Mac OS X / Darwin man pages : arp (8)
arp (8)
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arp - address resolution display and control
arp [-n] hostname
arp [-n] -a
arp -d hostname
arp -s hostname ether_addr [temp] [pub]
arp -f filename
The arp program displays and modifies the Internet-to-Ethernet address
translation tables used by the address resolution protocol (arp(4)
).
With no flags, the program displays the current ARP entry for hostname.
The host may be specified by name or by number, using Internet dot notation.
Available options:
- -a
- The program displays all of the current ARP entries.
- -d
- A super-user may delete an entry for the host called hostname
with the -d flag.
- -n
- Show network addresses as numbers (normally arp attempts to display
addresses symbolically).
- -s hostname ether_addr
-
Create an ARP entry for the host called hostname with the Ethernet
address ether_addr. The Ethernet address is given as six hex
bytes separated by colons. The entry will be permanent unless
the word temp is given in the command. If the word pub is given,
the entry will be published"; i.e., this system will act as an
ARP server, responding to requests for hostname even though the
host address is not its own.
- -f
- Causes the file filename to be read and multiple entries to be
set in the ARP tables. Entries in the file should be of the form
hostname ether_addr [temp] [pub]
with argument meanings as given above.
inet(3)
, arp(4)
, ifconfig(8)
The arp command appeared in 4.3BSD.
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