ping 127.0.0.1 出现丢包 是系统负载太高造成的吗

本机ping 127 和自己的IP和往外PING都会出现丢包现象。但是用别的机子PING 这台服务器没丢包现象,ping 值正常。

[Copy to clipboard] [ - ]CODE:# uname -a
UnixWare netback 5 7.1.1 i386 x86at SCO UNIX_SVR5
# ping -i 1 127.0.0.1
PING 127.0.0.1: 56 data bytes
64 bytes from localhost (127.0.0.1): icmp_seq=0. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=1. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=2. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=3. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=4. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=5. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=6. time=0. ms
64 bytes from localhost (127.0.0.1): icmp_seq=7. time=0. ms

----127.0.0.1 PING Statistics----
12 packets transmitted, 8 packets received, 33% packet loss
round-trip (ms)  min/avg/max = 0/0/0
#
# netstat -s
ip:
        203434667 total packets received
        92 bad header checksums
        0 with bad IP version number
        0 with size smaller than minimum
        0 with data size < data length
        0 with header length < data size
        0 with data length < header length
        2 with unknown protocol
        0 with link layer broadcast addr but unicast IP addr
        0 fragments received
        0 fragments dropped (dup or out of space)
        0 fragments dropped after timeout
        0 packets reassembled
        0 packets forwarded
        92121 packets not forwardable
        21 no routes
        0 redirects sent
        0 system errors during input
        203342450 packets delivered
        204290002 total packets sent
        4 system errors during output
        0 packets fragmented
        0 packets not fragmentable
        0 fragments created
        0 PCBs failed connect due to bad source address
icmp:
        134 calls to icmp_error
        0 errors not generated because old message was icmp
        Output histogram:
                echo reply: 99511
                destination unreachable: 132
                echo: 171234
                router solicitation: 27
        0 messages with bad code fields
        0 messages < minimum length
        0 bad checksums
        0 messages with bad length
        0 bad netmasks received
        Input histogram:
                echo reply: 158227
                destination unreachable: 316358
                echo: 99511
        99511 message responses generated
        574096 messages received
        270904 messages sent
        2 messages not sent due to bad source address
        0 system errors during output
igmp:
        0 messages received
        0 messages received with too few bytes
        0 messages received with bad checksum
        0 membership queries received
        0 membership queries received with invalid field(s)
        0 membership reports received
        0 membership reports received with invalid field(s)
        0 membership reports received for groups to which we belong
        6 membership reports sent
        6 total packets sent
        0 output errors
tcp:
        203069801 packets sent
                202704268 packets used fast path
                110045492 data packets (2505163973 bytes)
                68399 data packets (96647819 bytes) retransmitted
                42536421 ack-only packets (285126 delayed)
                0 URG>

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遇到过一次，但不久就自动好了，感觉当时系统负荷也不重，就是网络慢，不知道什么原因

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127.0.0.1是测试TCP/IP协议是否正常的地址。丢包理论与系统的TCP/IP协议处理相关

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TAG标签 : 造成 系统 出现 packets with received bytes 127.0.0.1