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:
    40551800275 total packets received
    0 forwarded
    0 incoming packets discarded
    179362204 incoming packets delivered
    159692313 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:
    9008707 ICMP messages received
    73 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 9771
        timeout in transit: 31
        redirects: 45
        echo requests: 8998438
        echo replies: 404
        timestamp request: 18
    9008344 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 9888
        echo replies: 8998438
        timestamp replies: 18
IcmpMsg:
        InType0: 404
        InType3: 9771
        InType5: 45
        InType8: 8998438
        InType11: 31
        InType13: 18
        OutType0: 8998438
        OutType3: 9888
        OutType14: 18
Tcp:
    5771276 active connections openings
    9825545 passive connection openings
    16602 failed connection attempts
    107618 connection resets received
    12 connections established
    306227561 segments received
    1197742879 segments send out
    496931 segments retransmited
    62467 bad segments received.
    124876 resets sent
    InCsumErrors: 18306
Udp:
    161884 packets received
    953 packets to unknown port received.
    0 packet receive errors
    822368 packets sent
    0 receive buffer errors
    0 send buffer errors
UdpLite:
TcpExt:
    2755 invalid SYN cookies received
    10626 resets received for embryonic SYN_RECV sockets
    20 ICMP packets dropped because they were out-of-window
    9665568 TCP sockets finished time wait in fast timer
    421 packets rejects in established connections because of timestamp
    364014 delayed acks sent
    433 delayed acks further delayed because of locked socket
    Quick ack mode was activated 19422 times
    180085 times the listen queue of a socket overflowed
    180247 SYNs to LISTEN sockets dropped
    71258 packets directly queued to recvmsg prequeue.
    10818983 bytes directly in process context from backlog
    767324161 bytes directly received in process context from prequeue
    72968661 packet headers predicted
    76086 packets header predicted and directly queued to user
    143187723 acknowledgments not containing data payload received
    34256671 predicted acknowledgments
    52 times recovered from packet loss due to fast retransmit
    41249 times recovered from packet loss by selective acknowledgements
    Detected reordering 442 times using FACK
    Detected reordering 346 times using SACK
    Detected reordering 214 times using time stamp
    345 congestion windows fully recovered without slow start
    211 congestion windows partially recovered using Hoe heuristic
    2647 congestion windows recovered without slow start by DSACK
    6630 congestion windows recovered without slow start after partial ack
    TCPLostRetransmit: 3360
    20 timeouts after reno fast retransmit
    718 timeouts after SACK recovery
    280 timeouts in loss state
    179153 fast retransmits
    7468 forward retransmits
    2914 retransmits in slow start
    106569 other TCP timeouts
    TCPLossProbes: 46918
    TCPLossProbeRecovery: 2530
    18 classic Reno fast retransmits failed
    1021 SACK retransmits failed
    19359 DSACKs sent for old packets
    36 DSACKs sent for out of order packets
    21055 DSACKs received
    16 DSACKs for out of order packets received
    18357 connections reset due to unexpected data
    20700 connections reset due to early user close
    24528 connections aborted due to timeout
    TCPSACKDiscard: 1
    TCPDSACKIgnoredOld: 1036
    TCPDSACKIgnoredNoUndo: 6803
    TCPSpuriousRTOs: 232
    TCPSackShifted: 520956
    TCPSackMerged: 759624
    TCPSackShiftFallback: 566085
    TCPRcvCoalesce: 531672
    TCPOFOQueue: 78136
    TCPOFOMerge: 36
    TCPChallengeACK: 51452
    TCPSYNChallenge: 49341
    TCPFastOpenCookieReqd: 10
    TCPSpuriousRtxHostQueues: 115
    TCPAutoCorking: 148
    TCPFromZeroWindowAdv: 253
    TCPToZeroWindowAdv: 253
    TCPWantZeroWindowAdv: 18622290
    TCPSynRetrans: 77286
    TCPOrigDataSent: 1101277241
    TCPHystartTrainDetect: 216279
    TCPHystartTrainCwnd: 4583846
    TCPHystartDelayDetect: 136
    TCPHystartDelayCwnd: 95658
    TCPACKSkippedSynRecv: 2
    TCPACKSkippedPAWS: 59
    TCPACKSkippedSeq: 169
    TCPACKSkippedTimeWait: 10
    TCPACKSkippedChallenge: 14
IpExt:
    InBcastPkts: 59607
    InOctets: 4337953026772
    OutOctets: 3354550115031
    InBcastOctets: 12845075
    InNoECTPkts: 40551796023
    InECT0Pkts: 4432