Dear @LBel, Thank you thank you! I didn't think of the mismatched frequencies between US and CAN device. In my case only channel 149 and upward was selectable. Maybe a good idea to update your...

Dear @JACKFOK, If you ping the gateway on the PC, do you get replies successfully? How about ping the other PC in the same VLAN? If ping doesn't work, you may check the firewall settings on your PCs...

Dear @Scolette, Is it possible in the switch GUI to name the ports? Thanks for your feedback Sorry I'm afraid not.

Hi All, I've reported the case to the senior engineers for some tests. But they failed to reproduce the problem discussed in this topic. There might be something we overlooked, may I have a backup...

Dear @Zick, Welcome and glad to know that your concern was resolved finally. Hope you enjoy the Internet with TP-Link products. Cheers!

Dear @jmanderson, Please refer to the following FAQ and check if it is helpful for your case. 【FAQs Released】How to add an Omada Gateway to the network