No, the PC does not need to run 24 hours as long as you don't use functions such as a hotspot portal or reboot schedules, which require the EAC to always run.

Switch Documentation cayvman wrote Not sure where and how to configure the VLAN and where to establish the SSID and IP Address for the VLAN. There doesn't seem to be any video tutorials on OpenWRT,...

Lucas Machado - Prolux wrote Thanks, but I only have direct current. No chance. TL-SG1016D's power supply needs AC.

lapioks1 wrote We want to separate network from main. Then AP router mode makes sense. Did you set the DNS twice (in WAN settings and in LAN settings, the latter just for DHCP leases)? Saved config?...

baldog wrote Thanks for the heads up. I'm in the UK, do you know what the max power output is for here? Do you have any other ideas for increasing the signal or is it just a case of moving the CPE's...

Cluster mode is gone in EAP120. You might choose EAP115, which still has cluster mode, or alternatively use EAP controller with your EAP120.