TP-Link Archer AX21 how to set up the router as an access point
When you want the router to add Wi-Fi to an existing wired network.
Steps
- Log in at http://tplinkwifi.net, go to Advanced > System > Operation Mode, select Access Point and click SAVE. The router reboots into Access Point mode.
- Connect the router's WAN port to a LAN port of your existing wired router with an Ethernet cable.
- Log in again at http://tplinkwifi.net and go to Advanced > Quick Setup.
- Set the wireless settings, click NEXT, then confirm and click SAVE.
Parental Controls, QoS and NAT Forwarding are not supported in Access Point mode.
Source: 4.4 Set Up the Router as an Access Point Source: 4.4 Set Up the Router as an Access Point, p. 18
Other Archer AX21 procedures
- How to reset the router with the Reset buttonWhen you want to restore factory default settings, or cannot log in and cannot recover the password.
- How to reset the router from the web pageWhen you can log in at http://tplinkwifi.net and want factory defaults.
- How to recover a forgotten web management passwordWhen you cannot log in at http://tplinkwifi.net.
- How to change the Wi-Fi name and passwordWhen you want a new wireless network name (SSID) or password.
- How to connect a device with WPSWhen a device supports WPS and you want to join it to the Wi-Fi without typing the password.
- How to update the firmware from the web pageWhen the update icon shows in the top-right corner of the web page, or you want to check for new firmware.
- How to update the firmware from a downloaded fileWhen you downloaded a firmware file for the router from www.tp-link.com.
Sources
- User Guide, AX1800 Dual Band Wi-Fi 6 Router Archer AX21 (US, V4.6). TP-Link Systems Inc. Document 1910013415, revision REV4.6.0, 2023, 115 pages, en-US. static.tp-link.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.