excuse me, sorry my bad english and i use google translate
I’m making L2TP/IPSec VPN but can only be connected in one network when outside the network if it can not be connected
please help me 
thanks
Did you open ports UDP 500 and UDP 1701 on your WAN interface?
/ip firewall filter
add chain=input comment=IKE dst-port=500 in-interface=ether1-gateway protocol=udp
add chain=input comment=L2TP dst-port=1701 in-interface=ether1-gateway protocol=udpPut these rules on top of your filter list.
Cheers
-Chris