In the left navigation pane, go to Auth and Directory Services > RADIUS > RADIUS Servers.
To view a RADIUS Server's properties:
To view a RADIUS Server's counters:
Click the Counters text next to the RADIUS server entry in the table.
RADIUS Server Counters
RADIUS Accounting Server Counters
If any server has the Send Connectivity Packet Type parameter set to Request, Ping counters are irrelevant (if the secondary server is set to NONE, even though the ping counters appear, they will not increment.).
To reset a RADIUS Server's counters:
To delete an entry, select the checkbox next to the entry and then click the Delete () icon.