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.\" $OpenBSD: slaacd.8,v 1.5 2017/05/30 12:39:33 jmc Exp $
.\"
.\" Copyright (c) 2017 Florian Obser <florian@openbsd.org>
.\" Copyright (c) 2016 Kenneth R Westerback <kwesterback@gmail.com>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: May 30 2017 $
.Dt SLAACD 8
.Os
.Sh NAME
.Nm slaacd
.Nd a stateless address autoconfiguration daemon
.Sh SYNOPSIS
.Nm
.Op Fl dv
.Op Fl s Ar socket
.Sh DESCRIPTION
.Nm
is a stateless address autoconfiguration (SLAAC) daemon.
It listens for IPv6 router advertisement messages on interfaces with the
.Sy AUTOCONF6
flag set.
.Nm
derives IPv6 addresses and default routes from received router
advertisements and installs them in the kernel.
See
.Xr hostname.if 5
and
.Xr ifconfig 8
on how to enable auto configuration on an interface.
.Pp
.Nm
monitors network interface states (interface going up or down,
auto configuration enabled or disabled etc.) and sends router solicitations
when necessary.
.Pp
A running
.Nm
can be controlled with the
.Xr slaacctl 8
utility.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d
Do not daemonize.
If this option is specified,
.Nm
will run in the foreground and log to
.Em stderr .
.It Fl s Ar socket
Use an alternate location for the default control socket.
.It Fl v
Produce more verbose output.
.El
.Sh FILES
.Bl -tag -width "/var/run/slaacd.sockXX" -compact
.It Pa /var/run/slaacd.sock
.Ux Ns -domain
socket used for communication with
.Xr slaacctl 8 .
.El
.Sh SEE ALSO
.Xr hostname.if 5 ,
.Xr ifconfig 8 ,
.Xr slaacctl 8
.Sh STANDARDS
.Rs
.%A T. Narten
.%A E. Nordmark
.%A W. Simpson
.%A H. Soliman
.%D September 2007
.%R RFC 4861
.%T Neighbor Discovery for IP version 6 (IPv6)
.Re
.Pp
.Rs
.%A J. Jeong
.%A S. Park
.%A L. Beloeil
.%A S. Madanapalli
.%D November 2010
.%R RFC 6106
.%T IPv6 Router Advertisement Options for DNS Configuration
.Re
.Pp
.Rs
.%A R. Draves
.%A D. Thaler
.%D November 2005
.%R RFC 4191
.%T Default Router Preferences and More-Specific Routes
.Re
.Sh HISTORY
The
.Nm
program first appeared in
.Ox 6.2 .
.Sh AUTHORS
.An -nosplit
The
.Nm
program was written by
.An Florian Obser Aq Mt florian@openbsd.org .
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