IS there a way to configure a "Guest Network" on the Deco for Wired connections or a VLAN?

I want to isolate my CCTV system which is Wired IP from the rest of my network (not the best trust in china :) )

I have 4 Cameras hooked up to a Managed switch which is connected to the Deco Main Unit (Deco is in Router Mode)

from what i can see the VLAN option in the Deco menu is only related to ISP connection or IPTV (Not a VLAN in the sense of the local network) and the only guest network option in can see is in Wifi.

head scratch..........