>What's more, use a good quality Ethernet cable to power it on. @Vincent-TP thank you for your answers. Could you expand on what is a "good quality" cable for powering the EAP772? Do you mean, e.g....

The multi-gigabit business gateway routers like ER8411 & ER7412-M2 should support LAG and/or LACP with the Omada Ethernet switches. Otherwise it is difficult to pass on the bandwidth other than...

Automated certificate management should be standard these days and should support any ACME provider, including Let's Encrypt.