netstat으로 현재 서버에서 사용하고 있는 프로토콜들의 사용통계 확인하기

[root@su250 ~]# netstat -s

Ip:

    1109 total packets received

    0 forwarded

    0 incoming packets discarded

    826 incoming packets delivered

    729 requests sent out

Icmp:

    10 ICMP messages received

    0 input ICMP message failed.

    ICMP input histogram:

        echo replies: 10

    10 ICMP messages sent

    0 ICMP messages failed

    ICMP output histogram:

        echo request: 10

IcmpMsg:

        InType0: 10

        OutType8: 10

Tcp:

    0 active connections openings

    2 passive connection openings

    0 failed connection attempts

    1 connection resets received

    1 connections established

    799 segments received

    685 segments send out

    3 segments retransmited

    0 bad segments received.

    0 resets sent

Udp:

    17 packets received

    0 packets to unknown port received.

    0 packet receive errors

    29 packets sent

UdpLite:

TcpExt:

    5 delayed acks sent

    1 delayed acks further delayed because of locked socket

    121 packets header predicted

    274 acknowledgments not containing data received

    0 TCP data loss events

    3 other TCP timeouts

IpExt:

    InMcastPkts: 66

    OutMcastPkts: 14

    InBcastPkts: 208

[root@su250 ~]#