Netgear Centria Wndr4700 Wndr4720 Media Storage Router User Manual

Troubleshooting
131  CENTRIA WNDR4700/WNDR4720
Cannot Log In to CENTRIA
If you are unable to log in to CENTRIA from a computer on your local network, check the 
following:
•     If you are using an Ethernet-connected computer, check the Ethernet connection 
between the computer and the router as described in the previous section.
•     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...

Troubleshooting
132 CENTRIA WNDR4700/WNDR4720 
If your router cannot obtain an IP address from the ISP, you might need to force your cable or 
DSL modem to recognize your new router by restarting your network, as described in 
Sequence to Restart Your Network on page 128.
If your router is still unable to obtain an IP address from the ISP, the problem might be one of 
the following:
•     Your Internet service provider (ISP) might require a login program.
Ask your ISP whether it requires PPP over...

Troubleshooting
133  CENTRIA WNDR4700/WNDR4720
Troubleshoot PPPoE
If you are using PPPoE, try troubleshooting your Internet connection.
To troubleshoot a PPPoE connection:
1. Log in to the router.
2. Select Administration > Router Status.
3. Click Connection Status. If all of the steps indicate OK, then your PPPoE connection is 
up and working.
If any of the steps indicate Failed, you can attempt to reconnect by clicking Connect. The 
router continues to attempt to connect indefinitely.
If you cannot...

Troubleshooting
134 CENTRIA WNDR4700/WNDR4720 
Changes Not Saved
If the router does not save the changes you make in the router interface, check the following:
•     When entering configuration settings, always click the Apply button before moving to 
another screen or tab, or your changes are lost. 
•     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.
Wireless Connectivity
If you are having trouble...

Troubleshooting
135  CENTRIA WNDR4700/WNDR4720
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 96).
•     Use the Reset button on the back of the router. See Factory Settings on page 138. If you 
restore the factory settings and the router fails...

Troubleshooting
136 CENTRIA WNDR4700/WNDR4720 
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 your computer...

137
A
A.   Supplemental Information
This appendix provides factory default settings and technical specifications for the CENTRIA 
WNDR4700/WNDR4720.
This appendix includes the following sections:
•     Factory Settings 
•     Technical Specifications  

Supplemental Information
138 CENTRIA WNDR4700/WNDR4720
Factory Settings
You can return the router to its factory settings. Use the end of a paper clip or a similar object 
to press and hold the Reset button on the back of the router for at least 7 seconds. The router 
resets, and returns to the factory configuration settings shown in the following table.
Table 4.  Factory default settings  
FeatureDefault behavior
Router loginUser login URLwww.routerlogin.com or www.routerlogin.net
User name...

Supplemental Information
139 CENTRIA WNDR4700/WNDR4720
Technical Specifications
WirelessWireless communicationEnabled
SSID nameSee router label
SecurityWPA2-PSK (AES)
Broadcast SSIDEnabled
Transmission speedAuto*
Country/regionUnited States in the US, otherwise varies by region
RF channel6 until region selected
Operating mode2.4 GHz b/g/n: Up to 195 Mbps 
5 GHz a/n: Up to 450 Mbps
FirewallInbound (communications coming 
in from the Internet)Disabled (bars all unsolicited requests)
Outbound...

Supplemental Information
140 CENTRIA WNDR4700/WNDR4720
LAN10BASE-T or 100BASE-Tx or 1000BASE-T, RJ-45
WAN10BASE-T or 100BASE-Tx or 1000BASE-T, RJ-45
WirelessMaximum wireless signal rate complies with the IEEE 802.11 standard. See the 
footnote for the previous table. 
Radio data ratesAuto Rate Sensing
Data encoding standardsIEEE 802.11n version 2.0
IEEE 802.11n, IEEE 802.11g, IEEE 802.11b 2.4 GHz
IEEE 802.11n, IEEE 802.11a 5.0 GHz
Maximum computers per 
wireless networkLimited by the amount of wireless...