Dear all,
I am not an expert in networking and I have serious problems reproducing this situation I had in my openwrt 19 on WRT3200adm
The configuration of a VLAN 100 is a necessary condition to be able to watch TV with the French provider Free and my wife and kids are very unhappy 
Thanks
Not quiet sure but I have read somewhere here in the forum that on dual or multi CPU device all/each CPU needs to have the vlan tagged.
What port is TV connected? We see no LAN ports with '100' tag.
At that time I was using LAN1
So what is your task? To connect '100' VLAN to TV?
Yep, I am in this situation: [Tutorial] Linksys WRT3200ACM - FreeBox V8 Bridge here @sattaz explains the situation well
After 2 days of testing I am still unable to correctly setup a VLAN with OpenWRT 21 