@woozle Thank you for the response, appreciated so much. My officemates are all knowledgable in changing their mac addresses, after been blocked them to my main router, it's been a nightmare for me....

Hi TPLINK Community, Good morning! I have a concern on my Archer Wifi. -UserA - Connected to my Tplink wifi, i clicked the blocked user and he/she keeps changing mac address to reconnect on my wifi....