47 lines
1.0 KiB
Groff
47 lines
1.0 KiB
Groff
.\" $NetBSD: ethers.5,v 1.4 1998/04/29 11:33:55 fair Exp $
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.\"
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.\" Written by Roland McGrath <roland@frob.com>. Public domain.
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.\"
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.Dd December 16, 1993
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.Dt ETHERS 5
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.Os NetBSD
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.Sh NAME
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.Nm ethers
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.Nd Ethernet host name data base
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.Sh DESCRIPTION
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The
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.Nm
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file maps Ethernet MAC addresses to host names.
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Lines consist of an address and a host name, separated by any number
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of blanks and/or tab characters.
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A ``#'' character indicates the beginning of a comment;
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characters up to the end of
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the line are not interpreted by routines which search the file.
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.Pp
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Ethernet MAC addresses are expressed as six hexadecimal numbers separated
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by colons, e.g. "08:00:20:00:5a:bc".
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The functions described in
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.Xr ethers 3
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and
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.Xr ether_aton 3
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can read and produce this format.
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.Sh FILES
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.Bl -tag -width /etc/ethers -compact
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.It Pa /etc/ethers
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The
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.Nm
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file resides in
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.Pa /etc .
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.El
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.Sh SEE ALSO
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.Xr ethers 3
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.Sh BUGS
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A name server should be used instead of a static file.
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.Sh HISTORY
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The
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.Nm ethers
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file format was adopted from
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.Tn SunOS
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and appeared in
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.Nx 1.0 .
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