@Raghav1505 If your DDNS updates with IP address like 10.x.x.x, then your public IP address is given to the device before C60. If your C60 WAN IP address is private one (10.x.x.x), then you can't use...

@msacco It's similar, just follow Chapter 5 in your user guide to do the configuration. You can refer this guide as well.

@msacco VR400 v1 FW version is from 2016 and if you see the following interface: then you have only Bandwidth Control, but not QOS. Here's your user guide.

@Bamba The other thing that may cause this behavior could be the private MAC address security mechanism used to prevent device tracking. Synopsis of Parental Control not working when the devices are...

@SteveOllie Check this answer. If you want a WDS compatible device you can go for Archer C6/A6 or Archer C7/A7. From AX series I believe AX73 and AX6000 support WDS as well.

@LCG What's the make and model of your ISP device ? I'm pretty sure that your AX600 WAN connection to the ISP device is configured as Dynamic IP, right ? If you're connected directly to the ISP...