Test The Path From Your Computer To A Remote Device; Cannot Log In - NETGEAR DGND3800B User Manual

N600 Wireless Dual Band Gigabit VDSL2 Modem Router DGND3800B

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
on page 140 display. If you do not receive replies:
Router
Check that your computer has the IP address of your 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
router is listed as the default modem 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 ADSL 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 Basic Settings 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 router to clone or
spoof the MAC address from the authorized computer.

Cannot Log In

If you cannot log in to the modem router from a computer on your local network, check the
following:
The router is plugged in and it is on.
•
You are using the correct login information. The login name is admin, and the password
•
is password. Make sure that Caps Lock is off when you enter this information.
If you cannot connect wirelessly, try an Ethernet connection and view the router wireless
•
settings and set up your wireless computer with corresponding wireless settings.
If you are using an Ethernet-connected computer, check the Ethernet connection
•
between the computer and the router. The LAN LED for the port you are using on the
router should light up to show your connection.
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
192.168.0.2 to 192.168.0.254.
If the computer IP address is 169.254.x.x, recent versions of Windows and Mac OS
•
generate and assign an IP address when the computer cannot reach a DHCP server. The
Test the LAN Path to Your Modem
Troubleshooting
141