Netgear Dgn2200v4 N300 Wireless Adsl2 Plus Modem Router User Manual

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121  N300 Wireless ADSL2+ Modem Router DGN2200v4
•Check that your login credentials are correct, or that the information you entered on the 
Internet Setup screen is correct.
•Check if your ISP has a problem—it might not be that the modem router cannot connect 
to the Internet, but rather that your ISP that cannot provide an Internet connection.
Obtaining an Internet IP Address
If your modem router is unable to access the Internet, and your Internet LED is green, see if 
the modem router can obtain an Internet IP address from the ISP. Unless you have been 
assigned a static IP address, your modem router requests an IP address from the ISP. You 
can determine whether the request was successful using the browser interface.
To check the Internet IP address from the browser interface: 
1. Launch your browser, and select an external site such as www.netgear.com.
2. Access the main menu of the modem router’s configuration at http://192.168.0.1. 
3. Click the Advanced tab and check that an IP address is shown for the WAN port.
If 0.0.0.0 is shown, your modem router has not obtained an IP address from your ISP.
If your modem router is unable to obtain an IP address from the ISP, the problem might be 
one of the following:
•If you have selected a login program, the service name, user name, or password might 
be incorrectly set. See the following section, 
Troubleshoot PPPoE or PPPoA .
•Your ISP might check for your computer’s host name. Assign the computer host name of 
your ISP account to the modem router in the browser-based Setup Wizard.
•Your ISP allows only one Ethernet MAC address to connect to Internet, and might check 
for your computer’s MAC address. In this case, do one of the following:
-Inform your ISP that you have bought a new network device, and ask them to use the 
modem router’s MAC address.
-Configure your modem router to spoof your computer’s MAC address. This can be 
done in the Basic Settings screen. 
Troubleshoot PPPoE or PPPoA
To debut the PPPoE or PPPoA connection:
1. Access the main menu of the modem router at http://192.168.0.1.
2. Select Maintenance > Router Status.
3. Click the Connection Status button.
If all of the steps indicate OK, your PPPoE or PPPoA connection is up and working.
If any of the steps indicates Failed, you can attempt to reconnect by clicking Connect. The 
modem router continues to attempt to connect indefinitely. 
						

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122 N300 Wireless ADSL2+ Modem Router DGN2200v4 
If you cannot connect after several minutes, you might be using an incorrect service name, 
user name, or password. There also might be a provisioning problem with your ISP.
Unless you connect manually, the modem router does not authenticate using PPPoE or 
PPPoA until data is transmitted to the network.
Troubleshoot Internet Browsing
If your modem router can obtain an IP address, but your computer is unable to load any web 
pages from the Internet:
•Your computer might not recognize any DNS server addresses. 
A DNS server is a host on the Internet that translates Internet names (such as www 
addresses) to numeric IP
 addresses. Typically your ISP provides the addresses of one or 
two DNS servers for your use. If you entered a DNS address when you set up the modem 
router, reboot your computer, and verify the DNS address. Alternatively, you can 
configure your computer manually with DNS addresses, as explained in your operating 
system documentation.
•Your computer might not have the modem router configured as its TCP/IP modem router.
If your computer obtains its information from the modem router by DHCP, reboot the 
computer, and verify the modem router address.
TCP/IP Network Not Responding
Most TCP/IP terminal devices and routers have a ping utility for sending an echo request 
packet to the designated device. The device responds with an echo reply to tell whether a 
TCP/IP network is responding to requests.
Test the LAN Path to Your Modem Router
You can ping the modem router from your computer 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 taskbar, click the Start button, and select Run.
2. In the field provided, type ping followed by the IP address of the modem router, as in this 
example:
ping 192.168.0.1
3. Click OK.
You should see a message like this one:
Pinging  with 32 bytes of data
If the path is working, you see this message: 
						

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123  N300 Wireless ADSL2+ Modem Router DGN2200v4
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, you could have one of the following problems:
•Wrong physical connections
Make sure that the LAN port LED is lit. If the LED is off, follow the instructions in LAN 
LED Is Off on page 11 8.
•Wrong network configuration
-Verify that the Ethernet card driver software and TCP/IP software are both 
installed and configured on your computer or workstation.
-Verify that the IP address for your modem router and your workstation are correct 
and that the addresses are on the same subnet.
Test the Path from Your Computer to a Remote Device
After you verify that the LAN path works correctly, test the path from your computer to a 
remote device. In the Windows Run screen, type:
ping -n 10 IP address
where IP address is the IP address of a remote device such as your ISP’s DNS server.
If the path is functioning correctly, replies as described in Test the LAN Path to Your Modem 
Router on page 122 display. If you do not receive replies:
•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 the default router.
•Check that the network address of your computer (the portion of the IP address specified 
by the netmask) is different from the network address of the remote device.
•Check that your cable or DSL modem is connected and functioning.
•If your ISP assigned a host name to your computer, enter that host name as the account 
name in the Internet Setup screen.
•Your ISP could be rejecting the Ethernet MAC addresses of all but one of your 
computers. Many broadband ISPs restrict access by allowing traffic only from the MAC 
address of your modem, but some additionally restrict access to the MAC address of a 
single computer connected to that modem. In this case, configure your modem router to 
clone or spoof the MAC address from the authorized computer.  
						

