WRT120N Frequently Asked Questions

TABLE OF CONTENTS

HARDWARE INFORMATION

1. What is the WRT120N?
2. What is the default IP address, username, and password used to log in to the web-based setup page of the WRT120N?
3. How can I reset the WRT120N to factory default settings?
4. What are the different product settings present on the WRT120N router?
5. How do I change the settings of the WRT120N router?
6. Does the WRT120N support remote management?
7. What is the warranty period of the WRT120N?

INITIAL SETUP

1. How do I set up the WRT120N?

SUPPORTED SECURITY

1. What is the default wireless network name (SSID) of WRT120N?
2. How many security modes does WRT120N support?
3. How many wireless clients can be added in the MAC address Filter List?
4. What kind of encryption is supported in the WEP security mode?
5. Does WRT120N have a filter IDENT feature that blocks specific Internet data types?
6. Does WRT120N allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass through the router?
7. How many access policies can I set up on the Internet Access Policy screen?
8. Can I block secured websites using the Access Restrictions feature in the WRT120N's web-based setup page?
9. Does WRT120N support DMZ?
10. Does WRT120N support SPI firewall?
11. What is a web filter?
12. What is AP isolation?
13. How many URL addresses would be blocked in each Internet Access Policy at most?
14. How many keywords can be blocked in each Internet Access Policy?
15. What is WPS?
16. How do I check the wireless settings of WRT120N?

LEDs

1. What LEDs does the WRT120N have and what do the colors mean?

TROUBLESHOOTING

1. Is it possible to use the Backup and Restore settings on the WRT120N?
2. I can't see the SSID, what should I do?
3. My wireless Internet connection keeps on dropping. What’s wrong?
4. I am still getting a dropping Internet connection even after I have connected my computer to the router using an ethernet cable. What’s wrong?
5. I could not access my router’s web-based setup page. What’s wrong?
6. I can’t connect to the network when my security mode is set to WPA-AES. What do I do?
7. How can I connect other Wi-Fi enabled devices such as gaming consoles and printers to my wireless network?

FIRMWARE UGPRADE

1. How do I upgrade the firmware of the WRT120N?

SPECIAL FEATURES

1. What DDNS providers does the WRT120N support?
2. How many connection types does the WRT120N support?
3. Can WRT120N be used as a Dynamic Host Configuration Protocol (DHCP) server for my network?
4. Does WRT120N support MAC Address Clone?
5. How many static routes can I set up between the router and another network?
6. Does WRT120N support Frame Burst?
7. Does WRT120N support AP Isolation?
8. Does WRT120N support wireless QoS and Internet Access Priority QoS?
9. What web browser can be used to access the WRT120N web-based setup page?
10. What radio bands are supported by the WRT120N?
11. Is the WRT120N SES-capable?
12. What is MAC address clone and what is it used for?
13. Can the IP address number assigned by DHCP server be more than 253?
14. What is Diagnostics and what is it used for?
15. What is Port Range Forwarding?
16. Can I select time zone and automatically adjust the clock?
17. Which dynamic route protocol is supported on the WRT120N?
18. What is Port Triggering?
19. What is DMZ and what is it used for?
20. What are the network modes supported in WRT120N?
21. What is wireless MAC filter and what is it used for?
22. What is UPnP?
23. Is it possible to wirelessly connect my TV or other wireless devices to a computer that is connected to my router?


HARDWARE INFORMATION

1. What is the WRT120N?


The Wireless-N Broadband Router, WRT120N is a three-in-one device.  It acts as a wireless access point which lets you connect your wireless computers and devices to your wireless network.  It also serves as a built-in 4-port full-duplex 10/100 switch to connect your wired devices to it using Ethernet cables.  The WRT120N also serves as your network's DHCP server with a powerful SPI firewall to protect your computers against intruders and most known Internet attacks.  The router function ties it all together, letting your whole network share high-speed Cable or DSL Internet connection.

2. What is the default IP address, username, and password used to log in to the web-based setup page of the WRT120N?

The default IP address to access the web-based setup page is 192.168.1.1.  To log in, the Username field is left blank and "admin" is the default password to be used.

NOTE:  For more details on how to access the router’s web-based setup page, click here.  If you’re using a Mac® computer, click here.

3. How can I reset the WRT120N to factory default settings?

There are two (2) ways to reset the WRT120N to factory default settings.

  • Hardware Reset - Press and hold the Reset button located at the bottom of the router for thirty (30) seconds then release it.
  • Software Reset - Access the router’s web-based setup page, click on Administration>Factory Defaults>Restore All Settings button.

NOTE:  For more details on how to do this, click here.

