映射脚本自动绑定到默认路由的接口更新IP

--------------对NAT规则备注名进行查找-----------------
:global adcmname "3389"
:global adgw [/ip route get [/ip route find static=yes active=yes dynamic=yes distance=1] gateway]
:global ip [/ip add get [find network=$adgw] address]
:global newip [:pick $ip 0 [:find $ip "/"]]
:global oldip [/ip fi nat get [/ip fi nat find comment=$adcmname] dst-address]
:if ($newip != $oldip) do={
:log info [/ip fi nat set [/ip firewall nat find comment=$adcmname] dst-address=$newip]
}