@tbang The WiFi signal broadcasted by Deco X50 will be WiFi 6 and your signal broadcast by Deco M5 will be Wifi5. I use a mixture of M9 Plus and X60 and it works great

@thegoodguy Is your main Deco in Router mode or Access Point mode? DDNS is only available in router mode so if you are using your Deco in AP mode you wont have the DDNS option under Advanced tab on...

@DecoUser001 You can use any port as they are auto sensing. Cheers

@AaronT77 If you received a new VM hub then your MAC address would have changed, did you restart the Deco's? Once restarted they should pick up the new MAC address and internet access should be back,...

@Tomcat_ Nice one 👍

@Tomcat_ from what I've seen online you should be able to do this, change the main Deco to router mode and then choose Dynamic IP for connection type.