Simple definition
A dynamic routing protocol used within an organization.
Technical definition
Open Shortestpath First is a link-state protocol that calculates the best paths from a shared topology base between routers.
What is it used for ?
Automatically exchange routes between several routers or internal sites.
Practical example
Routers of several buildings can automatically learn the available networks through OSPF.
Common issues
- Neighborhood OSPF not established
- Unconfigured areas
- Costs of inconsistent links
Related terms
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.