Fortinet MR1 manual Configuring Router Route Preference, Configurable Data

Models: MR1

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Preference - Specifies a preference value for the configured next hop.

Command Buttons

Add Route - Go to a separate page where a route can be created.

Configuring Router Route Preference

Use this panel to configure the default preference for each protocol (e.g. 60 for static routes, 170 for BGP). These values are arbitrary values in the range of 1 to 255 and are independent of route metrics. Most routing protocols use a route metric to determine the shortest path known to the protocol, independent of any other protocol.

The best route to a destination is chosen by selecting the route with the lowest preference value. When there are multiple routes to a destination, the preference values are used to determine the preferred route. If there is still a tie, the route with the best route metric will be chosen. To avoid problems with mismatched metrics (i.e. RIP and OSPF metrics are not directly comparable) you must configure different preference values for each of the protocols.

Configurable Data

Static - The static route preference value in the router. The default value is 1. The range is 1 to 255.

OSPF Intra - The OSPF intra route preference value in the router. The default value is 8. The range is 1 to 255. The OSPF specification (RFC 2328) requires that preferences must be given to the routes learned via OSPF in the following order: intra < inter < type-1 < type-2.

OSPF Inter - The OSPF inter route preference value in the router. The default value is 10. The range is 1 to 255. The OSPF specification (RFC 2328) requires that preferences must be given to the routes learned via OSPF in the following order: intra < inter < type-1 < type-2.

OSPF Type-1- The OSPF type-1 route preference value in the router. The default value is 13. The range is 1 to 255. The OSPF specification (RFC 2328) requires that preferences must be given to the routes learned via OSPF in the following order: intra < inter < type-1 < type-2.

OSPF Type-2- The OSPF type-2 route preference value in the router. The default value is 150. The range is 1 to 255. The OSPF specification (RFC 2328) requires that preferences must be given to the routes learned via OSPF in the following order: intra < inter < type-1 < type-2.

RIP - The RIP route preference value in the router. The default value is 15. The range is 1 to 255.

Non-Configurable Data

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Fortinet MR1 manual Configuring Router Route Preference, Configurable Data