I have a home network connected to the Internet via a cable modem. Right now, I am connecting a Linksys Etherfast
Cable/DSL router to the cable modem. I have three PCs connected to this router with Ethernet cable. This is on the first floor of my house. I have two more PCs I'd like to connect but they are on the third floor. So, I'm thinking about adding a wireless router to the mix. Can I just plug a wireless router to the uplink port on my existing router and wireless cards to the PCs upstairs? If not, what do I need to do to add wireless to my network? Yes, you could drop a wireless access point (AP) off the uplink port of your existing router, creating a WLAN for your upstairs PCs. Start with the AP on the first floor, next to your existing router, and see how well it performs. You might need to locate the AP on the third or at least the second floor, because the farther your stations are from the AP, the weaker the signal and therefore slower the link.
For hardware, you have several options:
Whatever you do, be sure to use security features on the wireless AP/router to limit access to the WLAN, so that war drivers can't use your new WLAN to access your wired PCs or your Internet connection.
Dig deeper on Wireless LAN Implementation
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