4. What are the different product settings present on the WRT120N router?

On the web-based setup page of the WRT120N router, you will find the main settings which are Setup, Wireless, Security, Access Restrictions, Applications & Gaming, Administration, and Status.

5. How do I change the settings of the WRT120N router?

To change the settings of your WRT120N, you need to access the router’s web-based setup page first.  After accessing the web-based setup page, click on the appropriate tab on which settings you want to change.

6. Does the WRT120N support remote management?

Yes, the WRT120N supports remote management.

7. What is the warranty period of the WRT120N?

The warranty period is dependent on the country of purchase.  For more information about your device's warranty, click here.

INITIAL SETUP

1. How do I set up the WRT120N?

The WRT120N can be set-up in 2 different means.  This can be done either through the Setup CD that came with the router or through manually setting-up the router instead.  To learn more about manually setting-up your router click on the following links below.

Setting up a Linksys router with Cable Internet service
Setting up a Linksys router with DSL Internet service
Setting up a router with a Static IP account

SUPPORTED SECURITY

1. What is the default wireless network name (SSID) of WRT120N?

The default SSID or network name is linksys.

2. How many security modes does WRT120N support?

The router supports six (6) security modes: Wi-Fi Protected Access (WPA)-Personal, WPA2-Personal, WPA-Enterprise, WPA2-Enterprise, RADIUS, and Wired Equivalent Privacy (WEP).

3. How many wireless clients can be added in the MAC address Filter List?

The WRT120N supports a maximum of 32 wireless clients.

4. What kind of encryption is supported in the WEP security mode?

The WEP security mode supports 64-bit and 128-bit encryptions.

5. Does WRT120N have a filter IDENT feature that blocks specific Internet data types?

Yes.  This feature keeps port 113 from being scanned by devices outside of your local network.

6. Does WRT120N allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass through the router?

Yes, the WRT120N allows VPN tunnels using IPSEC, L2TP, or PPTP protocols to pass through the router.

7. How many access policies can I set up on the Internet Access Policy screen?

You can set up a maximum of 10 Internet Access Policies for the WRT120N.  To learn more about Internet Access Policy and how to set up access restrictions, click here.

NOTE:  The Linksys WRT120N doesn’t support Parental Controls feature but only offers Internet Access Policy under Access Restrictions.  To find out the difference between Internet Access Policy and Parental controls, click here.

8. Can I block secured websites using the Access Restrictions feature in the WRT120N's web-based setup page?

You will not be able to block https:// websites.  The connection between the computer and the server is encrypted in this setting.  The router will not be able to see the https:// request in the connection.

9. Does WRT120N support DMZ?

Yes, the WRT120N supports DMZ.

10. Does WRT120N support SPI firewall?

Yes, the WRT120N supports SPI firewall.

11. What is a web filter?

A web filter or web block prevents JAVA, ActiveX, Cookies and Proxy applications in the web interface.

12. What is AP isolation?

AP isolation separates all wireless clients and wireless devices on your network from each other.  Wireless devices will be able to communicate with the router but not with each other.  AP isolation is disabled by default.

13. How many URL addresses would be blocked in each Internet Access Policy at most?

You can block a maximum of four (4) URL addresses in each Internet Access Policy.

14. How many keywords can be blocked in each Internet Access Policy?

You can block a maximum of four (4) URL keywords in each Internet Access Policy.

15. What is WPS?

WPS means Wi-Fi Protected Setup™.  This is a feature that makes it easy to add devices to your wireless network using the WPS button that is located either on the front or back panel of your WRT120N.

16. How do I check the wireless settings of WRT120N?

You need to access the web-based setup page to check the wireless settings of your router.  For instructions, click here.

NOTE:  Your wireless settings consist of your wireless network name (SSID) and wireless network key or passphrase.

LEDs

1. What LEDs does the WRT120N have and what do the colors mean?

  • POWER (Blue) – The POWER LED lights up and will stay on blue when the router is powered ON.
  • ETHERNET 1-4 (Blue) – These numbered LEDs serve two (2) purposes.  The LED lights up when the router is connected to a device through the corresponding port.  The LED also flashes when the router is sending or receiving data over that port.
  • INTERNET (Blue) – The INTERNET LED lights up when there is a connection through the Internet port.
  • Wi-Fi Protected Setup™ (WPS) button (Blue/Amber) – It lights up blue when wireless security is enabled.  The LED flashes blue for two (2) minutes during a WPS session.  The LED lights up amber if there is an error during the WPS process.  Make sure the client device supports WPS.  Wait until the LED turns OFF, and then try again.  The LED flashes amber when a WPS session is active, and a second session begins.  The router supports one session at a time.  Wait until the LED turns OFF before starting the next WPS session.
  • WIRELESS (Blue) – The WIRELESS LED lights up when there is a wireless connection.  If the LED is flashing, the router is sending or receiving data over the wireless network.

