To Add Your Router To An Existing Router Or Gateway; To Share An Internet Connection - Linksys E1500 User Manual

Linksys E-Series

To add your router to an existing router or gateway

In most cases, you can easily add your router to an existing wireless network by
running Cisco Connect If you are unable to set up the additional router using
the instructions below, see "To share an Internet connection" on page 36 or "To
extend your network" on page 37
To add a router to your existing wireless network:
1. Insert the Cisco Connect setup CD into a CD/DVD drive on your computer,
then follow the on-screen instructions
2. When you are told to connect your router's Internet port to the LAn/
Ethernet port on your modem, connect your router's Internet port to
the LAn/Ethernet port on your existing (upstream) router or gateway
3. Follow the on-screen instructions until setup is complete

To share an Internet connection

noTE
This is a complex process, so this procedure assumes that you have
some networking knowledge
To add another router to share an Internet connection:
This topic covers cases one and two above
1. Determine the IP address range for your upstream (office or building)
network
To determine the address range by using a Windows computer:
a. Connect your computer into your upstream network's router
b. Click Start, Run, type CMD, then click oK The command prompt
window appears
c. Type ipconfig, then press Enter
TIP
Although you can determine your computer's IP address in many
ways, this method is very fast
d. Take note of the IP address In this example, the IP address is
192 168 100 192
To determine the address range by using a Mac computer:
a. Connect your computer into your upstream network's router
b. From the Dock, click System preferences, click network, then click
Ethernet in the window to the left A network status window appears
c. Take note of the IP address In this example, the IP address is
192 168 100 139
Example: The above examples show that upstream IP addresses are on
the 192 168 100 0 network (The "0" indicates the entire network ) Your
upstream network's address may be different The default address of
your new Linksys router is 192 168 1 1 In setting up one router behind
another, you must make sure that the local network on your new router is
different than the network of your upstream router In the above example,
because the default local network on your Linksys router 192 168 1 0 is
on a different subnet than the office network's 192 168 100 0, you will be
able to place your Linksys router behind the other router
2. Connect an Ethernet network cable to a LAN/Ethernet port on your
upstream network to the yellow Internet port on your router
CAUTIon
Connect the upstream network to your router's yellow Internet
port, not one of the blue Ethernet ports If you connect to an
Ethernet port, you create IP addressing problems for the office
network
Setting Up: Advanced
36