I tested on the RB1100AH and on the CCR and results were terrible.
I bridged two ports on the CCR (ethernet8 and ethernet9) and put through them about 110 TV channels, multicast. When viewing TV, the cubes/pixelation appear on all TV channels.
So far I have used RB1100 where I put two ports in the switch group and it works perfectly for the last 2 years. However, now I need to send over fiber optic entire stream to another town, and I thought to use CCR for that because it has a SFP slots, however CCR don't have a switch chip and via bridge is not working ok. Using PIM is out of the question and IGMP proxy also because of bugs. Can someone from Mikrotik tell whether there is any solution for this problem?
