OSPF Passive Interfaces: Configuration and Best Practices (Updated 2025)
In OSPF (Open Shortest Path First), OSPF passive interface is a configuration that prevents the router from sending or receiving OSPF Hello packets on a specific interface while still allowing the connected network to be advertised in OSPF updates. This is crucial for CCNA and CCNP students to understand as it optimizes bandwidth, enhances security, […]