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130 lines
3.8 KiB
Groff
130 lines
3.8 KiB
Groff
.\" $KAME: ip6addrctl.8,v 1.3 2003/03/22 05:56:41 jinmei Exp $
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.\"
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.\" Copyright (C) 2001 WIDE Project.
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.\" 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. Neither the name of the project nor the names of its 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 THE PROJECT 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 PROJECT 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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.Dd August 10, 2024
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.Dt IP6ADDRCTL 8
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.Os
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.\"
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.Sh NAME
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.Nm ip6addrctl
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.Nd configure address selection policy for IPv6 and IPv4
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.\"
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.Sh SYNOPSIS
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.Nm
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.Op Cm show
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.Nm
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.Cm add
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.Ar prefix precedence label
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.Nm
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.Cm delete
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.Ar prefix
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.Nm
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.Cm flush
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.Nm
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.Cm install
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.Ar configfile
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.\"
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.Sh DESCRIPTION
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The
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.Nm
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utility manages the policy table of source and destination address
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selection for outgoing IPv4 and IPv6 packets.
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When
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.Nm
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is invoked without an argument or with a single argument
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.Cm show ,
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it prints the content of the policy table currently installed in the
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kernel.
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.Pp
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To modify the table, the following operations are available:
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.Bl -tag -width indent
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.It Cm add Ar prefix precedence label
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Add a policy entry.
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The
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.Ar prefix
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argument
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is an IPv6 prefix, which is a key for the entry.
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An IPv4 prefix should be specified with an IPv6 prefix using an
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IPv4-mapped IPv6 address.
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The
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.Ar precedence
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and
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.Ar label
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arguments
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are decimal numbers, which specify the precedence and label values
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for the entry, respectively.
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This operation should be performed without an existing entry for the
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prefix.
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.It Cm delete Ar prefix
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Delete a policy entry specified by
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.Ar prefix ,
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which should be an IPv6 prefix.
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A corresponding entry for the prefix should have already been
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installed.
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.It Cm flush
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Delete all existing policy entries in the kernel.
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.It Cm install Ar configfile
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Install policy entries from a configuration file named
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.Ar configfile .
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The configuration file should contain a set of policy entries.
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Each entry is specified in a single line which contains an IPv6 prefix,
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a decimal precedence value, and a decimal label value, separated with
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white space or tab characters.
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In the configuration file, lines beginning with the pound-sign
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.Pq Ql #
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are
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comments and are ignored.
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.El
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.\"
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.Sh EXIT STATUS
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.Ex -std
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.\"
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.Sh SEE ALSO
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.Xr getaddrinfo 1 ,
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.Xr getaddrinfo 3
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.Rs
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.%A "Dave Thaler"
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.%A "Richard Draves"
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.%A "Arifumi Matsumoto"
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.%A "Tim Chown"
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.%T "Default Address Selection for Internet Protocol Version 6 (IPv6)"
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.%R RFC 6724
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.Re
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.\"
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.Sh HISTORY
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The
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.Nm
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utility first appeared in the KAME IPv6 protocol stack kit.
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The original command name was
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.Nm addrselect ,
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but it was then renamed to the current one so that the name would
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describe its function well.
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.\" .Sh BUGS
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.\" (to be written)
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