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Troubleshooting
116
Dual Band Wireless VDSL2 + Ethernet Gateway
b.
Unplug the gateway.
c.
Plug in the cable or DSL broadband modem and turn it on.
d.
Wait two minutes.
e.
Plug in the gateway and wait two minutes.
If your gateway 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 if 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
Setup screen.
If your ISP allows only one Ethernet MAC address to connect to Internet and checks for
your computer’s MAC address, do one of the following:
-
Inform your ISP that you bought a new network device and ask them to use the
gateway’s MAC address.
-
Configure your gateway to clone your computer’s MAC address.
Troubleshoot Internet Browsing
If your gateway can obtain an IP address, but your computer is unable to load any web pages
from the Internet, it might be for any of the following reasons:
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 during the gateway’s
configuration, reboot your computer and verify the DNS address. You can configure your
computer manually with DNS addresses, as explained in your operating system
documentation
.
The gateway might not be configured as the TCP/IP gateway on your computer.
If your computer obtains its information from the gateway by DHCP, reboot the computer
and verify the gateway address.
You might be running login software that is no longer needed.
If your ISP provided a program to log you in to the Internet (such as WinPoET), you no
longer need to run that software after installing your gateway. If you use Internet Explorer
as your browser, you might need to select
Tools > Internet Options
, click the
Connections
tab, and select the
Never dial a connection
check box. Other browsers
provide similar options.
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Troubleshooting
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Dual Band Wireless VDSL2 + Ethernet Gateway
Troubleshoot a PPPoE Internet Connection
To troubleshoot a PPPoE Internet connection:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
or
.
A login screen displays.
3.
Enter the gateway user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Click the
Advanced
tab.
The Advanced Home screen displays.
5.
On the WAN pane, click the
Connection Status
button.
For more information, see
View WAN Information
on page
94. If the fields show valid
information, including valid IP addresses, your PPPoE connection is up and working.
If any of the fields show incomplete information or no valid IP address, you can attempt to
reconnect by clicking the
Connect
button. The gateway continues to attempt to connect
indefinitely.
If you cannot connect after several minutes, you might be using an incorrect service name,
user name, or password. Your ISP might also be experiencing a provisioning problem.
Note:
Unless you connect manually, the gateway does not authenticate
using PPPoE until data is transmitted to the network.
Troubleshoot Your Network Using the Ping Utility
Most network devices and routers contain a ping utility that sends an echo request packet to
the designated device. The device then responds with an echo reply. You can troubleshoot a
network by using the ping utility on your computer or workstation.
Test the LAN Path to Your Gateway
You can ping the gateway from your computer to verify that the LAN path to your gateway is
set up correctly.
To ping the gateway from a computer running Windows:
1.
From the Windows toolbar, click the
Start
button and select
Run
.
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Dual Band Wireless VDSL2 + Ethernet Gateway
2.
In the field provided, type
ping
followed by the IP address of the gateway, as in this
example:
ping www.routerlogin.net
3.
Click the
OK
button.
A message similar to the following displays:
Pinging <IP address > with 32 bytes of data
If the path is working, you see this message:
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 might be experiencing one of the following
problems:
Wrong physical connections
For a wired connection, make sure that the numbered Ethernet port LED is lit for the port
to which you are connected.
Check that the appropriate LEDs are on for your network devices. If your gateway and
computer are connected to a separate Ethernet switch, make sure that the link LEDs are
lit for the switch ports that are connected to your computer and gateway.
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 gateway and your computer are correct and that the
addresses are on the same subnet.
Test the Path from Your Computer to a Remote Device
After verifying that the LAN path works correctly, test the path from your computer to a remote
device.
1.
From the Windows toolbar, click the
Start
button and select
Run
.
2.
In the field provided, type
ping -n 10
<
IP address
>
where <
IP address
> is the IP address of a remote device such as your ISP DNS server.
If the path is functioning correctly, replies like the examples shown in
Test the LAN Path to
Your Gateway
on page
117 are displayed.
If you do not receive replies, try the following:
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Dual Band Wireless VDSL2 + Ethernet Gateway
Check that the IP address of your gateway listed as the default gateway on your
computer. If a DHCP server assigns the IP configuration of your computer, this
information is not visible on your computer’s Network Control Panel.
Check to see that the network address of your computer (the portion of the IP address
specified by the subnet mask) is different from the network address of the remote device.
Check that your cable or DSL broadband 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 might 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 broadband modem, but some ISPs additionally restrict access to the MAC address
of a single computer connected to that modem. If this is the case, configure your gateway
to clone or spoof the MAC address from the authorized computer.
Troubleshoot IP Addresses
By default, the gateway is set up to automatically assign IP addresses to network clients. The
gateway’s IP address is 192.168.0.1 unless you changed it. Wired and wirelessly connected
computers must use network IP addresses on the same network as the gateway. The
simplest way to meet this requirement is to configure each computer to obtain an IP address
automatically using DHCP.
If you customized the IP address settings of your gateway and you’re experiencing trouble
with network connections, check the following:
Make sure that your computer’s IP address is on the same subnet as the gateway. If you
are using the recommended addressing scheme, your computer’s address is in the
192.168.0.x range.
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 range of 169.254.x.x. If your IP address is in
this range, check the connection from the computer to the gateway and reboot your
computer.
If your gateway’s IP address was changed and you do not know the current IP address,
clear the gateway’s configuration to factory defaults. This sets the gateway’s IP address
to 192.168.0.1. This procedure is explained in
Factory Settings
on page
122.
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Dual Band Wireless VDSL2 + Ethernet Gateway
Problems with Date and Time
The gateway 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.
To view the gateway’s date and time setting:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
http://routerlogin.net
or
www.routerlogin.com
.
A login screen displays.
3.
Enter the gateway user name and password.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4.
Select
ADVANCED > Security > Schedule
.
The Schedule screen displays.
Problems with the date and time function can include the following:
Date shown is January 1, 2000.
Cause. The gateway did not yet reach a network time server. Check that your Internet
access is configured correctly. If you just changed the gateway configuration, wait at least
five minutes and check the date and time again.
Time is off by one hour.
Cause. The gateway does not automatically detect daylight saving time. In the Schedule
screen, select the
Automatically adjust for Daylight Savings Time
check box and click
the
Apply
button.

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