Hi, Yes, put the LAG in the VLAN as well, it is effectively its own port. 
Hello,I have a simple question here, I configured a LAG betwen a 6224 and 5424, all ports are in a Vlan 4 ok.=> It is necessary to put the LAG in the Vlan 4 too ? It is only mark here the Channel 1 ? [IMAGE]
Vlan in a Lag port