/interface list member
add interface=bridge list=LAN
/ip firewall filter add action=accept chain=input in-interface=bridge src-address=\
192.168.21.0/24 place-before=4
/interface bridge
add name=bridge-loopback-for-ike2
/ip address
add address=172.16.11.1/24 interface=bridge-loopback-for-ike2
/ip route
add distance=1 dst-address=192.168.250.0/24 gateway=bridge-loopback-for-ike2