109 lines
3.2 KiB
Groff
109 lines
3.2 KiB
Groff
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.\" Copyright (c) 1995
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.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd May 11, 2004
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.Dt EUI64 5
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.Os
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.Sh NAME
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.Nm eui64
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.Nd IEEE EUI-64 address database
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.Sh DESCRIPTION
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The
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.Nm
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database contains information regarding known IEEE EUI-64s of hosts.
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The data is stored in a file called
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.Pa /etc/eui64
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in the following format:
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.Bd -unfilled -offset indent
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.Pa EUI-64 host-name
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.Ed
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.Pp
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Items are separated by any number of blanks and/or
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tab characters.
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A
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.Dq #
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at the start of a line indicates the
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beginning of a comment that extends to the end of the line.
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Valid lines may also contain comments.
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A
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.Dq +
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at the start of a line will cause the
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.Xr eui64 3
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library functions to use data stored in the
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.Xr NIS 4
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.Pa eui64.byname
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and
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.Pa eui64.byid
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maps in addition to the data in the
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.Pa /etc/eui64
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file.
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.Pp
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An EUI-64 is expressed in
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.Tn ASCII
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form as "x-x-x-x-x-x-x-x" where
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.Ar x
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is a hexadecimal value between 0x00 and 0xFF.
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The address values
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should be in network order.
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Hostnames specified in the
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.Pa /etc/eui64
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database should correspond to entries in the
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.Xr hosts 5
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file.
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./" .Pp
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./" The
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./" .Fn eui64_line
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./" function in the standard C library can be used to break individual
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./" lines in the
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./" .Pa /etc/eui64
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./" database into their individual components: a binary EUI-64 is
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./" stored as an
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./" .Pa eui64_addr
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./" structure, and a hostname stored as a character string.
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.Sh FILES
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.Bl -tag -width /etc/eui64 -compact
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.It Pa /etc/eui64
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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 eui64 3 ,
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.Xr yp 8
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.Sh HISTORY
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The
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.Nm
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format is based on the
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.Xr ethers 5
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format.
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