Sorry, my bad. I moved one of the APs to the switch connected with a 0.5m patch and it works at 2.5G. The wires are like 20 meters long (CAT6), do not know if that can cause the problem? All 8 cables...

Hi I just got a new switch, TL-SG3210XHP-M2 v1.0. When connected my EAP670s to the multigig port on the switch. The negotiated speed is 1G, when i force the swicth to use 2.5G, the APs refuse to...