检查别人抢ip 方法 一个mac地址就是没人抢
[root@www html]# arping -I eth0 10.0.112.47
ARPING 10.0.112.47 from 10.0.112.134 eth0
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.560ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.587ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.243ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 0.840ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 0.983ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.291ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.253ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.401ms
Unicast reply from 10.0.112.47 [00:0C:29:21:F6:3C] 1.333ms