- Navigate to Services | FRR OSPF.
- Check the Enable checkbox to enable OSPF routing.
- In the Router ID text field, specify the Router ID (RID).
- In the Area text field, enter the OSPFd area for this instance of OSPF.
- In the Disable FIB updates (Routing table) drop-down menu, you may select any of several stub options to bring the router online without immediately routing any traffic:
- None: The routing table is updated.
- Stub area: Router is shielded from external routes, but receives information about networks that belong to other areas of the same OSPF domain.
- Totally stub: Only the default summary route is allowed.
- Not so Stub Area: Type 7 Link-State Advertisements (LSAs) are allowed.
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You may choose one or more Redistribute options:
- Connected networks
- pfSense static routes
- BGP routes
- Static routes
- FRR routes
- You may set the SPF Hold Time, which is the minimum hold time between SPF calculations (anywhere between 1-5 seconds).
- You may set the SPF Delay, which is the minimum time between updates to the link state database and SPF calculations.
- You may check the RFC 1583 compatible checkbox if you want to ensure AS-external routes are evaluated according to RFC 1583.
- You may add one or more subnets to routes to distribute, or disable route distribution entirely.
- Click on the Save button when done.