[root@localhost ~]# arping --help
arping: invalid option -- '-'
Usage: arping [-fqbDUAV] [-c count] [-w timeout] [-I device] [-s source] destination
-f : quit on first reply #收到一次回复就离开
-q : be quiet #安静模式
-b : keep broadcasting, don't go unicast #保持广播，不要单播
-D : duplicate address detection mode #重复地址检测模式
-U : Unsolicited ARP mode, update your neighbours #主动ARP模式，更你的邻居
-A : ARP answer mode, update your neighbours #ARP应答模式，更新你的邻居
-V : print version and exit #显示版本并退出
-c count : how many packets to send #发送多少包
-w timeout : how long to wait for a reply #设置一个回复需要等待多久
-I device : which ethernet device to use (eth0) #网卡设备
-s source : source ip address #设置原地址
destination : ask for what ip address
[root@localhost ~]#