1. Complete Configuring Physical Interfaces for the interface.
2. Assign an IP address to the interface (see Assigning IP Addresses).
3. Click on the home page.
4. Click the OSPF link in the Routing Configuration section.
5. (Optional) Enter the router ID in the Router ID field.
6. (Optional) If you have new OSPF areas to enter:
Repeat this step for each new area. Area 0.0.0.0 is already defined as the backbone area.
7. Assign the appropriate area to each interface.
8. (Optional) Click the simple radio button for in the Authentication section in each area.
9. (Optional) Enter the password in the Authentication Key field for each interface.
The authentication key must be the same for all routers in an OSPF area.
10. (Optional) If some of the defined areas are stub areas:
This is not an option for the backbone area.
11. (Optional) Enter a new cost metric in the default cost field for each area.
This is useful for stub areas with multiple exit points to influence the decision about closest-exit routing.
12. (Optional) If some of the stub areas are totally stubby areas:
This will disallow the stub area entry point from advertising inter-area routes and summaries.
13. (Optional) For each summary you want to define:
This is useful for decreasing the number of prefixes advertised into the backbone.
14. (Optional) For each summary you do not want to define, click the off radio button in the Restrict section where the network prefix summary is defined.
15. (Optional) For each interface's hello and dead interval you want to change:
The hello and dead intervals must be the same for all adjacent OSPF peers.
16. (Optional) Enter a new cost metric in the OSPF Cost field for each interface.
17. Click .
18. Click .
If you want to make the changes permanent, click on the configuration
page.