OpManager allows you to choose the polling method for the discovered devices - IP Address or DNS Name. By
default, the IP Address is selected. If you choose DNS Name, the device's IP address is updated every 6 hours.

There are two ways to change the settings:

How to change the device individually

1. Click on the Device in the Inventory → Go to the Device Summary page.
2. Click the “” icon in the top right corner of the page.
3. Click [Edit device information].
4. In Polling, select either IP Address or DNS.
   
5. Click Save.

How to change the default

1. Go to Settings → Monitoring → Monitoring Settings
   
2. Under general, check either the IP address or DNS in Polling.
   
3. Click Save.