Are you using HiveManager Classic or ExtremeCloud IQ? If you're using HiveManager Classic I can walk you through how to do this, but if you're using ExtremeCloud IQ that isn't an option we have available in the GUI.
This guide will walk you through how to determine which HiveManager you are using, for reference: https://thehivecommunity.aerohive.com/s/article/Which-HiveManager-Platform-am-I-using
