The advertised prefix appears as an OSPF internal route and is filtered at area borders with the OSPF area ranges. Configure a stub network to advertise reachability to prefixes that are not running OSPF. Specifies a stub network to which the specified interface range belongs. If you mark a range as restrict, it is not advertised to other areas. An address range is defined by an IP prefix and a mask length. Be careful when configuring an address range that covers part of a prefix that is not contained within an area. If a given prefix aggregates a number of more specific prefixes within an area, you can configure an address range that becomes the only prefix advertised to other areas. These ranges are used to reduce the number of routing entries that a given area transmits to other areas. Set ospf Īny area can be configured with any number of address ranges. Run the set ospf command with these options: Global settings apply to all configured OSPF areas, including the backbone and stub areas.
Note - In a cluster, you must select a router ID and make sure that it is the same on all cluster members. Use an address on a loopback interface that is not the loopback address (127.0.0.1). This prevents the router ID from changing if the interface used for the router ID goes down. We recommend setting the router ID rather than relying on the default setting. The router ID is used by the BGP and OSPF protocols. The Router ID uniquely identifies the router in the autonomous system. Setting the router ID prevents the ID from changing if the default interface used for the router ID goes down. Best Practice - Check Point recommends setting the router ID rather than relying on the default setting. Do not use 0.0.0.0 as the router ID address. Specifies a specific IP address to assign as the router ID.
Selects the highest interface address when OSPF is enabled. When you do initial configuration, set the router ID. You can still use the Gaia Portal to configure route redistribution into OSPF.
For example if OSPF uses route maps for inbound filtering, anything configured on the Gaia Portal page for inbound route filters for OSPF is ignored. Route map configuration done through the CLI takes precedence over route filtering and redistribution configured in the Gaia Portal. You can configure route maps and route aggregation using CLI commands. You must configure inbound routing policies and redistribution of routes through the Gaia Portal. Note - Gaia does not have CLI commands for route filtering and redistribution. This syntax is shown below for each set of commands. Use these commands below to set and view parameters for OSPF:
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