...
vlan database
vlan 10,12,40
exit
!
ip multicast-routing igmp-proxy
!
hostname PROXY
!
interface gigabitethernet 1/0/1
switchport mode general
switchport general allowed vlan add 40 tagged
switchport general allowed vlan add 12 untagged
selective-qinq list ingress add_vlan 12
exit
!
interface tengigabitethernet 1/0/1
switchport mode trunk
switchport trunk allowed vlan add 10,12,40
switchport forbidden default-vlan
exit
!
interface vlan 10
name Multicast
ip address 192.168.10.2 255.255.255.0
exit
!
interface vlan 12
ip address 192.168.12.1 255.255.255.0
ip igmp-proxy vlan 10
exit
!
interface vlan 40
ip address 192.168.40.2 255.255.255.0
ip igmp-proxy vlan 10
exit
!
exit
...