@Darksigns Hi, first of all, I really advise you to upgrade your switch to v3 firmware with new design. Your v2 is ready to be updated to v3. Always use "?" to check, which commands are possible and...

R1D2 wrote The switch seems to add a default Deny rule at the end of the ACL ruleset much like Cisco switches do. @Mitya, can you confirm this? Yes, in new firmware design it works as white-list as...

@Mike63 Also check your system time, if NTP works properly, so switch knows, when it needs to block.

@mploug TL-SG108 and TL-SG108S is the same switch by hardware, just the color of the shell is different. It was done only for some marketing things, now there is no TL-SG108S even on official...

@MaxVec I would directly contact your local support, if you can reproduce it easily. I am not sure something will be fixed on v3, while tplink has v4 already, but you can try.

@Moses_89 It is broken, so go to service-center. RMA = Return Merchandise Authorization