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Linux 网卡CPU诊断命令

2013年05月18日 ⁄ 综合 ⁄ 共 2445字 ⁄ 字号 评论关闭

1. 查看网卡统计信息(来自网卡驱动)

# ethtool -S eth0 (不同的网卡和驱动的输出可能不一样)
NIC statistics:
     rx_packets: 60
     tx_packets: 32
     rx_bytes: 7371
     tx_bytes: 3061
     rx_broadcast: 0
     tx_broadcast: 0
     rx_multicast: 0
     tx_multicast: 0
     rx_errors: 0
     tx_errors: 0
     tx_dropped: 0
     multicast: 0
     collisions: 0
     rx_length_errors: 0
     rx_over_errors: 0
     rx_crc_errors: 0
     rx_frame_errors: 0
     rx_no_buffer_count: 0
     rx_missed_errors: 0
     tx_aborted_errors: 0
     tx_carrier_errors: 0
     tx_fifo_errors: 0
     tx_heartbeat_errors: 0
     tx_window_errors: 0
     tx_abort_late_coll: 0
     tx_deferred_ok: 0
     tx_single_coll_ok: 0
     tx_multi_coll_ok: 0
     tx_timeout_count: 0
     tx_restart_queue: 0
     rx_long_length_errors: 0
     rx_short_length_errors: 0
     rx_align_errors: 0
     tx_tcp_seg_good: 0
     tx_tcp_seg_failed: 0
     rx_flow_control_xon: 0
     rx_flow_control_xoff: 0
     tx_flow_control_xon: 0
     tx_flow_control_xoff: 0
     rx_long_byte_count: 7371
     rx_csum_offload_good: 52
     rx_csum_offload_errors: 0
     alloc_rx_buff_failed: 0
     tx_smbus: 0
     rx_smbus: 0
     dropped_smbus: 0

2. 查看操作系统UDP报文统计信息(来自Linux内核)

sender:~ # netstat -su -A inet6
    12500 total packets received
    0 incoming packets discarded
    12220 incoming packets delivered
    0 forwarded
    39227597 requests sent out
    20 outgoing packets dropped
    506 incoming multicast packets
    79 outgoing multicast packets
    Ip6InOctets: 1784565
    Ip6OutOctets: 44396413753
    Ip6InMcastOctets: 31144
    Ip6OutMcastOctets: 5776
    Ip6InBcastOctets: 0
    Ip6OutBcastOctets: 0
    955 ICMP messages received
    0 input ICMP message failed.
    786 ICMP messages sent
    Icmp6OutErrors: 0
    ICMP input histogram:
        echo requests: 220
        group member queries: 18
        group member responses: 19
        neighbour solicits: 452
        neighbour advertisement: 246
        Icmp6InMLDv2Reports: 0
        ICMP output histogram:
        echo replies: 220
        group member responses: 33
        router solicits: 3
        Icmp6OutRouterAdvertisements: 0
        neighbor solicits: 74
        neighbor advertisements: 452
        Icmp6OutMLDv2Reports: 4
        Icmp6InType128: 220
        Icmp6InType130: 18
        Icmp6InType131: 19
        Icmp6InType135: 452
        Icmp6InType136: 246
        Icmp6OutType129: 220
        Icmp6OutType131: 33
        Icmp6OutType133: 3
        Icmp6OutType135: 74
        Icmp6OutType136: 452
        Icmp6OutType143: 4
Udp6:
    0 packets received
    0 packets to unknown port received.
    0 packet receive errors
    39219160 packets sent
    Udp6RcvbufErrors: 0

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