RE4100W
N600 Dual-Band Wireless Range Extender

The Linksys RE4100W router has 300mbps WiFi, 1 100mbps ETH-ports and 0 USB-ports.
It is also known as the Linksys N600 Dual-Band Wireless Range Extender.

Quick links:
Default password/Login
Login instructions

RE4100W router specifications (specs)

Linksys RE4100W review (quick overview)

Here is the quick comparison of how the Linksys RE4100W compares to other routers on our site:

Hard reset instructions for Linksys RE4100W

If your RE4100W router is not working as it should, dropping connections or not being responsive, you should first do a reset of the router to see if the problems persist. Other scenarios where you might want to reset your router is if you've forgotten the password or misconfigured it and can't get access anymore.
Your can reset your Linksys RE4100W in the following way(s):

Through the web interface

1. Open your browser and navigate to the router interface (check default settings below)
2. Under the Administration tab you will find a sub-tab called Factory defaults
3. On the Factory defaults page click the button labeled Restore Factory Defaults

With the reset button

1. Have your unit powered on
2. Press and hold the reset button for at least 10 seconds until the power light starts blinking, then release.
3. When the power light goes solid, unplug the power to the router for 10 seconds
4. Plug the power back in and start the router
5. When the power light goes solid again the router is ready to use.

The 30-30-30 reset

1. When router is powered on, press the reset button and hold for 30 seconds. (Use a paper clip or something sharp)
2. While holding the reset button pressed, unplug the power of the router and hold the reset button for 30 seconds
3. While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

This process usually works for resetting any router to it's factory setting. If that doesn't work be sure to check out the questions and answers incase someone else has had similar problems resetting their router.

Note: It is worth reading more about how to reset routers with the 30 30 30 reset and what the risks and considerations are when resetting your router this way, instead of just rebooting it.

Default factory settings for Linksys RE4100W

How to login to the RE4100W

To login to the N600 Dual-Band Wireless Range Extender and change the settings, you can follow these steps:

1. Make sure you are connected to the router's network, either by Wi-Fi or ethernet cable.
2. Open your browser and visit http://192.168.1.1
3. You should be prompted with a login dialogue.
4. Enter the username: admin and the password admin
   Note: If you have already changed the password use that instead.
5. You will now be logged in. If you haven't yet changed the defaul password, we recommend that you change it first thing you do after logging in.

If these instructions don't work for your router, you can always try a factory reset to get the default, or try some other common Linksys credentials, as they can usually be shared across models/variants.

RE4100W Firmwares

Staying up to date with the latest firmware is a good idea to keep your router even more secure from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider flashing an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly increase the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the Linksys RE4100W:

Linksys stock firmware for the RE4100W

Stock firmwares for the RE4100W are available under the download section on the modem's support page. You can also refer to the router's manual for instructions on how to upgrade the firmware.

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