Netgear N450 N450 Cg3000dv2 Wifi Cable Model Router User Manual

Troubleshooting 
81  N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Basic Functions
After you have turned on power to the modem router, do the following:
1. Check to see that the Power LED is lit.
2. Check that the numbered Ethernet LEDs light momentarily.
3. After a few seconds, check that the LEDs are lit for any local ports that are connected.
The following table provides help when you are using the LEDs for troubleshooting.
Table 2.  LED behavior
Connect to the Modem Router’s Main Menu
If you are...

Troubleshooting 
82 N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
•Make sure that your computer’s IP address is on the same subnet as the modem router. 
If you are using the recommended addressing scheme, your computer’s address is in the 
range of 192.168.0.10 to 192.168.0.254.
Note:If your computer’s IP address is shown as 169.254.x.x: 
Recent versions of Windows and Mac OS generate and assign an IP 
address if the computer cannot reach a DHCP server. These 
autogenerated addresses are in the...

Troubleshooting 
83  N450 WiFi Cable Modem Router Model N450/CG3000Dv2
easily troubleshoot a TCP/IP network by using the ping utility in your computer or 
workstation.
Test the LAN Path to Your Modem Router
You can use ping to verify that the LAN path to your modem router is set up correctly.
To ping the modem router from a computer running Windows 95 or later:
1. From the Windows toolbar, click the Start button and select Run.
2. In the field provided, type ping followed by the IP address of the modem...

Troubleshooting 
84 N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
If the path is functioning correctly, replies as in the previous section are displayed. If you do 
not receive replies, do the following:
•Check that your computer has the IP address of your modem router listed as the default 
modem router. If the IP configuration of your computer is assigned by DHCP, this 
information is not visible in your computer’s Network Control Panel. Verify that the IP 
address of the modem router is listed as...

85
A
A.   Supplemental Information
This appendix includes the following sections:
•Factory Default Settings 
•Technical Specifications  

 Supplemental Information
86 N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
Factory Default Settings
You can return the modem router to its factory settings. On the rear panel of the modem 
router, press and hold the Reset button   for over seven seconds. The modem router 
resets and returns to the factory configuration settings shown in the following table.
Table 3.  Factory default settings 
FeatureParameterDefault
Modem Router 
loginUser login URL http://192.168.0.1
User name and password...

 Supplemental Information
87  N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Technical Specifications
The following table describes the technical specifications for the modem router.
Table 4.  Technical specifications
Wireless Wireless communication Enabled
SSID name Appears on the label of the modem router.
Security WPA/WPA2 
The default WPA/WPA2 password appears on the 
label of the modem router.
Broadcast SSID Enabled
Transmission speed Auto
1
Country/region United States (varies by region)
RF...

 Supplemental Information
88 N450 WiFi Cable Modem Router Model N450/CG3000Dv2 
Interface Local: 10BASE-T, 100/1000BASE-Tx, RJ-45
USB 2.0/1.1 function
802.11n/g/b
Internet: DOCSIS 3.0. Downward compatible with DOCSIS 2.0, 1.1, and 1.0
ComponentSpecification