OSPFD.CONF(5)             OpenBSD Programmer's Manual            OSPFD.CONF(5)

NAME
     ospfd.conf - Open Shortest Path First daemon configuration file

DESCRIPTION
     The ospfd(8) daemon implements the Open Shortest Path First protocol ver-
     sion 2 as described in RFC 2328.

SECTIONS
     The ospfd.conf config file is divided into three main sections.

     Macros
           User-defined variables may be defined and used later, simplifying
           the configuration file.

     Global Configuration
           Global settings for ospfd(8).  A number of global settings can be
           overruled in specific areas or interfaces.

     Areas
           An OSPF router must be a member of at least one area.  Areas are
           used to group interfaces, simplifying configuration.

     Additional configuration files can be included with the include keyword,
     for example:

           include "/etc/ospfd.sub.conf"

MACROS
     Macros can be defined that will later be expanded in context.  Macro
     names must start with a letter, and may contain letters, digits, and un-
     derscores.  Macro names may not be reserved words (for example, area,
     interface, or hello-interval).  Macros are not expanded inside quotes.

     For example:

           hi="5"
           area 0.0.0.0 {
                   interface em0 {
                           hello-interval $hi
                   }
           }

     The same can be accomplished by specifying the hello-interval globally or
     within the area declaration.

GLOBAL CONFIGURATION
     All interface related settings can be configured globally, per area and
     per interface.  The only settings that can be set globally and not over-
     ruled are listed below.

     fib-update (yes|no)
             If set to no, do not update the Forwarding Information Base,
             a.k.a. the kernel routing table.  The default is yes.  Setting
             fib-update to no will implicitly set the stub router option to
             ensure that no traffic tries to transit via this router.

     rdomain tableid
             Specifies the routing table ospfd(8) should modify.  Table 0 is
             the default table.

     [no] redistribute (static|connected|default)[set ...]
     [no] redistribute prefix [set ...]
     [no] redistribute rtlabel label [set ...]
             If set to connected, routes to directly attached networks will be
             announced over OSPF.  If set to static, static routes will be an-
             nounced over OSPF.  If set to default, a default route pointing
             to this router will be announced over OSPF.  It is possible to
             specify a network range with prefix; networks need to be part of
             that range to be redistributed.  Additionally it is possible to
             redistribute based on route labels using the rtlabel keyword.  By
             default no additional routes will be announced over OSPF.

             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 no will
             force the route to be not announced.  The only exception is
             default, which will be set no matter what, and additionally no
             cannot be used together with it.

             It is possible to set the route metric and type for each redis-
             tribute rule.  type is either 1 or 2.  The default value for type
             is 1 and for metric is 100.  Setting more then one option needs
             curly brackets:

                   redistribute static set { metric 300 type 2 }

     rfc1583compat (yes|no)
             If set to yes, decisions regarding AS-external routes are evalu-
             ated according to RFC 1583.  The default is no.

     router-id address
             Set the router ID; if not specified, the numerically lowest IP
             address of the router will be used.

     rtlabel label external-tag number
             Map route labels to external route tags and vice versa.  The ex-
             ternal route tag is a non-negative 32-bit number attached to AS-
             external OSPF LSAs.

     spf-delay (seconds|msec microseconds)
             Set the SPF delay.  The delay between receiving an update to the
             link state database and starting the shortest path first calcula-
             tion.  The default value is 1 second; valid range is 10 microsec-
             onds-10 seconds.

     spf-holdtime (seconds|msec microseconds)
             Set the SPF holdtime.  The minimum time between two consecutive
             shortest path first calculations.  The default value is 5 sec-
             onds; the valid range is 10 microseconds-5 seconds.

     stub router (yes|no)
             If set to yes, all interfaces with active neighbors will have a
             metric of infinity.  This ensures that the other routers prefer
             routes around this router while still being able to reach direct-
             ly connected IP prefixes.  The stub router option is automatical-
             ly enabled if either the sysctl(8) variable
             net.inet.ip.forwarding is set to a value different to 1 or if the
             FIB is not coupled.

