With a powerful router as the VR2800 : 1- why is the VLAN interface feature not available? I just upgraded from VR400 and the tab for interface grouping is gone! I would like to add a separate VLAN...

In the last few months when I use 2.4 and 5 GHz frequency on the Wi-Fi every two or three days the router network traffic completely freezes and WIFI asks from SSID password again. if I reboot all...