TROUBLESHOOTING

1. Is it possible to use the Backup and Restore settings on the WRT120N?

Yes, you can use the Backup and Restore settings on your WRT120N.  To learn how, click here.

2. I can't see the SSID, what should I do?

You should check the following items:

Step 1:
Check that the router is powered ON.  If it is turned off, connect the power adapter to the router's power port then plug the power adapter into a power outlet.

Step 2:
Using a wired connection to the router, check the option for SSID Broadcast from Wireless > Basic Wireless Settings > SSID broadcast.  If the SSID Broadcast option is set to Disabled, select Enabled, and then click Save Settings.

Step 3:
Check if your wireless adapter supports 802.11b/g/n wireless standard.  If not, change your wireless adapter to make sure that the adapter can support the protocol.

3. My wireless Internet connection keeps on dropping. What’s wrong?

Your router’s intermittent wireless connection may be due to the following:

  • The router may be too far or too near from the computer or wireless device, or there may be a lot of obstructions between the router and the computer or wireless device.  It is recommended to place your router either in the central part of your house or in an elevated area where the signal can go around the obstructions.
  • There may be other wireless signals interfering with your wireless router’s signal, such as cordless phones, microwave oven or baby monitors.  You may power OFF the devices which are causing the interference or you can change your router’s wireless channel.  To learn how, click here.
  • Your router’s Maximum Transmission Unit (MTU) size may be set too large which could result to packet loss and dropping internet connection.  To learn how to adjust your router’s MTU size, click here.
  • Your router may need firmware upgrade.  To learn how to upgrade your router’s firmware, click here.
  • The firmware of your computer or wireless device’s adapter may be outdated or may not be compatible with your router’s wireless standard.  You may refer to your computer or device’s manual to learn how to update its driver or to know if your adapter is compatible with your router’s wireless standard.

NOTE:  To learn more troubleshooting steps, click here.

4. I am still getting a dropping Internet connection even after I have connected my computer to the router using an Ethernet cable. What’s wrong?

If you are still getting a dropping wired Internet connection, it may be due to the following reasons:

  • Your router’s Maximum Transmission Unit (MTU) size may be set too large and this could result to dropping connection and packet loss.  You may need to adjust your router’s MTU size to improve your Internet connection.  To learn how to adjust the MTU size, click here.
  • You may be using a faulty Ethernet cable to connect your computer to your router.  Check the Ethernet cable if it is loose or try using another Ethernet cable.
  • You may need to upgrade your router’s firmware.  To learn how, click here.

5. I could not access my router’s web-based setup page. What’s wrong?

If you are having problems accessing your router’s web-based setup page, it may be due to the following:

  • Improper cable connections
  • The router is not giving a valid IP address
  • Incorrect router IP address entered in the Address bar
  • Incorrect Username and Password used to log in to the setup page
  • Browser issue

NOTE:  For browser issues, you may need to disable your browser's proxy settings.  For instructions, refer to the links below:

Disabling proxy settings on Internet Explorer
Disabling Proxy Settings on Mozilla Firefox
Disabling proxy settings on a Mac® computer

6. I can’t connect to the network when my security mode is set to WPA-AES. What do I do?

If you are unable to connect your wireless devices to the network when it is set to WPA-AES, a workaround is to disable security on the router temporarily.  Once done, try to connect a device on the unsecured network.  Once successful, apply the WPA2-AES security back on the router of with a new password and try again.

7. How can I connect other Wi-Fi enabled devices such as gaming consoles and printers to my wireless network?

Connecting Wi-Fi enabled devices to the network is fast and easy as long as you know your wireless settings.  For detailed instructions, click here.  You can also click on the following links for instructions on how to connect other wireless devices:

Connecting your iPhone® to the wireless network
Connecting your iPad® to the wireless network
Connecting your Android™ tablet to the wireless network
Connecting your Android™ smartphone to your wireless network

FIRMWARE UPGRADE

1. How do I upgrade the firmware of the WRT120N?

Access the router’s web-based setup page.  Go to Administration > Firmware Upgrade.  Select the file to upgrade by using the Browse button and then click Start Upgrade.   Do not reset or powercycle the device while it is still upgrading.  For detailed instructions on how to upgrade your Linksys router’s firmware, click here.

SPECIAL FEATURES

1. What DDNS providers does the WRT120N support?

The WRT120N supports DynDNS.org and TZO.

