EIGRP configuration

Network diagram illustrating EIGRP passive-interface configuration with three routers and connected devices.

How to Configure EIGRP Passive-Interface

Posted on January 7, 2020 by Asad Ijaz

A passive interface is used in all routing protocols, where we can stop sending updates from a specific interface. The behavior varies from o­ne protocol to another. In EIGRP, using the passive-interface, we stop sending outgoing hello packets; therefore, the router cannot form any neighbor adjacencies via the passive interface. This behavior stops both outgoing… Read more

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Diagram illustrating equal-cost load balancing and EIGRP unequal-cost load balancing with routers R1, R2, and R3.

What is Network Load Balancing

Posted on August 23, 2019 by Asad Ijaz

Routers use administrative distance (AD) to prioritize routes learned from different routing protocols when multiple paths to a destination exist. AD is a value assigned to each routing protocol, with lower values indicating higher preference (e.g., EIGRP AD is 90, OSPF AD is 110). If multiple paths exist within the same protocol (same AD), the… Read more

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