How do I turn my DD-WRT router in to an access point?
https://serverfault.com/questions/710The trick is to make sure DHCP is turned OFF in the router/access point so that your wireless clients get IPs from your existing router/firewall. There are more details on the DD-WRT wiki but the main idea is that you set the WAN to "Disabled", Disable DHCP, and plug the AP into your network using one of the LAN ports instead of the WAN port (or use the "Assign WAN Port to …
Wireless access point - DD-WRT Wiki
wiki.dd-wrt.com › wiki › indexFor a large network where the DD-WRT router does not provide suitable network core, Wireless Access Point (WAP or just 'AP') allows wireless clients to be a part of the larger network. In this case, clients normally get DHCP configuration from the gateway or some other DHCP server, and could be accessed by other clients on the network (if allowed).
Client Mode - DD-WRT Wiki
https://wiki.dd-wrt.com/wiki/index.php/Client_Mode_WirelessThis mode is NOT for WIRED connections between two routers, like an Access Point. It is a wireless connection between two routers only, usually to the primary gateway router. A Client Mode router connects to a Wireless Access Point (WAP) wireless connection as the WAN interface, and shares the internet connection only to the LAN ports, or a separate WAP for multi …