Symptom
The maximum value ISE allows the session-timeout, RADIUS attribute 27, is 65535.
Conditions
Configuring the session-timeout value (RADIUS attribute 27) in ISE.
Workaround
None, the GUI can not be overridden.
Further Problem Description
The maximum value stated by RFC 2865 is 4294967295 seconds.
The Cisco WLC with an SSID configured for 802.1x supports up to 86400 seconds.
