@Jinko Make sure the Private MAC Address is disabled on your clients, otherwise, the parental control won't take effect. There's a newer FW release for your device fixing some vulnerabilities.

@marcusob You'll benefit from Link Aggregation only when accessing the device from your LAN. Here's a typical scenario using this feature.

@Errefae You can make one last attempt using this guide - it's explicitly for VR600 device. Check this thread, this one and this one, you'll see a similar experiance when trying to put VR600 in AP...

@Errefae Case 1 is only when the device has a dedicated AP mode, which VR600 hasn't. Wireless router mode and AP mode are different modes - here's the difference.

@Errefae What device did you try with ? Yes, the slave router (VR600) configuration should be manual access point mode - Case 2, but for some reason it doesn't work for you as expected. If you have...

@Errefae You can browse the devices' logs to see if there's anything related to this issue, that could lead you to the root cause. Try to test with another device (if you have an old router around or...