OSPF Virtual Link Network Type Considerations

When configuring OSPF virtual links, it's important to consider the network type of both the virtual link itself and the intermediate area through which it passes. While there's no strict requirement for a specific network type on the virtual link, consistency is key. The network type should be the same on both ends of the virtual link to ensure proper functionality.

The network type of the intermediate area influences how OSPF adjacencies form and how Link State Advertisements (LSAs) are propagated. This can impact the overall behavior and efficiency of the virtual link.

When troubleshooting virtual link issues, verify the network type configuration on both routers involved in the virtual link. Ensure they match to avoid potential problems with adjacency formation or LSA propagation.

https://networklessons.com/ospf/how-to-configure-ospf-virtual-link