ETHERS(4)							     ETHERS(4)

NAME    [Toc]    [Back]

     ethers - ethernet address to hostname database

DESCRIPTION    [Toc]    [Back]

     The ethers	file contains information regarding the	known (48 bit)
     ethernet addresses	of hosts on the	internet.  For each host on an
     ethernet, a single	line should be present with the	following information:

	  ethernet address
	  official host	name

     Items are separated by any	number of blanks and/or	tabs.  A `#' indicates
     the beginning of a	comment	extending to the end of	line.

     The standard form for ethernet addresses is ``x:x:x:x:x:x'' where x is a
     hexadecimal number	between	0 and ff, representing one byte.  The address
     bytes are always in network order.	 Host names may	contain	any printable
     character other than a space, tab,	newline, or comment character.	It is
     intended that host	names in the ethers file correspond to the host	names
     in	the hosts(4) file.

     The ether_line() routine from the ethernet	address	manipulation library,
     ethers(3Y)	may be used to scan lines of the ethers	file.

FILES    [Toc]    [Back]

     /etc/ethers

SEE ALSO    [Toc]    [Back]

     rarpd(1M),	ethers(3Y), hosts(4)


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