Tagged: namespaces
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Linux Networking from the Ground Up: Network Namespaces, veth Pairs, and Building a Multi-Router Lab on One Host
Build a real multi-router BGP and OSPF lab on a single Linux box using network namespaces, veth pairs, and FRRouting — no VMs, no containers, no GNS3. A practical walk-through of the primitives that GNS3, Docker, and Kubernetes are quietly using under the hood.