On the Activities tab, click New.
Select Connectivity.Login test. Enter a unique Name. Leave the other options on this tab at their defaults.
Click on the Time tab.
Select, for instance, "Every 10 minutes" as the Recurring option in the Times box to run the activity every 10 minutes. Leave all other options on this tab at their defaults.
Click on the Devices tab.
Select the Devices you want to test for Login.
Click on the Options tab.
Check both the "Enter Enable mode if possible" and the "Only record Login failures" boxes.
Click the OK button.