I have a qwest wireless modem in my home. I also have an ethernet plug behing my tv. I need to get the satallite receiver, xbox and blue ray all running in the interenet but there is only one ethernet plug. can I use an extra wireless router (Linksys), plug it into the thernet port on the wall and then plug everythin into the router to get them online?
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Yes, but you should disable DHCP and use only the LAN ports.