What are the pros and cons of LAN to LAN and LAN to WAN? - Quora
networking - Expanding wireless coverage: What are the differences between LAN to LAN and LAN to WAN when it comes to connecting two wireless routers? - Super User
What is the difference between a WAN port and a LAN port
LAN WAN Router - Smart Buyer
Allow LAN Client to Choose the Outgoing WAN by LAN IP Alias | DrayTek
TP-Link 2 WAN ports + 3 LAN ports Load Balance Router, 266MHz Intel IXP NPU - Great buy