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Setting up the Linksys RE6400 to Range Extender mode

Setting up the Linksys RE6400 AC1200 BOOST EX Wi-Fi Range Extender is easy with its browser-based setup feature.  There’s no need for an installation software or setup CD.

Before you start the setup process, ensure the following:
  • You have an active Wi-Fi connection.
  • You know your existing WI-Fi settings (Wi-Fi name and Wi-Fi password / security key).  For instructions on how to check for them, click here.
  • The Linksys RE6400 is plugged into a power outlet and the light is blinking orange.
Follow the steps below to set up your range extender.
Using a computer or a mobile device, connect your device to the range extender's default Wi-Fi name, which is Linksys Extender Setup – xxx.

NOTE:  The xxx represents the last three characters of the Linksys RE6400’s MAC address and can be found on the label at the back of the device.

Step 2:
On your mobile or web browser, type in "http://extender.linksys.com" or "" in the Address bar then press [Enter].
Step 3:
Click User-added image.
User-added image
Step 4:
The As a wireless range extender option will be selected by default upon setting up.  Click Next.
User-added image

Step 5:
Select your Wi-Fi.

NOTE:  If your Wi-Fi is also using a 5 GHz band, you should see it with the 2.4 GHz band.
User-added image
QUICK TIP:  If you have a hidden SSID, scroll all the way down the list and click Manually Enter Network Name and Password.  Otherwise, wait until it detects your Wi-Fi.
User-added image
Step 6:
Enter your Wi-Fi password in the field, then click Next.
User-added image
Step 7:
You will be prompted to configure the extended wireless network that the range extender will be broadcasting.  Change the settings as you prefer or leave the defaults as is, then click User-added image.
QUICK TIP:  The extended wireless network is the Wi-Fi that your range extender will broadcast for nearby clients to connect to.

User-added image

Step 8:
Click Next if the Spot Finder indicates that the Linksys RE6400's location is Just right.  This feature determines the signal strength between your range extender and your router.  If your range extender is Too far or Too close, relocate it accordingly, then return to Step 1.
User-added image

Step 9:
Create an admin password to secure your Linksys RE6400.  You may also add a password hint.
User-added image

Step 10:
Click User-added image.
You should now have set up your Linksys RE6400.
User-added image
For instructions on changing your range extender’s extended Wi-Fi settings, click here.

Related Articles:

Properly positioning the antenna of the Linksys RE6700, RE6300 and RE6400

Using the Wi-Fi Protected Setup™ (WPS) on Linksys range extenders

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