What is WAN IP and Remote Gateway IP used for in LAN to LAN VPN configuration in TCP/IP settings? DrayTek2019-08-27T23:37:20+00:00August 27th, 2019|VPN & Remote Access| The “WAN IP” and “Remote gateway IP” are for IPCP negotiation phase during a PPTP LAN to LAN VPN connection. Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditWhatsAppTumblrPinterestVkEmail