동일한 네트워크에서 중복되는 IP를 검색 합니다.

- arp Request 보내기

[root@hostway ~]# arping -I eth0 -c 3 211.115.202.200

ARPING 211.115.202.200 from 211.115.202.199 eth0

Unicast reply from 211.115.202.200 [3A:06:CE:2D:D4:E4]  1.037ms

Unicast reply from 211.115.202.200 [3A:06:CE:2D:D4:E4]  1.147ms

Unicast reply from 211.115.202.200 [3A:06:CE:2D:D4:E4]  1.034ms

Sent 3 probes (1 broadcast(s))

Received 3 response(s)

-arping 를 사용하여 중복 IP검색

[root@hostway ~]# arping -D -I eth0 -c 3 211.115.202.200

ARPING 211.115.202.200 from 0.0.0.0 eth0

Unicast reply from 211.115.202.200 [3A:06:CE:2D:D4:E4]  1.023ms

Sent 1 probes (1 broadcast(s))

Received 1 response(s)

[root@hostway ~]#

- Option

[root@hostway ~]# arping

Usage: arping [-fqbDUAV] [-c count] [-w timeout] [-I device] [-s source] destination

  -f : quit on first reply

  -q : be quiet

  -b : keep broadcasting, don't go unicast

  -D : duplicate address detection mode

  -U : Unsolicited ARP mode, update your neighbours

  -A : ARP answer mode, update your neighbours

  -V : print version and exit

  -c count : how many packets to send

  -w timeout : how long to wait for a reply

  -I device : which ethernet device to use (eth0)

  -s source : source ip address

  destination : ask for what ip address

[root@hostway ~]#