1、要匠获针在Ubuntu或者Debian上安装arp-scan则输入：
$ sudo apt-get install arp-scan
2、对于Fedora，CentOS或者RedHat：
$ sudo yum install arp-scan
3、要检测IP冲突，运行下往政面的命令:
$ sudo arp-scan –I eth0 -l
4、输出示例：
192.168.1.10 00:1b:a9:63:a2:4c BROTHER INDUSTRIES, LTD.
192.168.1.30 00:1e:8f:58:ec:49 鬼低 CANON INC.
192.168.1.33 00:25:4b:1b:10:20 Apple, Inc
192.168.1.37 10:9a:dd:55:d7:95 Apple Inc
192.168.1.38 20:c9:d0:27:8d:56 (Unknown)
192.168.1.39 d4:85:64:4d:35:be Hewlett Packard
192.168.1.39 00:0b:46:e4:8e:6d Cisco (DUP: 2)
192.168.1.40 90:2b:34:18:59:c0 (Unknown)