mikrotik l2tp and iptv

ip route
add dst-address=194.28.72.6 gateway=xxx.xxx.xxx.xxx
add dst-address=194.28.72.9 gateway=xxx.xxx.xxx.xxx

/interface
l2tp-client add connect-to=194.28.72.6 user=XXXX password=YYYY disabled=no add-default-route=yes
/ip firewall
nat add chain=srcnat action=masquerade out-interface=l2tp-out1
filter add action=drop in-interface=l2tp-out1 chain=input place-before=3
filter add action=drop in-interface=l2tp-out1 chain=forward place-before=7 connection-nat-state=!dstnat connection-state=new

/routing igmp-proxy interface
add alternative-subnets=0.0.0.0/0 interface=l2tp-out1 upstream=yes
add interface=bridge
/ip firewall filter
add chain=input in-interface=l2tp-out1 protocol=igmp action=accept place-before=3
add chain=input protocol=udp dst-port=1234 action=accept place-before=4
add chain=forward protocol=udp dst-port=1234 action=accept place-before=5