EAP-TLS

TLS — Transport Layer Security

EAP-TLS adds mutual authentication via certificates, and TLS.

References

RFC 9190: Using the Extensible Authentication Protocol with TLS 1.3 | RFC Editor

RFC 5216: The EAP-TLS Authentication Protocol | RFC Editor

Configure EAP-TLS on 9800 WLC with ISE Internal CA - Cisco

Cisco Live - Maximize Your 9800 Wireless Controller Capabilities: Troubleshoot 802.1x and Gain Radius Fragment Control with MTU - Carlos Socorro - TACENT-2025