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WRT400N Frequently Asked Questions

TABLE OF CONTENTS

HARDWARE INFORMATION

1. What is the WRT400N?
2. What default IP address, username and password are used to login to the WRT400N?
3. How can I reset the WRT400N to factory defaults?
4. What is the warranty period of the WRT400N?
5. Does the WRT400N support remote management?

SECURITY SUPPORTED

1. What is the default wireless network name (SSID) broadcast by WRT400N?
2. How many security modes does WRT400N support?
3. How many Wireless Clients can be added in the MAC Address Filter List at most?
4. What kind of encryption is supported in WEP security mode?
5. Does WRT400N offer a Filter IDENT that block specific Internet data types?
6. Does WRT400N allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass through the router?
7. How many Access Policies can I set up on Internet Access Policy screen at most?
8. Does WRT400N support Demilitarized Zone (DMZ)?
9. What is AP isolation?
10. How many URL addresses would be blocked in each Internet Access Policy at most?
11. How many keywords would be blocked in each Internet Access Policy at most?
12. What is Wi-Fi Protected Setup™ (WPS)?

LEDs

1. What LEDs does the WRT400N have?
2. What color are the LEDs and what do the colors mean?

FIRMWARE UPGRADE METHOD

1. How do I upgrade the firmware on the WRT400N?

SPECIAL FEATURES

1. What DDNS providers does the WRT400N support?
2. How many connection types does the WRT400N support?
3. Can WRT400N be used as a Dynamic Host Configuration Protocol (DHCP) server for my network?
4. Does WRT400N support MAC Address Clone?
5. How many static routes can I set up between the router and another network?
6. Does WRT400N support AP Isolation?
7. Does WRT400N support wireless Quality of Service (QoS) and Internet Access Priority QoS?
8. What Internet Explorer can the WRT400N be used with?
9. Is the WRT400N WPS capable?
10. What is MAC address clone and what is it used for?
11. Can the IP address number assigned by DHCP server be more than 253?
12. What is Diagnostics and what is it used for?
13. What is the Port Range Forward?
14. Can I select time zone and automatically adjust clock?
15. Which dynamic route protocol is supported on WRT400N?
16. What is the Port Triggering?
17. What is Demilitarized Zone (DMZ) and what is it used for?
18. How many Network modes are supported in WRT400N?
19. What is wireless Mac filter and what is it used for?
20. What is the UPnP?

MISCELLANEOUS

1. Where can I find other documents about the WRT400N?


HARDWARE INFORMATION

1. What is the WRT400N?

Built for speed, the Simultaneous Dual-Band Wireless-N Router delivers double the bandwidth so you can enjoy movies, gaming and music more smoothly, with less lag, all around your home.  Easy to use and setup; includes Mac® setup wizard.

2. What default IP address, username and password are used to login to the WRT400N?

The default IP address is 192.168.15.1.  The username field is left blank and the default password is admin.

3. How can I reset the WRT400N to factory defaults?

There are two (2) ways to reset the router’s factory defaults.  You can either press and hold the Reset button for approximately five (5) seconds or restore the defaults from the Administration > Factory Defaults screen of the router’s web-based set-up page.  For more instructions on resetting your device, click here.

4. What is the Warranty period of the WRT400N?

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

5. Does the WRT400N support remote management?

Yes.

SECURITY SUPPORTED

1. What is the default wireless network name (SSID) broadcast by WRT400N?

The 2.4 GHz security default wireless network name (SSID) is linksys, the 5 GHz security default SSID is linksys-media.

2. How many security modes does WRT400N support?

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

3. How many Wireless Clients can be added in the MAC Address Filter List at most?

Thirty-two (32) at most.

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

64-bit and 128-bit.

5. Does WRT400N offer a Filter IDENT that block specific Internet data types?

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

6. Does WRT400N allow VPN tunnels using IPSec, L2TP, or PPTP protocols to pass through the router?

Yes.

7. How many Access Policies can I set up on Internet Access Policy screen at most?

Five (5) at most.

8. Does WRT400N support Demilitarized Zone (DMZ)?

Yes.

9. What is AP isolation?

This isolates 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.  To use this function, click Enabled.  AP Isolation is disabled by default.

