.\"	$KAME: dhcp6s.8,v 1.34 2005/03/17 05:27:01 suz Exp $
.\"
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.Dd Sep 12, 1999
.Dt DHCP6S 8
.Os KAME
.Sh NAME
.Nm dhcp6s
.Nd DHCPv6 server
.\"
.Sh SYNOPSIS
.Nm
.Op Fl c Ar configfile
.Op Fl Ddf
.Op Fl k Ar ctlkeyfile
.Op Fl p Ar ctlport
.Op Fl P Ar pid-file
.Ar interface
.\"
.Sh DESCRIPTION
.Nm
replies to DHCPv6 client as DHCPv6 server.
.Nm
can give the following information to clients.
.Bl -bullet -compact
.It
IPv6 prefixes for the requesting site
.It
Non-temporary IPv6 addresses
.It
A list of the DNS server addresses
.It
DNS Domain Search List
.It
A list of the NTP server addresses
.It
A list of the SIP server addresses
.It
SIP Server domain name
.It
A list of the NIS server addresses
.It
NIS domain name
.It
A list of the NIS+ server addresses
.It
NIS+ domain name
.It
A list of the BCMCS server addresses
.It
BCMCS Server domain name
.El
.Pp
Command line options are as below:
.Bl -tag -width indent
.\"
.It Fl c Ar configfile
Use
.Ar configfile
as the configuration file.
.It Fl d
Print debugging messages.
.It Fl D
Even more debugging information is printed.
.It Fl f
Foreground mode (useful when debugging).
Although
.Nm
usually prints warning, debugging, or error messages to
.Xr syslog 8 ,
it prints the messages to standard error if this option is
specified.
.It Fl k Ar ctlkeyfile
Use
.Ar ctlkeyfile
to store the shared secret to authenticate the communication with
.Nm dhcp6ctl .
The default file name used when unspecified is
.Pa /etc/wide-dhcpv6/dhcp6sctlkey .
The default name is intentionally same as that for
.Nm dhcp6ctl
so that the server and the control command can share the file when
.Nm dhcp6ctl
controls the server on the same node,
which should be the typical case.
.It Fl p Ar ctlport
Use
.Ar ctlport
as the port number listening on to communicate with
.Nm dhcp6ctl .
.It Fl P Ar pid-file
Use
.Ar pid-file
to dump the process ID of
.Nm .
.El
.\"
.Sh FILES
.Bl -tag -width /etc/wide-dhcpv6/dhcp6s.conf -compact
.It Pa /etc/wide-dhcpv6/dhcp6s.conf
is the default configuration file.
.It Pa /var/lib/dhcpv6/dhcp6s_duid
is the default file to store the server's DUID.
.It Pa /etc/wide-dhcpv6/dhcp6sctlkey
is the default key file to communicate with the control command.
See
.Xr dhcp6ctl 8
for the file format.
.It Pa /var/run/dhcp6s.pid
is the default file that contains pid of the currently running
.Nm .
.El
.\"
.Sh SEE ALSO
.Xr dhcp6s.conf 5 ,
.Xr dhcp6ctl 8 ,
.Xr dhcp6c 8
.Rs
.%A Ralph Droms, Editor
.%D 2003
.%T Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
.%R RFC 3315
.Re
.\"
.Sh HISTORY
The
.Nm
command first appeared in WIDE/KAME IPv6 protocol stack kit.
.Pp
The
.Fl n Ar dnsserv
command-line option was obsoleted by introducing a configuration file.
.\"
.Sh BUGS
.Nm
is incomplete and violates DHCPv6 protocol spec, in several aspects.
To name a few:
.Bl -enum
.It
it does not assign temporary IPv6 addresses
.Pq nor will .
.El