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20
Chapter 5: Configuring the ADSL2 Modem
Status Tab
ADSL2 Modem with USB and Ethernet
Status Tab
Local Network
The Local Network information that is displayed is the local IP Address, Subnet Mask, and DHCP Server. To view
the DHCP Clients Table, click the
DHCP Clients
Table
button.
DHCP Clients Table. Click the
DHCP Clients Table
button to show the current DHCP Client data. You will see the
MAC address, computer name, and IP address of the network clients using the DHCP server. (This data is stored
in temporary memory and changes periodically.) To delete a client from the DHCP server, select the client, then
click the
Delete
button.
Click the
Refresh
button if you want to refresh your screen. Click the
Close
button to close the screen.
Figure 5-14: Local Network
Figure 5-15: DHCP Table
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21
Appendix A: Troubleshooting
Common Problems and Solutions
ADSL2MUE Modem with USB and Ethernet
Appendix A: Troubleshooting
This appendix consists of two parts: “Common Problems and Solutions” and “Frequently Asked Questions.”
Provided are possible solutions to problems that may occur during the installation and operation of the Modem.
Read the descriptions below to help you solve your problems. If you can’t find an answer here, check the Linksys
website at www.linksys.com/international.
Common Problems and Solutions
1.
I need to set a static IP address on a computer.
You can assign a static IP address to a computer by performing the following steps:
For Windows 98 and Me:
1.
Click
Start
,
Settings
, and
Control Panel
. Double-click
Network
.
2.
In The following network components are installed box, select the TCP/IP-> associated with your
Ethernet adapter. If you only have one Ethernet adapter installed, you will only see one TCP/IP line
with no association to an Ethernet adapter. Highlight it and click the Properties button.
3.
In the TCP/IP properties window, select the IP address tab, and select Specify an IP address. Enter a
unique IP address that is not used by any other computer on the network connected to the Modem.
Make sure that each IP address is unique for each computer or network device.
4.
Click the
Gateway
tab, and in the New Gateway prompt, enter 192.168.1.1, which is the default IP
address of the Modem. Click the Add button to accept the entry.
5.
Click the
DNS
tab, and make sure the DNS Enabled option is selected. Enter the Host and Domain
names (e.g., John for Host and home for Domain). Enter the DNS entry provided by your ISP. If your ISP
has not provided the DNS IP address, contact your ISP to get that information or go to its website for
the information.
6.
Click the
OK
button in the TCP/IP properties window, and click Close or
the OK button for the Network
window.
7.
Restart the computer when asked.
For Windows 2000:
1.
Click
Start
,
Settings
, and
Control Panel
. Double-click
Network and Dial-Up Connections
.
2.
Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and
select the Properties option.
3.
In the Components checked are used by this connection box, highlight Internet Protocol (TCP/IP), and
click the
Properties
button. Select
Use the following IP address
option.
4.
Enter a unique IP address that is not used by any other computer on the network connected to the
Modem.
5.
Enter the Subnet Mask, 255.255.255.0.
6.
Enter the Default Gateway, 192.168.1.1 (Modem’s default IP address).
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22
Appendix A: Troubleshooting
Common Problems and Solutions
ADSL2MUE Modem with USB and Ethernet
7.
Toward the bottom of the window, select Use the following DNS server addresses, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
8.
Click the
OK
button in the Internet Protocol (TCP/IP) Properties window, and click the
OK
button in the
Local Area Connection Properties window.
9.
Restart the computer if asked.
For Windows XP:
The following instructions assume you are running Windows XP with the default interface. If you are using
the Classic interface (where the icons and menus look like previous Windows versions), please follow the
instructions for Windows 2000.
1.
Click
Start
and
Control Panel
.
2.
Click the
Network and Internet Connections
icon and then the
Network Connections
icon.
3.
Right-click the
Local Area Connection
that is associated with the Ethernet adapter you are using,
and select the Properties option.
4.
In the
This connection uses the following items
box, highlight
Internet Protocol (TCP/IP)
. Click
the
Properties
button.
5.
Enter a unique IP address that is not used by any other computer on the network connected to the
Modem.
6.
Enter the Subnet Mask, 255.255.255.0.
7.
Enter the Default Gateway, 192.168.1.1 (Modem’s default IP address).
8.
Toward the bottom of the window, select Use the following DNS server addresses, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
9.
Click the
OK
button in the Internet Protocol (TCP/IP) Properties window. Click the
OK
button in the
Local Area Connection Properties window.
2.
I am not getting an IP address on the Internet with my Internet connection.
Verify the connection:
1.
Make sure you are using the right Internet connection settings. Contact your ISP to see if your Internet
connection type is RFC 1483 Bridged, RFC 2516 PPPoE, or RFC 2364 PPPoA, or Bridged Mode Only.
Please refer to the Setup section of “Chapter 5: Configuring the ADSL2 Modem” for details on Internet
connection settings. Verify that the VPI and VCI settings are correct.
2.
