Setup WiFi on the Cisco DPC3941T XFINITY

Thumbnail image of Setup Router Staff
Setup Router Staff
(Last Updated: ) | Reading Time: 3 minutes

The Cisco DPC3941T XFINITY router is considered a wireless router because it offers WiFi connectivity. WiFi, or simply wireless, allows you to connect various devices to your router, such as wireless printers, smart televisions, and WiFi enabled smartphones.

Other Cisco DPC3941T XFINITY Guides

This is the wifi guide for the Cisco DPC3941T XFINITY 2.6p4s1.We also have the following guides for the same router:

WiFi Terms

Before we get started there is a little bit of background info that you should be familiar with.

Wireless Name

Your wireless network needs to have a name to uniquely identify it from other wireless networks. If you are not sure what this means we have a guide explaining what a wireless name is that you can read for more information.

Wireless Password

An important part of securing your wireless network is choosing a strong password.

Wireless Channel

Picking a WiFi channel is not always a simple task. Be sure to read about WiFi channels before making the choice.


You should almost definitely pick WPA2 for your networks encryption. If you are unsure, be sure to read our WEP vs WPA guide first.

Login To The Cisco DPC3941T XFINITY

To get started configuring the Cisco DPC3941T XFINITY WiFi settings you need to login to your router. If you are already logged in you can skip this step.

To login to the Cisco DPC3941T XFINITY, follow our Cisco DPC3941T XFINITY Login Guide.

Find the WiFi Settings on the Cisco DPC3941T XFINITY

If you followed our login guide above then you should see this screen.

router status mac address internet IP
This is the status page from your Cisco router.

This wireless setup guide starts on the Home page of the Cisco DPC3941T XFINITY router. Begin configuring your wireless settings by clicking Connection in the left hand sidebar. Then click Wi-Fi below that.

Change the WiFi Settings on the Cisco DPC3941T XFINITY

wifi wireless
This is the wifi setup page from your Cisco router.

In the 2.4GHZ line, click EDIT on the far right.

router wifi security wireless
This is the wifi security page from your Cisco router.

You should now be on the page you see above.

Start off by setting the Wireless Network to Enable.

Following that you'll need to set a Network Name for 2.4 GHz (SSID). This can be whatever you like, however we strongly recommend that you avoid using any personal information. To learn more be sure to take a look at our Wireless Names Guide.

Now make sure that the Security Mode is set to WPA2-PSK(AES). This will provide you with the strongest security. For more information check out our WEP vs. WPA Guide.

Next make sure that the Channel Selection is set to Manual. Set the Channel to either 1, 6, or 11. To find out why these are the best options read our WiFi Channels Guide.

Lastly, enter your desired password into the box labeled Network Password. This can be anything you like, however bear in mind that a strong password consists of 14-20 characters and includes no personal information. For more help take a look at our Choosing a Strong Password Guide.

Congratulations! You're finished. Just be sure to click SAVE SETTINGS before closing the page.

Possible Problems when Changing your WiFi Settings

After making these changes to your router you will almost definitely have to reconnect any previously connected devices. This is usually done at the device itself and not at your computer.

Other Cisco DPC3941T XFINITY Info

Don't forget about our other Cisco DPC3941T XFINITY info that you might be interested in.

This is the wifi guide for the Cisco DPC3941T XFINITY 2.6p4s1.We also have the following guides for the same router: