You will need a wireless router to create a wireless axcess point to share printer and internet ,not sure if you will be able to all that cna be done when you have a wired network!!check this site and many others found with a Google search .
http://computer.howstuffworks.com/wireless-network.htm
caperjack
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You do not need a router to simply connect the 2 computers to each other, nothing more (for example, no Internet). This type of network is called "ad-hoc mode", because there is no central location.
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caperjack
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