Hello,
I apologize in advance if there is a topic which answers my question - I did not found it nor my network knowledge is that deep to figure this out.
I’ve just bought CRS109-8G-1S and RB260GS which should be sufficient to achieve my desire setup - but I’m currently really stuck.
So I have ISP which broadcasts internet [Vlan 1 untaggded] and IPTV [Vlan 6 tagged].
I have only one Ethernet cable from my router (crs109) to my main room where I need to receive both vlans on cables on RB260GS
LAN setup
My current router setup
Router
ETH1 - ISP
ETH2-7 LAN (Eth2 master port LAN)
ETH8 - To switch
IPTV bridge: ETH8 + Vlan6
LAN bridge: ETH2 + Wlan1
Results: I’ve got internet on wifi and eth2-7 and only IPTV on eth8.
Now I need:
Part 1: to send vlan1 unt + vlan6 tag to eth8
Part 2: on RB260GS ETH1 split traffic to eth 2-4 (LAN internet) and Eth5 for IPTV only.
Currently on a switch from ETH8 I receive only IPTV and I’m not able figure it out how to manage Vlans 
I also don’t have any experience with SwOS - if any tips how to split on RG260G, I would really appreciate it.
Update: Config resolved - all working properly.
Details: http://forum.mikrotik.com/viewtopic.php?f=13&t=94317&p=474378#p474378