Source

This entry indicates how the WLAN client obtained the PMK:

• Unknown: The source is unknown. This entry should not occur in normal operation.
• Authentication: PMK is the result of a normal 802.1x-authentication between WLAN-client and access point.
• Pre-Authentication: PMK is the result of a normal 802.1x-pre-authentication between the WLAN client and another access point.

Telnet path:

Status > WLAN > PMK-Caching > Content