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:
    101067288 total packets received
    0 forwarded
    0 incoming packets discarded
    91873012 incoming packets delivered
    83567511 requests sent out
    36 dropped because of missing route
    44 fragments dropped after timeout
    44 reassemblies required
    44 packet reassembles failed
Icmp:
    102238 ICMP messages received
    8 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 398
        timeout in transit: 5
        redirects: 1
        echo requests: 101828
        echo replies: 4
        timestamp request: 2
    103203 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 1372
        time exceeded: 1
        echo replies: 101828
        timestamp replies: 2
IcmpMsg:
        InType0: 4
        InType3: 398
        InType5: 1
        InType8: 101828
        InType11: 5
        InType13: 2
        OutType0: 101828
        OutType3: 1372
        OutType11: 1
        OutType14: 2
Tcp:
    7540971 active connections openings
    15027065 passive connection openings
    11514 failed connection attempts
    18763 connection resets received
    17 connections established
    177916243 segments received
    548121529 segments send out
    253645 segments retransmited
    10072 bad segments received.
    35287 resets sent
    InCsumErrors: 4471
Udp:
    137731 packets received
    1370 packets to unknown port received.
    0 packet receive errors
    561639 packets sent
    0 receive buffer errors
    0 send buffer errors
UdpLite:
TcpExt:
    1455 invalid SYN cookies received
    11441 resets received for embryonic SYN_RECV sockets
    6 ICMP packets dropped because they were out-of-window
    14917079 TCP sockets finished time wait in fast timer
    443 packets rejects in established connections because of timestamp
    112113 delayed acks sent
    171 delayed acks further delayed because of locked socket
    Quick ack mode was activated 5043 times
    44596 times the listen queue of a socket overflowed
    44689 SYNs to LISTEN sockets dropped
    41949 packets directly queued to recvmsg prequeue.
    5763812 bytes directly in process context from backlog
    476464462 bytes directly received in process context from prequeue
    11590555 packet headers predicted
    45607 packets header predicted and directly queued to user
    82151527 acknowledgments not containing data payload received
    12294008 predicted acknowledgments
    120 times recovered from packet loss due to fast retransmit
    24122 times recovered from packet loss by selective acknowledgements
    3 bad SACK blocks received
    Detected reordering 59 times using FACK
    Detected reordering 860 times using SACK
    Detected reordering 167 times using time stamp
    160 congestion windows fully recovered without slow start
    145 congestion windows partially recovered using Hoe heuristic
    407 congestion windows recovered without slow start by DSACK
    5093 congestion windows recovered without slow start after partial ack
    TCPLostRetransmit: 2685
    1 timeouts after reno fast retransmit
    1517 timeouts after SACK recovery
    232 timeouts in loss state
    89053 fast retransmits
    6641 forward retransmits
    4690 retransmits in slow start
    58926 other TCP timeouts
    TCPLossProbes: 21787
    TCPLossProbeRecovery: 1583
    2 classic Reno fast retransmits failed
    2784 SACK retransmits failed
    5021 DSACKs sent for old packets
    15 DSACKs sent for out of order packets
    6697 DSACKs received
    28 DSACKs for out of order packets received
    2203 connections reset due to unexpected data
    1969 connections reset due to early user close
    8359 connections aborted due to timeout
    TCPDSACKIgnoredOld: 237
    TCPDSACKIgnoredNoUndo: 3573
    TCPSpuriousRTOs: 1147
    TCPSackShifted: 251161
    TCPSackMerged: 201227
    TCPSackShiftFallback: 133157
    TCPRcvCoalesce: 191587
    TCPOFOQueue: 14517
    TCPOFOMerge: 15
    TCPChallengeACK: 8517
    TCPSYNChallenge: 7660
    TCPFastOpenCookieReqd: 6
    TCPAutoCorking: 28
    TCPFromZeroWindowAdv: 22
    TCPToZeroWindowAdv: 22
    TCPWantZeroWindowAdv: 1403508
    TCPSynRetrans: 56275
    TCPOrigDataSent: 472324561
    TCPHystartTrainDetect: 151657
    TCPHystartTrainCwnd: 3176714
    TCPHystartDelayDetect: 151
    TCPHystartDelayCwnd: 58703
    TCPACKSkippedSynRecv: 15
    TCPACKSkippedPAWS: 79
    TCPACKSkippedSeq: 92
    TCPACKSkippedFinWait2: 1
    TCPACKSkippedTimeWait: 14
IpExt:
    InBcastPkts: 313978
    InOctets: 448987719578
    OutOctets: 770496841619
    InBcastOctets: 104411537
    InNoECTPkts: 101065954
    InECT1Pkts: 54
    InECT0Pkts: 1933
    InCEPkts: 6