arp linux command

arp

arp [options]

TCP/IP command. Clear, add to, or dump the kernel's ARP cache (/proc/net/arp).

Options

-v

Verbose mode.

-t type

Search for type entries when examining the ARP cache. type must be ether (Ethernet) or ax25 (AX.25 packet radio); ether is the default.

-a [hosts]

Display hosts' entries or, if none are specified, all entries.

-d host

Remove host's entry.

-s host hardware-address

Add the entry host hardware-address, where ether class addresses are 6 hexadecimal bytes, colon-separated.

-f file

Read entries from file and add them.