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.\" $OpenBSD: ripd.conf.5,v 1.6 2007/05/31 19:20:28 jmc Exp $
.\"
.\" Copyright (c) 2006 Michele Marchetto <mydecay@openbeer.it>
.\" 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: May 31 2007 $
.Dt RIPD.CONF 5
.Os
.Sh NAME
.Nm ripd.conf
.Nd Routing Information Protocol daemon configuration file
.Sh DESCRIPTION
The
.Xr ripd 8
daemon implements the Routing Information Protocol version 2 as described
in RFC 2453.
.Sh SECTIONS
The
.Nm
config file is divided into three 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 ripd 8 .
.It Sy Interfaces Configuration
Interface 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, and may contain letters, digits,
and underscores.
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
Global settings concerns the main behaviour of the daemon.
.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 Forwarding Information Base, a.k.a. the kernel routing
table.
The default is
.Ic yes .
.Pp
.It Xo
.Op Ic no
.Ic redistribute
.Sm off
.Po Ic static Ns \&| Ns Ic connected Ns \&| Ns
.Ic default Pc
.Sm on
.Xc
.It Xo
.Op Ic no
.Ic redistribute Ar prefix
.Xc
.It Xo
.Op Ic no
.Ic redistribute rtlabel Ar label
.Xc
If set to
.Ic connected ,
routes to directly attached networks will be
announced over RIP.
If set to
.Ic static ,
static routes will be announced over RIP.
If set to
.Ic default ,
a default route pointing to this router will be announced over RIP.
It is possible to specify a network range with
.Ar prefix ;
networks need to be part of that range to be redistributed.
Additionally it is possible to redistribute based on route labels
using the
.Ic rtlabel
keyword.
By default no additional routes will be announced over RIP.
.Pp
.Ic redistribute
statements are evaluated in sequential order, from first to last.
The first matching rule decides if a route should be redistributed or not.
Matching rules starting with
.Ic no
will force the route to be not announced.
.Pp
.It Xo
.Ic split-horizon
.Sm off
.Po Ic default Ns \&| Ns Ic poisoned Ns \&| Ns
.Ic none Pc
.Sm on
.Xc
If set to
.Ic default ,
do not redistribute routes to the interface from which they were learned.
If set to
.Ic poisoned ,
redistribute routes to the interface from which they were learned, by
forcing the metric to infinity.
Both these behaviours can resolve routing loops when a router goes down.
The default is
.Ic none .
.Pp
.It Xo
.Ic triggered-updates
.Pq Ic yes Ns \&| Ns Ic no
.Xc
Immediately trigger responses when a route changes.
The default is
.Ic yes .
.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 auth-key Ar key
Set the authentication key for
.Ic simple
authentication.
Up to 16 characters can be specified.
.It Ic auth-md Ar key-id key
Set the authentication
.Ar key-id
and
.Ar key
for
.Ic crypt
authentication.
The valid range for
.Ar key-id
is 0\-255.
Up to 16 characters can be specified for
.Ar key .
Multiple keys may be specified.
.It Ic auth-md-keyid Ar key-id
Configure the
.Ar key-id
to use for
.Ic crypt
authentication.
The valid range for
.Ar key-id
is 0\-255.
The default key-id is 1.
.It Xo
.Ic auth-type
.Po Ic none Ns \&| Ns
.Ic simple Ns \&| Ns Ic crypt Pc
.Xc
Set the authentication type.
The default is
.Ic none .
Simple authentication uses a plaintext password, up to 16 characters.
Crypt authentication uses an MD5 hash.
.It Ic cost Ar number
Cost of the network connected through this interface.
Values must be between 1 and 16, inclusive.
.It Ic passive
Prevent transmission and reception of RIP packets on this interface.
.El
.Sh FILES
.Bl -tag -width "/etc/ripd.conf" -compact
.It Pa /etc/ripd.conf
.Xr ripd 8
configuration file
.El
.Sh SEE ALSO
.Xr rc.conf.local 8 ,
.Xr ripctl 8 ,
.Xr ripd 8
.Rs
.Sh HISTORY
The
.Nm
file format first appeared in
.Ox 4.1 .
|
