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Linux Server Network Namespaces and VRF A Practical Guide
In episode 151 of Linux Server Admin, Lucas and Luna dive into network namespaces and Virtual Routing and Forwarding (VRF) on Linux servers. They explain how network namespaces give you isolated network stacks, why they're the backbone of container networking, and how VRFs let you run multiple routing tables on a single server. Using a concrete example—a server with two uplinks to different ISPs—they walk through a policy-based routing setup that sends traffic through distinct paths. They also touch on troubleshooting with tools like ip netns exec and ping, and share a real-world story about…
The skinny
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