Make sure you have the right cable. Check to see if the Modem column has a solidly lit ADSL LED.
3.
Make sure the cable connecting from your Modem’s ADSL port is connected to the wall jack of the
ADSL service line.
4.
Turn off the computer and Modem. Wait 30 seconds, and then turn on the Modem, and computer.
Check the Status tab of the Modem’s web-based utility to see if you get an IP address.
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23
Appendix A: Troubleshooting
Common Problems and Solutions
ADSL2MUE Modem with USB and Ethernet
3.
I forgot my password, or the password prompt always appears when I am saving settings to the
Gateway.
Reset the Modem to factory default by pressing the Reset button for 10 seconds and then releasing it. If
you are still getting prompted for a password when saving settings, then perform the following steps:
1.
Access the Modem’s web-based utility by going to http://192.168.1.1 or the IP address of the Modem.
Enter the default username and password
admin
, and click the
Administrations
=>
Management
tab.
2.
Enter a different password in the Modem Password field, and enter the same password in the second
field to confirm the password.
3.
Click the
Save Settings
button.
4.
To start over, I need to set the Modem to factory default.
Hold the
Reset
button for 10 seconds and then release it. This will return the Internet settings, password,
forwarding, and other settings on the Modem to the factory default settings. In other words, the Modem will
revert to its original factory configuration.
5.
I need to upgrade the firmware.
In order to upgrade the firmware with the latest features, you need to go to the Linksys website and download
the latest firmware at www.linksys.com/international.
Follow these steps:
1.
Go to the Linksys website at http://www.linksys.com/international and download the latest firmware.
2.
To upgrade the firmware, follow the steps in the Administration section found in
“Chapter 5:
Configuring the ADSL2 Modem.”
6.
My DSL service’s PPPoE is always disconnecting.
PPPoE is not actually a dedicated or always-on connection.
The DSL ISP can disconnect the service after a
period of inactivity, just like a normal phone dial-up connection to the Internet.
There is a setup option to “keep alive” the connection.
This may not always work, so you may need to re-
establish connection periodically.
1.
To connect to the Modem, go to the web browser, and enter http://192.168.1.1 or the IP address of the
Modem.
2.
Enter the username and password, if asked. (The default username and password is admin.)
3.
On the Setup screen, select the option
Keep Alive
, and set the Redial Period option at 1 minute.
4.
Click the
Save Settings
button. Click the
Status
tab, and click the
Connect
button.
5.
You may see the login status display as Connecting. Press the F5 key to refresh the screen, until you
see the login status display as Connected.
6.
Click the
Save Settings
button to continue.
If the connection is lost again, follow steps 1- 6 to re-establish connection.
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24
Appendix A: Troubleshooting
Frequently Asked Questions
ADSL2MUE Modem with USB and Ethernet
7.
The Power LED flashes continuously.
The Power LED lights up when the device is first powered up. In the meantime, the system will boot up itself
and check for proper operation. After finishing the checking procedure, the LED remains steady to show that
the system is working fine. If the LED continues to flash after this time, the device is not working properly. Try
to flash the firmware by assigning a static IP address to the computer, and then upgrade the firmware. Try
using the following settings, IP Address: 192.168.1.50 and Subnet Mask: 255.255.255.0.
8.
When I enter a URL or IP address, I get a time-out error or am prompted to retry.
Check if other computers work. If they do, ensure that your computer’s IP settings are correct (IP Address,
Subnet Mask, Default Gateway, and DNS). Restart the computer that is having a problem.
If the computers are configured correctly, but still not working, check the
Modem. Ensure that it is
connected and powered on. Connect to it and check its settings. (If you cannot connect to it, check the
LAN and power connections.)
Manually configure the TCP/IP settings with a DNS address provided by your ISP.
Make sure that your browser is set to connect directly and that any dial-up is disabled. For Internet
Explorer, click
Tools
,
Internet Options
, and then the
Connection
tab. Make sure that Internet Explorer is
set to
Never dial a connection
. For Netscape Navigator, click
Edit
,
Preferences
,
Advanced
, and
Proxy
.
Make sure that Netscape Navigator is set to
Direct connection to the Internet
.
Frequently Asked Questions
What is the maximum number of IP addresses that the Modem will support?
The Modem will support up to 253 IP addresses.
Is IPSec Passthrough supported by the Modem?
Yes, it is a built-in feature that is enabed by default.
Where is the Modem installed on the network?
The Modem is installed between the ADSL wall jack and the LAN.
Does the Modem support IPX or AppleTalk?
No. TCP/IP is the only protocol standard for the Internet and has become the global standard for communications.
IPX, a NetWare communications protocol used only to route messages from one node to another, and AppleTalk, a
communications protocol used on Apple and Macintosh networks, can be used for LAN to LAN connections, but
those protocols cannot connect from the Internet to a LAN.
Does the LAN connection of the Modem support 100Mbps Ethernet?
The Modem supports 100Mbps over the auto-sensing Fast Ethernet 10/100 switch on the LAN side of the Modem.

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