Tag: ospf passive interface command

Network topology diagram showing OSPF passive interface on Router1's LAN connection with IP addresses and router IDs.
CCNA September 1, 2019

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,...
Asad Ijaz Read More
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