Recommended CenturyLink modem
Works with these CenturyLink internet services:
Note: Listed speeds reflect the maximum download speed the technology can deliver on CenturyLink services. In-home speeds may differ based on router setup, devices and other factors.
NOTE: This router has the same specifications as the Axon C4000BG.
Works with these CenturyLink internet services:
Note: Listed speeds reflect the maximum download speed the technology can deliver on CenturyLink services. In-home speeds may differ based on router setup, devices and other factors.
NOTE: This router has the same specifications as the Axon C4000LG.
Diagram of the C4000LZ modem
Tip: If the firmware link doesn't work, try another browser (Chrome is known to have issues with this kind of link). Or, right-click the link, select "copy link address", then paste the link into a new browser tab.
Your modem's wireless settings control the WiFi network in your home. This model of router has 2.4 GHz and 5 GHz options for most wireless settings, with exceptions noted below. Click on the options below for details and step-by-step instructions.
WiFi extenders: If you have a C4000 modem and would like to boost your signal, we recommend ordering a compatible WiFi extender on our Accessories Marketplace.
The modem status area of the user interface allows you to view several options and check how your modem is running.
The utilities menu gives you access to several additional tools to manage and test your modem.
Advanced settings give you even more control over your modem's configuration. Most of these are best for tech-savvy folks who are familiar with modems and networking.
WAN settings
LAN settings
On modems that have Secure WiFi, some advanced features in the modem settings will be disabled, including:
Instead, you can easily access these same network controls through My CenturyLink or the app. Secure WiFi is available on leased modems with model numbers 1100, 3000 and 4000. Review our FAQs to learn more.
Setting up new service? Please note that a phone jack is required to set up CenturyLink internet service in your home. If you don't have a jack, chat with us to have one installed.
WiFi 6 is the next generation in-home WiFi technology, designed for the ever-increasing demand of connected homes and gigabit connections. Compared to WiFi 5, it delivers:
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