Flexible Software Routing with Open Source FRR

The FRR open routing stack can be integrated into many networks because it supports a large number of routing protocols, though its strong dependence on the underlying kernel means it requires some manual configuration.

By Benjamin Pfister

Updated Sep 10, 2026 3:05 PM / Published Oct 2, 2021 3:00 AM 12 min read

Cat in a box — Photo by Sahand Babali on Unsplash

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Benjamin Pfister

Benjamin Pfister is an IT systems engineer. He has worked as a service technician and system administrator; currently heads the network and telecommunications department in the city of Kassel, Germany; and is an IT consultant and technical writer.