Simulating Multiple Servers Across Isolated Network Domains on a Single Linux Host
Overview This document describes a method for simulating multiple servers belonging to different network domains on a single Linux host. Each simulated server runs inside its own Linux network namespace and is connected to a dedicated VLAN. Training and demonstration environments Each namespace behaves as an independent server with: Its own IP address Its own MAC address An SSH service A simple HTTP server Network Topology The Linux host uses the following interfaces: ...