@Sandori did you test it based on iperf? or speed test? cannot say for sure but it could be hardware limit.

@ishanjain28 i don't wanna argue and don't wanna agree with what was said in your pasted link. so what's the point in removing the native vlan or default vlan? leaving a port completely unfunctional...

@Gamienator can you be specific about the issue? what are ath0 and ath10?

@Naldjer i'd say that could be the protocol issues. is this vlan interface + acl setup from tp-link guide? what kind of protocol does it use? how do you expect it to work? is there a problem with...

@nsnidanko then there isn't. the only way to learn about this is to use wireshark and capture this.

@ER7212PC have you checked each site you own under this tp-link id? did you clean the site' log?