TP-Link Archer AX21 User manual

Q1. What should I do if I can’t access the web management page?
• Reboot your router and try again.
• If the computer is set to a static IP, change its settings to obtain an
IP address automatically.
• Verify that http://tplinkwifi.net is correctly entered in the web
browser. Alternatively, enter http://192.168.0.1 or
http://192.168.1.1 in the web browser.
• Use another web browser and try again.
• Disable and enable the network adapter in use.
Q2. What should I do if I can’t access the internet?
• Power off your modem for about 5 minutes, then power it on and
check the internet. If your modem has more than one Ethernet
port, keep other ports unconnected.
• Check if the internet is working normally by connecting a computer
directly to the modem via an Ethernet cable. If it is not, contact your
internet service provider.
• Log in to the web management page, and go to the Network Map
page to check whether the internet IP address is valid or not. If it’s
valid, go to Advanced > Network > Internet, click Advanced
Settings, select Use the Following DNS Addresses, set the primary
DNS to 8.8.8.8, and set the secondary DNS to 8.8.4.4. If it is not,
check the hardware connection or contact your internet service
provider.
• For cable modem users, log in to the web management page of the
router and go to Advanced > Network > Internet > MAC Clone.
Select Clone Current Device MAC and click SAVE. Then reboot
both the modem and the router.
Q3. What should I do if I forget my wireless password?
• If you have not changed the default wireless password, it can be
found on the label at the bottom of the router.
• Connect a computer directly to the router using an Ethernet cable.
Log in to the router’s web management page at http://tplinkwifi.net,
and go to the Wireless page to retrieve or reset your wireless
password.
Q4. What should I do if I forget my web management page password?
• If you are using a TP-Link ID to log in, click Forgot Password? on
the login page and then follow the instructions to reset it.
• Alternatively, press and hold the Reset button on the back for about
6 seconds until the Power LED blinks. Then visit http://tplinkwifi.net
to create a new login password.
Q5. How should I position my router for optimal Wi-Fi performance?
• Don’t place your router in a corner or in a closet.
• Avoid obstacles and high-powered appliances.
• Keep your router in a central location at a certain height.
• Keep the antennas vertical when the router is placed on a desktop.
Keep the antennas upright when the router is hanging on a wall.
Need Help?
©2023 TP-Link 7106509998 REV4.0.0
Button Explanation
Press and hold the button for more than 2 seconds to turn on
or o the wireless function of your router.
WPS/Wi-Fi Button
Press the button for 1 second, and immediately press the WPS
button on your client to start the WPS process.
Reset Button
Press and hold the button for about 6 seconds until the Power
LED blinks to reset the router to its factory default settings.
Wi-Fi 6 Router
Quick Installation Guide
· Keep the device away from water, re, humidity or hot environments.
· Do not attempt to disassemble, repair, or modify the device. If you need
service, please contact us.
· Do not use any other chargers than those recommended.
· Do not use damaged charger or USB cable to charge the device.
· Do not use the device where wireless devices are not allowed.
· Adapter shall be installed near the equipment and shall be easily accessible.
For technical support, the user guide and more
information, please visit https://www.tp-link.com/support
To communicate with TP-Link users or engineers, visit
https://community.tp-link.com to join TP-Link Community.
TP-Link Cloud Service
TP-Link Cloud service provides a better way to manage your
cloud devices. You can set up and enjoy cloud functions via
the Tether app or through the web management page at
http://tplinkwi.net.
One for All
Manage multiple TP-Link Cloud devices, all from a
single TP-Link ID.
Remote Management
Easily manage your home network when you are out
and about via the Tether app on your smartphone or
tablet.
Timely Upgrade Notications
Keep you informed of the latest rmware updates,
ensuring that your router stays at its best.

Unplug the power to turn o your modem, if any, and remove
the backup battery if it has one.
Refer to Q5 of Need Help? to place the router for optimal
Wi-Fi performance. Modem
Unplug the power
Power on the modem, and then wait
about 2 minutes for it to restart.
2
To enjoy a more complete service from TP-Link,
bind your TP-Link ID to the router.
