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.\" $OpenBSD: ldpd.conf.5,v 1.16 2015/07/19 21:01:56 renato Exp $
.\"
.\" Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
.\" Copyright (c) 2005, 2006 Esben Norby <norby@openbsd.org>
.\" Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org>
.\" Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
.\" Copyright (c) 2002 Daniel Hartmeier <dhartmei@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: July 19 2015 $
.Dt LDPD.CONF 5
.Os
.Sh NAME
.Nm ldpd.conf
.Nd Label Distribution Protocol daemon configuration file
.Sh DESCRIPTION
The
.Xr ldpd 8
daemon implements the Label Distribution Protocol as described in RFC 5036.
.Sh SECTIONS
The
.Nm
config file is divided into five main sections.
.Bl -tag -width xxxx
.It Sy Macros
User-defined variables may be defined and used later, simplifying the
configuration file.
.It Sy Global Configuration
Global settings for
.Xr ldpd 8 .
.It Sy Interfaces Configuration
Interface-specific parameters.
.It Sy Targeted Neighbors Configuration
Targeted neighbor specific parameters.
.It Sy Neighbors Configuration
Neighbor-specific parameters.
.El
.Sh MACROS
Much like
.Xr cpp 1
or
.Xr m4 1 ,
macros can be defined that will later be expanded in context.
Macro names must start with a letter, digit, or underscore,
and may contain any of those characters.
Macro names may not be reserved words (for example,
.Ic cost ) .
Macros are not expanded inside quotes.
.Pp
For example:
.Bd -literal -offset indent
hi="2"
interface em0 {
cost $hi
}
.Ed
.Sh GLOBAL CONFIGURATION
All interface related settings can be configured globally and per interface.
The only settings that can be set globally and not overruled are listed below.
.Pp
.Bl -tag -width Ds -compact
.It Xo
.Ic fib-update
.Pq Ic yes Ns | Ns Ic no
.Xc
If set to
.Ic no ,
do not update the Label Forwarding Information Base, a.k.a. the kernel routing
table.
The default is
.Ic yes .
.Pp
.It Ic router-id Ar address
Set the router ID; in combination with labelspace it forms the LSR-ID.
.Pp
.It Ic keepalive Ar seconds
Set the keepalive timeout in seconds.
The default value is 180; valid range is 1\-65535.
.Pp
.It Xo
.Ic targeted-hello-accept
.Pq Ic yes Ns | Ns Ic no
.Xc
If set to
.Ic yes ,
allow LDP sessions to be established with remote neighbors that have not been
specifically configured.
The default is
.Ic no .
.El
.Sh INTERFACES
Each interface can have several parameters configured individually, otherwise
they are inherited.
.Bd -literal -offset indent
interface em0 {
}
.Ed
.Pp
Interface-specific parameters are listed below.
.Bl -tag -width Ds
.It Ic link-hello-holdtime Ar seconds
Set the hello holdtime in seconds.
The maximum time
.Xr ldpd 8
will wait between two consecutive hello messages from a peer before it is
marked as being down.
The default value is 15.
.It Ic link-hello-interval Ar seconds
Set the hello interval in seconds.
The default value is 5; valid range is 1\-65535.
.El
.Sh TARGETED NEIGHBORS
Each targeted neighbor can have several parameters configured individually,
otherwise they are inherited.
.Bd -literal -offset indent
targeted-neighbor A.B.C.D {
}
.Ed
.Pp
Targeted-neighbor specific parameters are listed below.
.Bl -tag -width Ds
.It Ic targeted-hello-holdtime Ar seconds
Set the hello holdtime in seconds.
The maximum time
.Xr ldpd 8
will wait between two consecutive hello messages from a peer before it is
marked as being down.
The default value is 45.
.It Ic targeted-hello-interval Ar seconds
Set the hello interval in seconds.
The default value is 5; valid range is 1\-65535.
.El
.Sh NEIGHBORS
The
.Ic neighbor
section allows for the configuration of neighbor-specific parameters. Note,
however, that
.Xr ldpd 8
uses the hello discovery mechanism to discover its neighbors. Without an
underlying adjacency these commands have no effect.
.Bd -literal -offset indent
neighbor A.B.C.D {
}
.Ed
.Pp
Neighbor-specific parameters are listed below.
.Bl -tag -width Ds
.It Ic password Ar secret
Enable TCP MD5 signatures per RFC 5036.
.El
.Sh FILES
.Bl -tag -width "/etc/ldpd.conf" -compact
.It Pa /etc/ldpd.conf
.Xr ldpd 8
configuration file
.El
.Sh SEE ALSO
.Xr ldpctl 8 ,
.Xr ldpd 8 ,
.Xr rc.conf.local 8
.Sh HISTORY
The
.Nm
file format first appeared in
.Ox 4.6 .
|
