How to Place a Switch Between a Cable Modem & Wireless Router

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Dozens of computers can connect to a modem/switch/router setup.

A handful of ways exist to set up a home network to share an Internet connection, but the safest, most reliable and scalable way is to use a router and switch or hub in combination. Placing the switch between the cable (or DSL) modem and the wireless router adds an extra layer of protection from threats on the Internet and adding more connections to the network is as simple as plugging another router into the switch.

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Step 1

Unplug the power supplies for the cable modem, switch and wireless router. Unplug any Ethernet cables that are plugged into any of them.

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Step 2

Connect an Ethernet cable to the Ethernet port on the back of the cable modem.

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Step 3

Numbered Ethernet ports are grouped away from the "Internet" port.

Plug the other end into a numbered Ethernet port on the switch. Do not plug the cable into a "LAN" or "Internet" port. If you are using a dedicated switch and not a converted router, any Ethernet port will do.

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Step 4

Connect another Ethernet cable to another numbered Ethernet port on the switch and plug the other end into the "WLAN," "WAN" or "Internet" port on the wireless router.

Step 5

Plug the power supplies of the cable modem, switch and wireless router in. After two minutes, the network and Internet connection is ready to go.

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