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I have D-link DSL 2750U wireless router. My PC and notebook are connected to router by Wi-Fi. They can share files or ping each other. I have a network storage unit plugged into router by an ethernet cable. Any of the computers cannot reach that storage unit or ping it. I guess my router isolates LAN network from WLAN network. Is there a way to combine them and get the router treat all devices connected to router in a single network? Thanks.
1Some routers have two VLANs that are built in; Main Wireless and Guest Wireless. Make sure that you're not connecting through the guest wireless. – kobaltz – 2012-10-29T00:21:09.930
Isolation between LAN and WLAN is not standard behaviour for these types of router, but might be a setting you may have inadvertently enabled. If you plug another device into the LAN ports, are you able to connect to the NAS from it? – Paul – 2012-10-29T00:41:37.253