[ozrien]

Mismatched device icons is explained in section 21.19 in the Talon SRX Software reference manual. Rebooting the RIO, or RIO-resets, requires manual refresh of the browser (duplicate tab, close-reopen-window, press F5 or CTRL-R). If you change device IDs using a browser opened prior to RIO-reset or RIO power cycle, then you will see the symptoms you have reported.

Common ID talons reveal themselves as red blips on the Talon LEDs and web-config literally tells you when this happens in the software status. See section 2.2 in the Talon SRX Software reference manual for details.