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  是谁给了我答复？ - cdk [ 2004-06-30 14:29 | 1,156 byte(s)]
Re: 是谁给了我答复？ - milod [ 2004-07-04 09:31 | 239 byte(s)]
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在一个192.168.0.*网段内，我PING 192.168.0.0和PING 192.168.0.255结果不一样。
我想请问，是谁对我PING 192.168.0.255做了回应？
C:>ping 192.168.0.0
Pinging 192.168.0.0 with 32 bytes of data:
Destination specified is invalid.
Destination specified is invalid.
Destination specified is invalid.
Destination specified is invalid.
Ping statistics for 192.168.0.0:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:>ping 192.168.0.255
Pinging 192.168.0.255 with 32 bytes of data:
Reply from 192.168.0.2: bytes=32 time<1ms TTL=64
Reply from 192.168.0.4: bytes=32 time<1ms TTL=64
Reply from 192.168.0.2: bytes=32 time<1ms TTL=64
Reply from 192.168.0.2: bytes=32 time<1ms TTL=64
Ping statistics for 192.168.0.255:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
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你这是在windows下的结果。
192.168.0.255是192.168.0.0/24的limited broadcast地址。所有linux主机都会对广播ping进行回复。但你的windows主机只把第一个回复的报文显示出来。
192.168.0.0是网络地址，一般没有你所述的用法。that's all.
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----
性格左右命运 气度影响格局
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