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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. With the -a flag, the program displays all of the current ARP entries by reading the table from the file kmem (default /dev/kmem) based on the kernel file mach (default /mach).
With the -d flag, a super-user may delete an entry for the host called hostname.
The -s flag is given to 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. The word trail indicates that trailer encapsulations may be sent to this host.
The -f flag 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 ] [ trail ]
with argument meanings as given above.
The -e flag 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
ether_addr hostname [ temp ] [ pub ] [ trail ]
with argument meanings as given above. Note that this flag is the same as the -f flag except that the first two fields in the file to be read are reversed. This format is suitable for reading the /etc/ethers file used by the yellow pages.
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Created by unroff & hp-tools. © somebody (See intro for details). All Rights Reserved. Last modified 11/5/97