--/interface bridge
add name=Lan
--/interface wireless security-profiles
set [ find default=yes ] supplicant-identity=MikroTik
--/interface l2tp-client
add add-default-route=yes connect-to=x.x.x.x disabled=no name=Cable password=xxxx profile=default user=xxxx
--/interface bridge port
add bridge=Lan interface=ether2
--/ip address
add address=x.x.114.121/29 interface=Lan network=x.x.114.120
--/ip dhcp-client
add add-default-route=special-classless dhcp-options=hostname,clientid disabled=no interface=ether1
--/ip firewall filter
add chain=input log=yes protocol=icmp
add chain=output log=yes protocol=icmp
--/ip firewall mangle
add action=mark-routing chain=prerouting new-routing-mark=Routed_Subnet src-address=x.x.114.120--/29
--/ip route
add distance=1 gateway=Cable routing-mark=Routed_Subnet
--/ip service