The final step is connecting
the router??™s WAN port to your DSL modem.
Step 5: Connect Your Router to Your Modem
Of the six connections on your router, the WAN port is the one that connects to your
DSL (or cable) modem. Connections beyond your own LAN to other locations, in this
case the Internet, are considered a wide area network. This is the port to and from
which Internet traffic flows and is filtered for your local computers. All network activity
on the LAN side of the router stays on the LAN unless traffic must flow to other
locations??”the Internet at large or perhaps a connection to your office.
Connect an Ethernet cable from the WAN port of your router to the LAN or Ethernet
port of your DSL modem. When the connection is made, your router controls
and distributes Internet data to your computers.
The completed wiring of computer, router, and DSL modem is shown in
Figure 10-9. You may change the cable to be of any convenient length up to 300 feet??”
Figure 10-9
A complete DSL
modem to router to
laptop wiring example
72 Project 10
so one cable could connect to a computer close to the router, and others could connect
to computers across the room or in other rooms, or to a wireless access point. The
schematic of your new network configuration is shown in Figure 10-10.
With this enhanced configuration, your network is ready for just about anything.
The projects ahead will exploit both Internet and internal network sharing capabilities,
and help you avoid others exploiting your network from inside and out.
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