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

Four (4) URL addresses.

11. How many keywords would be blocked in each Internet Access Policy at most?

Four (4) URL keywords.

12. What is Wi-Fi Protected Setup™ (WPS)?

Wi-Fi Protected Setup™ (WPS) is a working feature and will be enabled once you press on the WPS button on the front of the router.  To learn more on how to connect your Linksys wireless devices using the WPS feature, click here.

LEDs

1. What LEDs does the WRT400N have?

Power, Ethernet, Wireless, and Internet.

2. What color are the LEDs and what do the colors mean?

POWER (Blue) – The Power LED lights up and will stay on while the router is powered on.  When the router goes through its self-diagnostic mode during every boot-up, this LED will flash.  When the diagnostic is complete, the LED will be solidly lit.
ETHERNET 1, 2, 3, 4 (Blue) – These numbered LEDs, corresponding with the numbered ports on the router’s back panel, serve two purposes.  If the LED is continuously lit, the router is successfully connected to a device through that port.  A flashing LED indicates network activity over that port.
Internet (Blue) – The Internet LED lights up when there is a connection made through the Internet port.  A flashing LED indicates network activity over the Internet port.  The LED lights up Green when it is connected to 10/100 port and Blue when it is connected to a gigabit port.
WPS (Blue/Amber) – The LED flashes blue for two minutes during the WPS process and lights up blue when the WPS process is successful.  The LED lights up amber if there is an error during the Wi Fi Protected Setup™ (WPS) process.  The LED flashes when a WPS session is active.
WIRELESS (Blue) – The Wireless LED lights up when the wireless feature is enabled.  If the LED is flashing, the router is actively sending or receiving data over the network.

FIRMWARE UPGRADE METHOD

1. How do I upgrade the firmware on the WRT400N?

For detailed instructions on how to upgrade your Linksys router’s firmware, click here.

SPECIAL FEATURES

1. What DDNS providers does the WRT400N support?

DynDNS.org and TZO.

2. How many connection types does the WRT400N 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 WRT400N be used as a Dynamic Host Configuration Protocol (DHCP) server for my network?

Yes, the default Start IP address is 192.168.1.100.

4. Does WRT400N support MAC Address Clone?

Yes.

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

You can have up to 10 static routes.

6. Does WRT400N support AP Isolation?

Yes.

7. Does WRT400N support wireless Quality of Service (QoS) and Internet Access Priority QoS?

Yes.

8. What Internet Explorer can the WRT400N be used with?

Netscape 4.7 or higher, Microsoft Internet Explorer 5.0 or higher, and Google Chrome.

9. Is the WRT400N WPS capable?

Yes.

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

Some 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.  If you want to clone the MAC address of the PC you are currently using to configure the router, and then click the Clone My MAC Address button.  The router will automatically detect your PC’s MAC address, so you do NOT have to call your ISP to change the registered MAC address to the router’s MAC address.  It is recommended that the PC registered with the ISP is used to open the MAC Address Clone tab.

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

No, 253 at most.

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

The Diagnostics feature of the Linksys routers allows you to check the connections of your network devices, including the connection to the Internet using the Ping and Traceroute tests.

13. What is the Port Range Forward?

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.

14. Can I select time zone and automatically adjust clock?

Yes.

15. Which dynamic route protocol is supported on WRT400N?

It is compatible with the RIP dynamic route protocol and 10 static routings at most.

16. What is the Port Triggering?

Port triggering will forward port based on the incoming port specified.  Check with your software application to find out what is necessary to enter in these fields.  You can set 10 rules at most.

17. What is Demilitarized Zone (DMZ) and what is it used for?

The 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 PC.  The Port Range Forwarding is more secure because it only opens the ports you want to have opened, while DMZ hosting opens all the ports of one computer, exposing the computer to the Internet.

18. How many Network modes are supported in WRT400N?

The WRT400N supports three (3) network modes namely: B-Only, G-Only, and Mixed.

19. 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.

20. What is the UPnP?

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

MISCELLANEOUS

1. Where can I find other documents about the WRT400N?

Search for your device by visiting the Linksys Support Site.
 

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