Netgear N 600 Manual

Troubleshooting
101  N600 Wireless Dual Band Router WNDR3400v2
Quick Tips
This section describes tips for troubleshooting some common problems.
Sequence to Restart Your Network
Be sure to restart your network in this sequence:
1. Turn off and unplug the modem. 
2. Turn off the router and computers.
3. Plug in the modem and turn it on. Wait 2 minutes.
4. Turn on the router and wait 2 minutes.
5. Turn on the computers.
Check Ethernet Cable Connections
Make sure that the Ethernet cables are securely plugged...

Troubleshooting102
N600 Wireless Dual Band Router WNDR3400v2 
Troubleshooting with the LEDs
After you turn on power to the router, the following sequence of events should occur:
1. 
When
 power is first applied, verify that the Power/Test LED  is on.
2.  V
erify that the Power/Test LED turns amber within a few seconds, indicating that the self-test 
is running.
3.  Af
ter approximately 30 seconds, verify that:
•      Th
e Power/Test LED is solid green.
•     Th
e Internet LED is lit.
•     A nu
mbered...

Troubleshooting
103  N600 Wireless Dual Band Router WNDR3400v2
•     Cycle the power to see if the router recovers.
•     Press and hold the Restore Factory Settings button to return the router to its factory 
settings. See 
Factory Settings on page 11 0.
If the error persists, you might have a hardware problem and should contact technical 
support at 
www.netgear.com/support.
Internet or Ethernet Port LEDs Are Off
If either the Ethernet port LEDs or the Internet LED does not light when the Ethernet...

Troubleshooting
104 N600 Wireless Dual Band Router WNDR3400v2 
•     Make sure that your computer’s IP address is on the same subnet as the router. If you are 
using the recommended addressing scheme, your computer’s address should be in the 
range of 192.168.1.2 to 192.168.1.254. 
•     If your computer’s IP address is shown as 169.254.x.x, recent versions of Windows and 
MacOS generate and assign an IP address if the computer cannot reach a DHCP server. 
These autogenerated addresses are in the range...

Troubleshooting
105  N600 Wireless Dual Band Router WNDR3400v2
•     Your Internet service provider (ISP) might require a login program.
Ask your ISP whether they require PPP over Ethernet (PPPoE) or some other type of 
login.
•     If your ISP requires a login, the login name and password might be set incorrectly.
•     Your ISP might check for your computer’s host name.
Assign the computer host name of your ISP account as the account name in the Internet 
Settings screen.
•     Your ISP allows only...

Troubleshooting
106 N600 Wireless Dual Band Router WNDR3400v2 
If you cannot connect after several minutes, you might be using an incorrect service name, 
user name, or password. There might also be a provisioning problem with your ISP.
Note:  Unless you connect manually, the router does not authenticate using 
PPPoE until data is transmitted to the network.
Troubleshooting Internet Browsing
If your router can obtain an IP address but your computer is unable to load any web pages 
from the Internet,...

Troubleshooting
107  N600 Wireless Dual Band Router WNDR3400v2
•     Click the Refresh or Reload button in the web browser. The changes might have 
occurred, but the old settings might be in the web browser’s cache.
Incorrect Date or Time
Select Advanced > Security > Schedule to display the current date and time. The router 
uses the Network Time Protocol (NTP) to obtain the current time from one of several network 
time servers on the Internet. Each entry in the log is stamped with the date and time of...

Troubleshooting
108 N600 Wireless Dual Band Router WNDR3400v2 
Restore the Factory Settings and Password
This section explains how to restore the factory settings, changing the router’s administration 
password back to password. You can erase the current configuration and restore factory 
defaults in two ways:
•     Use the Erase function of the router (see Erase on page 73).
•     Use the Restore Factory Settings button on the back of the router. See Factory Settings 
on page 11 0. If you restore the...

Troubleshooting
109  N600 Wireless Dual Band Router WNDR3400v2
Check that the appropriate LEDs are on for your network devices. If your router and 
computer are connected to a separate Ethernet switch, make sure that the link LEDs are 
on for the switch ports that are connected to your computer and router.
•     Wrong network configuration
Verify that the Ethernet card driver software and TCP/IP software are both installed and 
configured on your computer. 
Verify that the IP address for your router and...

11 0
A
A.   Supplemental Information
This appendix provides factory default settings and technical specifications for the N600 
Wireless Dual Band Router WNDR3400v2.
Factory Settings
You can return the router to its factory settings. Use the end of a paper clip or some other 
similar object to press and hold the Restore Factory Settings button on the back of the 
router for at least 5 seconds. The router resets and returns to the factory settings.
 Your 
device returns to the factory configuration...