@tcagrie Hi, thanks for your detailed feedback again. Can you share the model of your modem(router)? And who is your ISP? I afraid that I have to confirm one thing again. If you connect your wired...

@soumtr OK, thank you~

@Rex12 Hi, thanks for your detailed sharing~ In your .opvn file, please delete the information below, then you may check the connection again. ignore-unknown-option cipher data-ciphers data-ciphers...

@tcagrie Hi, I think I did not suggest you to remove your modem. Did you try my suggestions above? The most important troubleshooting step is, if your modem is a modem router and your PC can get...

@Pancake__ Hi, so your device is also Archer AXE75 V1 with the latest firmware version? And the IPv6 settings and IPv6 firewall rules settings are totally the same as above? Could you share your own...

@MysticMac Hi, thanks for further sharing~ After confirmation, I am afraid that is normal. Archer C6 V4 does not support to custom DNS.