@Czega, maybe an issue with LLDP being disabled or blocked?

@Oliv2831, for me I only see the active link light (physical and in the Omada controller; I don't use the web UI). I plugged in SFP Copper transceivers in port 26 and 28 and no lights. When a a...

@MiroM, because it's a school I was worried that the kids could be doing something, but not if it's installed that high. Remote troubleshooting can be challanging; I can only think of a few more...

@Oliv2831, yes a device is connected. I think this is either a limitation of my sfp module or RJ45 modules in general. You need to check the port status to see if there is a valid connection. In this...

@Oliv2831, "Having tens of AP falling back to the same default IP is surprising" Yeah, a post to see what others do would be interesting. I just set the fallback IP to match the DHCP assigned value...

@Oliv2831 Oliv2831 wrote Lately, I had bad experiences with gigabit/copper SFP modules in TL-SG2428P. For an unknown reason, it seems one module stopped to forward some incoming broadcast on VLAN1....