Set Up the Network
1. Connect your device to the router wirelessly
or with an Ethernet cable.
New Password:
Let’s Get Started
Conrm Password:
http://tplinkwi.net
Method TWO: Via a Web Browser
2. Launch a web browser, and enter
http://tplinkwifi.net or http://192.168.0.1 in
the address bar. Create a password to log in.
3. Follow the step-by-step instructions to
set up the internet connection and
register for the TP-Link Cloud service.
Note: If the login window does not appear, please refer to Q1 of
Need Help? in this guide.
Set up with videos:
Scan QR code or visit
https://www.tp-link.com/support/setup-video/#wi--routers
Method ONE: Via TP-Link Tether App
1. Download the Tether app.
Scan for Tether Tether
or
2. Open the Tether app and log in with your
TP-Link ID.
3. Tap the button in the Tether app and
select Wireless Router > Standard
Routers. Follow the steps to complete
the setup and connect to the internet.
Note: If you don’t have an account, create one first.
The default wireless network names (SSIDs) and password
are printed on the label at the bottom of the router.
Model: Archer AX3000
AX3000 Gigabit Wi-Fi Router
Wireless Password/PIN:XXXXXXXX
SSID:TP-Link_XXXX
SSID:TP-Link_XXXX_5G
2
Choose Your Device Type
Gaming Router
Range Extender
Wireless Router
Connect the power adapter to
the router and turn on the router.
3
Connect the Hardware
Note: If the 2.4GHz LED and 5GHz LED are off, press and hold the WPS/Wi-Fi button on the back for more
than 2 seconds. Both the LEDs should turn solid on.
Power
On
Internet
On
2.4GHz
On
5GHz
On
If your internet connection is through an Ethernet cable directly from the wall instead of through a DSL /
Cable / Satellite modem, connect the Ethernet cable to the router’s WAN port, and then follow steps 3
and 4 to complete the hardware connection.
*Image may dier from actual product.
Verify that the hardware connection is correct by checking the following LEDs.
4
1
Internet
1
Connect the powered-off
modem to the router’s WAN
port with an Ethernet cable.

Unplug the power to turn o your modem, if any, and remove
the backup battery if it has one.
Refer to Q5 of Need Help? to place the router for optimal
Wi-Fi performance. Modem
Unplug the power
Power on the modem, and then wait
about 2 minutes for it to restart.
2
To enjoy a more complete service from TP-Link,
bind your TP-Link ID to the router.
Set Up the Network
1. Connect your device to the router wirelessly
or with an Ethernet cable.
New Password:
Let’s Get Started
Conrm Password:
http://tplinkwi.net
Method TWO: Via a Web Browser
2. Launch a web browser, and enter
http://tplinkwifi.net or http://192.168.0.1 in
the address bar. Create a password to log in.
3. Follow the step-by-step instructions to
set up the internet connection and
register for the TP-Link Cloud service.
Note: If the login window does not appear, please refer to Q1 of
Need Help? in this guide.
Set up with videos:
Scan QR code or visit
https://www.tp-link.com/support/setup-video/#wi--routers
Method ONE: Via TP-Link Tether App
1. Download the Tether app.
Scan for Tether Tether
or
2. Open the Tether app and log in with your
TP-Link ID.
3. Tap the button in the Tether app and
select Wireless Router > Standard
Routers. Follow the steps to complete
the setup and connect to the internet.
Note: If you don’t have an account, create one first.
The default wireless network names (SSIDs) and password
are printed on the label at the bottom of the router.
Model: Archer AX3000
AX3000 Gigabit Wi-Fi Router
Wireless Password/PIN:XXXXXXXX
SSID:TP-Link_XXXX
SSID:TP-Link_XXXX_5G
2
Choose Your Device Type
Gaming Router
Range Extender
Wireless Router
Connect the power adapter to
the router and turn on the router.
3
Connect the Hardware
Note: If the 2.4GHz LED and 5GHz LED are off, press and hold the WPS/Wi-Fi button on the back for more
than 2 seconds. Both the LEDs should turn solid on.