2. How many connection types does the WRT120N support?

This router supports six (6) connection types: Automatic Configuration - DHCP, Static IP, Point-to-Point Protocol over Ethernet (PPPoE), Point-to-Point Tunneling Protocol (PPTP), Telstra Cable, and L2TP.

3. Can WRT120N be used as a Dynamic Host Configuration Protocol (DHCP) server for my network?

Yes, the WRT120N can be used as a DHCP server for your network.  The default Start IP Address is 192.168.1.100.

4. Does WRT120N support MAC Address Clone?

Yes, the WRT120N supports MAC Address Clone.

5. How many static routes can I set up between the router and another network?

You can have up to 20 static routes.

6. Does WRT120N support Frame Burst?

Yes, the WRT120N supports Frame Burst.

7. Does WRT120N support AP Isolation?

Yes, the WRT120N supports AP Isolation.

8. Does WRT120N support wireless QoS and Internet Access Priority QoS?

Yes, the WRT120N supports wireless QoS and Internet Access Priority QoS.

9. What web browser can be used to access the WRT120N web-based setup page?

Any web browser may be used.  The most common examples are Internet Explorer, Google Chrome, Safari, Opera and Mozilla Firefox.

10. What radio bands are supported by the WRT120N?

The radio band gives you two (2) options:

  1. Standard – 20 MHz channel
  2. Wide – 40 MHz channel

NOTE:  All wireless-B/G/N devices use the standard channel.  If you select Wide channel for the radio band setting, then wireless-N can use two (2) channels: a primary one (Wide Channel) and a secondary one (Standard Channel).  This will improve your wireless-N performance.

11. Is the WRT120N SES-capable?

No, the router has no hardware or software Secure Easy Setup (SES) push button.

12. What is MAC address clone and what is it used for?

Some cable ISPs will require you to register a MAC address in order to access the Internet.  If you do not wish to re-register the MAC address with your ISP, you may assign the MAC address you have currently registered with your ISP to the router with the MAC Address Clone feature.

Clicking the Clone My MAC Address button found on the router’s web-based setup page will clone the MAC address of the computer you are currently using.  The router will automatically detect your computer's MAC address, so you do NOT have to call your ISP to change the registered MAC address to the router's MAC address.

Use the main computer, the one registered with the ISP, to open the MAC Address Clone tab.  For detailed instructions, click here.

13. Can the IP address number assigned by DHCP server be more than 253?

No, the DHCP can only assign 253 IP addresses at most.

14. What is Diagnostics and what is it used for?

Diagnostics is used to check the Internet connection and network ping.

15. What is Port Range Forwarding?

The Port Forwarding screen allows you to set up public services on your network, such as web servers, FTP servers, e-mail servers, or other specialized Internet applications.  This setting only opens the ports you want to have opened.  This enables the application to pass through these ports without interruption.  To know how to set up port forwarding, click here.

16. Can I select time zone and automatically adjust the clock?

Yes, you can adjust the time zone and automatically adjust the clock.  To do this:

Step 1:
Access the web-based setup page.

NOTE:  To learn how to access the web-based setup page on your computer, click here.  For Mac® users, click here.

Step 2:
Click the Setup tab, then select the Basic Setup sub-tab.

Step 3:
Select the appropriate time zone in the Time Zone drop-down menu.

Step 4:
Once done, click Save Settings.

17. Which dynamic route protocol is supported on the WRT120N?

It is compatible with RIP dynamic route protocol and can support up to 20 static routings at most.

18. What is Port Triggering?

Port triggering will forward ports based on the incoming port specified.  Check with your software applications to find out what is necessary to enter in these fields.

NOTE:  You can set 10 rules at most.

19. What is DMZ and what is it used for?

The Demilitarized Zone (DMZ) screen allows one local user to be exposed to the Internet for use of a special-purpose service such as Internet gaming and videoconferencing.  DMZ hosting forwards all the ports at the same time to one computer.  DMZ hosting opens all the ports of one computer, exposing the computer to the Internet.

20. What are the network modes supported in WRT120N?

The network modes supported are wireless-B (802.11b), wireless-G (802.11g) and wireless-N (802.11n).

21. What is wireless MAC filter and what is it used for?

Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network's radius.

22. What is UPnP?

Universal Plug and Play (UPnP) allows Windows to automatically configure the router for various Internet applications, such as gaming and videoconferencing.

23. Is it possible to wirelessly connect my TV or other wireless devices to a computer that is connected to my router?

No.  Any wireless device like a wireless TV can be connected directly to the router but not through the computer that is connected to it.

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