCPLossProbeRecovery: 2758
    21 classic Reno fast retransmits failed
    1100 SACK retransmits failed
    19953 DSACKs sent for old packets
    37 DSACKs sent for out of order packets
    21861 DSACKs received
    16 DSACKs for out of order packets received
    18531 connections reset due to unexpected data
    20816 connections reset due to early user close
    25776 connections aborted due to timeout
    TCPSACKDiscard: 1
    TCPDSACKIgnoredOld: 1037
    TCPDSACKIgnoredNoUndo: 7418
    TCPSpuriousRTOs: 239
    TCPSackShifted: 544915
    TCPSackMerged: 791943
    TCPSackShiftFallback: 591709
    TCPRcvCoalesce: 557379
    TCPOFOQueue: 80244
    TCPOFOMerge: 37
    TCPChallengeACK: 51843
    TCPSYNChallenge: 49668
    TCPFastOpenCookieReqd: 10
    TCPSpuriousRtxHostQueues: 122
    TCPAutoCorking: 149
    TCPFromZeroWindowAdv: 259
    TCPToZeroWindowAdv: 259
    TCPWantZeroWindowAdv: 18775406
    TCPSynRetrans: 79193
    TCPOrigDataSent: 1153288204
    TCPHystartTrainDetect: 232569
    TCPHystartTrainCwnd: 4920237
    TCPHystartDelayDetect: 142
    TCPHystartDelayCwnd: 96422
    TCPACKSkippedSynRecv: 2
    TCPACKSkippedPAWS: 59
    TCPACKSkippedSeq: 171
    TCPACKSkippedTimeWait: 12
    TCPACKSkippedChallenge: 14
IpExt:
    InBcastPkts: 59662
    InOctets: 4524490702256
    OutOctets: 3436717187466
    InBcastOctets: 12867190
    InNoECTPkts: 43560140593
    InECT0Pkts: 4722