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Changes Not Saved
If the modem router does not save the changes you make in the modem 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.
Incorrect Date or Time
The modem 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 day. Problems with the date and time function can include the following:
•Date shown is January 1, 2003. This means the modem router has not yet reached a 
network time server. Check that your Internet access is configured correctly. If you have 
just finished setting up the modem router, wait at least 5 minutes, and check the date and 
time again.
•Time is off by one hour. The modem router has an automatic daylight savings time 
setting. 
To change the modem router setting for daylight savings time:
1. Select Security > Schedule. 
2. Select the Automatically adjust for daylight savings time check box.
3. Click Apply.
Your change is saved. 
						

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A
A.   Supplemental Information
This appendix includes the factory default settings and technical specifications for the modem 
router, and instructions for wall-mounting the unit.
This appendix contains the following sections:
•Factory Settings 
•Specifications  
						

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126 N300 Wireless ADSL2+ Modem Router DGN2200v4 
Factory Settings
You can return the modem router to its factory settings. On the back of the modem router, 
use the end of a paper clip or some other similar object to press and hold the Reset button for 
at least 7 seconds. The modem router returns to the factory 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 (case-sensitive)admin 
Login password (case-sensitive)password
Internet 
connectionWAN MAC addressUse default address
WAN MTU size1492
Port speedAutoSensing
Local network 
(LAN)LAN IP192.168.0.1
Subnet mask255.255.255.0
RIP directionNone
RIP versionDisabled
RIP authenticationNone
DHCP serverEnabled
DHCP starting IP address192.168.0.2
DHCP ending IP address192.168.0.254
DMZEnabled or disabled
Time zoneGMT for WW except GR, GMT+1 for GR, GMT-8 for NA
Time zone adjusted for daylight 
savings timeDisabled
SNMPDisabled
FirewallInbound (communications coming 
in from the Internet)Disabled (except traffic on port 80, the HTTP port)
Outbound (communications going 
out to the Internet)Enabled (all)
Source MAC filteringDisabled 
						

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127  N300 Wireless ADSL2+ Modem Router DGN2200v4
WirelessWireless communicationEnabled
SSID nameCan be found on the label on the bottom of the unit.
SecurityCan be found on the label on the bottom of the unit.
Broadcast SSIDEnabled
Country/regionUnited States (in North America; otherwise, varies by 
region)
RF channelAuto
Operating modeUp to 145 Mbps
Data rateBest
Output powerFull
Access pointEnabled
Authentication typePre-shared Key
Wireless card access listAll wireless stations allowed
Table 4.  Factory default settings  (continued)
FeatureDefault Behavior 
						

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N300 Wireless ADSL2+ Modem Router DGN2200v4 
Specifications
Table 5.  
SpecificationDescription
Network protocol and 
standards compatibility TCP/IP, RIP-1, RIP-2, DHCP, PPPoE or PPPoA, RFC 1483 Bridged or 
Routed Ethernet, and RFC 1577 Classical IP over 
 ATM
Power adapter North America: 120V, 60 Hz, input
UK, Australia: 240V, 50 Hz, input
Europe: 230V, 50 Hz, input
All regions (output): 12V @ 1A output
Physical Dimensions: 6.80 in. x 5.03 in. x 1.28 in. (173 mm x 128 mm x 33 mm)
Weight: 0.65 lbs. without the stand (0.29 kg)
Environmental Operating temperature: 0° to 40° C      (32º to 104º F)
Operating humidity: 10% to 90% relative humidity, noncondensing
Storage temperature: –20° to 70° C   (–4º to 158º F)
Storage humidity: 5 to 95% relative humidity, noncondensing
Regulatory compliance FCC Part 15 Class B, FCC Part 68, VCCI Class B; EN 55 022 (CISPR 22), \
Class B
Interface specifications LAN: 10BASE-T or 100BASE-Tx, RJ-45
WAN: ADSL, Dual RJ-11, pins 2 and 3 
T1.413, G.DMT, G.Lite   ITU Annex A hardware or Annex B hardware 
ITU G.992.5 (ADSL2+)