Relying on pre-shared Wi-Fi keys (PSK) leaves corporate LANs vulnerable to insider threats and stolen credentials. 802.1X Port-Based Network Access Control authenticates every ethernet port and wireless client individually.
1. 802.1X Dynamic VLAN Assignment Flow
🔐 EAP-TLS Certificate Authentication
Deploy Active Directory Certificate Services (AD CS) or Let's Encrypt automated ACME clients to distribute machine certificates. When a laptop connects, the RADIUS server inspects the cert and dynamically tags the port into the Engineering, Finance, or Quarantine VLAN.