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IABSD.fr/src/sbin/dhcp6leased/dhcp6leased.8
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.\" $OpenBSD: dhcp6leased.8,v 1.2 2024/10/30 17:01:28 florian Exp $ .\" .\" Copyright (c) 2024 Florian Obser <florian@openbsd.org> .\" .\" 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: October 30 2024 $ .Dt DHCP6LEASED 8 .Os .Sh NAME .Nm dhcp6leased .Nd Dynamic Host Configuration Protocol (DHCPv6) client daemon for IPv6 prefix delegation .Sh SYNOPSIS .Nm .Op Fl dnv .Op Fl f Ar file .Op Fl s Ar socket .Sh DESCRIPTION .Nm is an IPv6 dynamic host configuration protocol (DHCPv6) daemon for clients. It requests IPv6 prefix delegations from DHCPv6 servers for assignment to downstream interfaces. .Pp DHCPv6 clients are identified by DHCPv6 Unique Identifiers (DUID). .Nm uses a DUID based on a random Universally Unique Identifier (UUID). The DUID is stored in .Pa /var/db/dhcp6leased/uuid . If the file does not exist or the UUID is not readable a new UUID is generated. .Pp A running .Nm can be controlled with the .Xr dhcp6leasectl 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 f Ar file Specify an alternative configuration file. .It Fl n Configtest mode. Only check the configuration file for validity. .It Fl s Ar socket Use an alternate location for the default control socket. .It Fl v Produce more verbose output. Multiple .Fl v options increase the verbosity. .El .Sh FILES .Bl -tag -width "/var/db/dhcp6leased/<if>" -compact .It Pa /dev/dhcp6leased.sock .Ux Ns -domain socket used for communication with .Xr dhcp6leasectl 8 . .It Pa /etc/dhcp6leased.conf Default .Nm configuration file. .It Pa /var/db/dhcp6leased/ Ns Aq Ar if Interface specific lease files. .It Pa /var/db/dhcp6leased/uuid DUID to identify this client. .El .Sh SEE ALSO .Xr dhcp6leased.conf 5 , .Xr dhcp6leasectl 8 , .Xr ifconfig 8 .Sh STANDARDS .Rs .%A T. Mrugalski .%A M. Siodelski .%A B. Volz .%A A. Yourtchenko .%A M. Richardson .%A S. Jiang .%A T. Lemon .%A T. Winters .%D November 2018 .%R RFC 8415 .%T Dynamic Host Configuration Protocol for IPv6 (DHCPv6) .Re .Sh HISTORY The .Nm program first appeared in .Ox 7.6 . .Sh AUTHORS .An -nosplit The .Nm program was written by .An Florian Obser Aq Mt florian@openbsd.org .