Power
On
Internet
On
2.4GHz
On
5GHz
On
If your internet connection is through an Ethernet cable directly from the wall instead of through a DSL /
Cable / Satellite modem, connect the Ethernet cable to the router’s WAN port, and then follow steps 3
and 4 to complete the hardware connection.
*Image may dier from actual product.
Verify that the hardware connection is correct by checking the following LEDs.
4
1
Internet
1
Connect the powered-off
modem to the router’s WAN
port with an Ethernet cable.

Q1. What should I do if I can’t access the web management page?
• Reboot your router and try again.
• If the computer is set to a static IP, change its settings to obtain an
IP address automatically.
• Verify that http://tplinkwifi.net is correctly entered in the web
browser. Alternatively, enter http://192.168.0.1 or
http://192.168.1.1 in the web browser.
• Use another web browser and try again.
• Disable and enable the network adapter in use.
Q2. What should I do if I can’t access the internet?
• Power off your modem for about 5 minutes, then power it on and
check the internet. If your modem has more than one Ethernet
port, keep other ports unconnected.
• Check if the internet is working normally by connecting a computer
directly to the modem via an Ethernet cable. If it is not, contact your
internet service provider.
• Log in to the web management page, and go to the Network Map
page to check whether the internet IP address is valid or not. If it’s
valid, go to Advanced > Network > Internet, click Advanced
Settings, select Use the Following DNS Addresses, set the primary
DNS to 8.8.8.8, and set the secondary DNS to 8.8.4.4. If it is not,
check the hardware connection or contact your internet service
provider.
• For cable modem users, log in to the web management page of the
router and go to Advanced > Network > Internet > MAC Clone.
Select Clone Current Device MAC and click SAVE. Then reboot
both the modem and the router.
Q3. What should I do if I forget my wireless password?
• If you have not changed the default wireless password, it can be
found on the label at the bottom of the router.
• Connect a computer directly to the router using an Ethernet cable.
Log in to the router’s web management page at http://tplinkwifi.net,
and go to the Wireless page to retrieve or reset your wireless
password.
Q4. What should I do if I forget my web management page password?
• If you are using a TP-Link ID to log in, click Forgot Password? on
the login page and then follow the instructions to reset it.
• Alternatively, press and hold the Reset button on the back for about
6 seconds until the Power LED blinks. Then visit http://tplinkwifi.net
to create a new login password.
Q5. How should I position my router for optimal Wi-Fi performance?
• Don’t place your router in a corner or in a closet.
• Avoid obstacles and high-powered appliances.
• Keep your router in a central location at a certain height.
• Keep the antennas vertical when the router is placed on a desktop.
Keep the antennas upright when the router is hanging on a wall.
Need Help?
©2023 TP-Link 7106509998 REV4.0.0
Button Explanation
Press and hold the button for more than 2 seconds to turn on
or o the wireless function of your router.
WPS/Wi-Fi Button
Press the button for 1 second, and immediately press the WPS
button on your client to start the WPS process.
Reset Button
Press and hold the button for about 6 seconds until the Power
LED blinks to reset the router to its factory default settings.
Wi-Fi 6 Router
Quick Installation Guide
· Keep the device away from water, re, humidity or hot environments.
· Do not attempt to disassemble, repair, or modify the device. If you need
service, please contact us.
· Do not use any other chargers than those recommended.
· Do not use damaged charger or USB cable to charge the device.
· Do not use the device where wireless devices are not allowed.
· Adapter shall be installed near the equipment and shall be easily accessible.
For technical support, the user guide and more
information, please visit https://www.tp-link.com/support
To communicate with TP-Link users or engineers, visit
https://community.tp-link.com to join TP-Link Community.
TP-Link Cloud Service
TP-Link Cloud service provides a better way to manage your
cloud devices. You can set up and enjoy cloud functions via
the Tether app or through the web management page at
http://tplinkwi.net.
One for All
Manage multiple TP-Link Cloud devices, all from a
single TP-Link ID.
Remote Management
Easily manage your home network when you are out
and about via the Tether app on your smartphone or
tablet.
Timely Upgrade Notications
Keep you informed of the latest rmware updates,
ensuring that your router stays at its best.