Table of contents （Click to go to where you want to see） 1. Definition of VLAN 2. Types of VLAN 3. Main functions of VLAN in industrial routers 4. Comparative analysis Industrial networks with and without VLAN Static VLAN vs. dynamic VLAN VLAN vs. subnet 5. Best practices for implementing industrial VLAN 6. Future outlook: Evolution of VLAN in Industry 5.0 Introduction: New Requirements for Industrial Networks Driven by Industry 4.0 and smart manufacturing, the Industrial Int