IMHO with the latest AX6000 FW release (Archer AX6000(EU)_V1_1.3.2 Build 20230906) the issue with Parental Controls and QoS features was addressed. If you revert to a previous FW release these...

@Emanuele906 Archer C5 v2 doesn't support telnet nor SSH access.

@Jdhn You're in a double NAT scenario. For this to work as expected you need to disable this setting on C24 (given that you've made the necessary port-forwarding on TL-WR940N):

@mountain64 Did you click on Save button after setting the IPv6 DNS IPs: And after reopening this setting there's nothing saved in both IPv6 DNS fields ?

@Jdhn Here's a guide for configuring remote management of C24. For this to work, make sure that your C24 WAN(Internet) IP address is the same as your public IP address (i.e. you're not behind double...

@Demoon Use another ethernet port on the TL-SG1005P to connect the EAP653. If that doesn't help, change the ethernet cable with another one of a good quality (CAT 5E/6). You can observe the...