AREAS
     Areas are used for grouping interfaces.  All interface-specific parame-
     ters can be configured per area, overruling the global settings.

     area address
             Specify an area section, grouping one or more interfaces.

                   area 0.0.0.0 {
                           interface em0
                           interface em1 {
                                   metric 10
                           }
                   }

     Area specific parameters are listed below.

     demote group [count]
             Increase the carp(4) demotion counter by count on the given in-
             terface group, usually carp, when no neighbor in the area is in
             an active state.  The demotion counter will be decreased when one
             neighbor in that area is in an active state.  The default value
             for count is 1.

             For more information on interface groups, see the group keyword
             in ifconfig(8).

     stub [redistribute default] [set ...]
             Mark the area as stub.  Stub areas will not be flooded by as-ext
             LSA, resulting in smaller routing tables.  Area border routers
             should redistribute a default network LSA; this can be enabled by
             specifying the default redistribute option.  A default summary
             LSA will only be redistributed if the router has an active con-
             nection to the backbone area 0.0.0.0.

INTERFACES
     Each interface can have several parameters configured individually, oth-
     erwise they are inherited.  An interface is specified by its name.  If
     multiple networks are configured an additional IP address can be sup-
     plied.  By default the first IP address is used.

           interface em0 {
                   auth-type crypt
                   auth-md 1 "yotVoo_Heypp"
                   auth-md-keyid 1
           }
           interface fxp0:192.168.1.3

     Interface-specific parameters are listed below.

     auth-key key
             Set the authentication key for simple authentication.  Up to 8
             characters can be specified.

     auth-md key-id key
             Set the authentication key-id and key for crypt authentication.
             The valid range for key-id is 0-255.  Up to 16 characters can be
             specified for key.  Multiple keys may be specified.

     auth-md-keyid key-id
             Configure the key-id to use for crypt authentication.  The valid
             range for key-id is 0-255.  The default key-id is 1.  While key-
             id 0 is valid, it is unavailable on various other implementa-
             tions.

     auth-type (none|simple|crypt)
             Set the authentication type.  The default is none.  Simple au-
             thentication uses a plaintext password, up to 8 characters.
             Crypt authentication uses an MD5 hash.

     demote group
             Increase the carp(4) demotion counter by 1 on the given interface
             group, usually carp, when the interface state is going down.  The
             demotion counter will be decreased when the interface state is
             active again.

     fast-hello-interval msec microseconds
             If the interface is configured to use router-dead-time minimal,
             hello packets will be sent using this timer.  The default value
             is 333; valid range is 50-333 microseconds.

     hello-interval seconds
             Set the hello interval.  The default value is 10; valid range is
             1-65535 seconds.

     metric cost
             Set the interface metric a.k.a. cost.  The default value is 10;
             valid range is 1-65535.

     passive
             Prevent transmission and reception of OSPF packets on this inter-
             face.  The specified interface will be announced as a stub net-
             work.

     retransmit-interval seconds
             Set retransmit interval.  The default value is 5 seconds; valid
             range is 5-3600 seconds.

     router-dead-time (seconds|minimal)
             Set the router dead time, a.k.a. neighbor inactivity timer.  The
             default value is 40 seconds; valid range is 2-2147483647 seconds.
             If the router dead time has been set to minimal, the timer is set
             to 1 second and hello packets are sent using the interval speci-
             fied by fast-hello-interval.  When a neighbor has been inactive
             for router-dead-time its state is set to DOWN.  Neighbors that
             have been inactive for more than 24 hours are completely removed.

     router-priority priority
             Set the router priority.  The default value is 1; valid range is
             0-255.  If set to 0 the router is not eligible as a Designated
             Router or Backup Designated Router.

     transmit-delay seconds
             Set the transmit delay.  The default value is 1; valid range is
             1-3600 seconds.

FILES
     /etc/ospfd.conf  ospfd(8) configuration file

SEE ALSO
     ospfctl(8), ospfd(8), rc.conf.local(8)

HISTORY
     The ospfd.conf file format first appeared in OpenBSD 3.7.

OpenBSD 4.7                    February 16, 2010                             4
