To add a device and enable BIG-IP monitoring on it:
From Infrastructure, select Add a Single Device from (Add Device).
The Add a Single Device page appears.
Enter a name for the device, and then select these values:
Model Device - De-select this option.
Device Class - Select
/Network/BIG-IP
.
Click Add.
Navigate to the newly created device.
Select Configuration Properties in the left panel.
Change the values of these configuration properties:
Click Save.
Model the device. To to this, select Manage > Model Device from the page menu.
Zenoss models the device. When modeling completes, you can view the device. After approximately fifteen minutes, you can verify that the performance graphs are updating.