Check out Grandstrem's YouTube channel for their step-by-step video tutorials.
Everything you need to know to setup and use Grandstream routers, managed switches and access points with the free cloud controller on their GWN cloud portal.
Sign up for your free cloud controller here: https://www.gwn.cloud/
Use the cloud portal as a private individual, for your company network or as a full-blown Managed Service Provider/IT Support company.
It's completely free of charge and as powerful as you want it to be.
See the video tutorials here: https://www.youtube.com/watch?v=6emuF0ivo-Y&list=PLQjqIzhEDsL5WF3BdaBs7gTxXclCfYn6O&index=2
See the full GWN range here: https://www.gowifi.co.nz/index.php?virtuemart_manufacturer_id[0]=9&custom_f_23[0]=363632&Itemid=231&option=com_customfilters&view=products&lang=en