In today’s blog, we’re diving into one of the most essential concepts that often gets overlooked when learning OSPF—OSPF Router Types: ABR, ASBR, and DR. I remember back in my early days of CCNP preparation, this topic felt dry—just definitions. But once I started applying […]
![OSPF Router Types Explained: ABR, ASBR, DR Roles, CLI, Lab & Real-World Examples. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-Router-Types-Explained_ABR_ASBR_DR-Roles_networkjourney.png)