How to add a SysOID for a Device Template simultaneously while creating it?
In the System Object Identifier tab, if you are aware of the SysOID, series and model of the devices that need to be associated with device template, you can directly mention them in the text boxes.
If you are not aware of the SysOID of the devices, click on "Query SysOID" on the top right corner of the page. Give the hostname whose SysOID need to be known to get its SysOID.