My ISP gave me a WAN IP x.x.140.169/30 -> Gateway x.x.140.170 and public Ip block x.x.56.141/29 -> Gateway x.x.56.140. I put /30 block IP in my WAN interface. My question is, How to assign one public IP to PPPoE Client via LAN1 interface and others public IP to static IP client Via LAN2 Interface.