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Voice Gateway with Router
53
Appendix A: Troubleshooting
Common Problems and Solutions
4.
Click the
OK
button in the
Internet Protocol (TCP/IP) Properties
window, and click the
OK
button in
the
Local Area Connection Properties
window.
5.
Restart the computer if asked.
6.
Click the
OK
button in the
Internet Protocol (TCP/IP) Properties
window, and click the
OK
button in
the
Local Area Connection Properties
window.
7.
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)
, and click
the
Properties
button.
Make sure that
Obtain an IP address automatically
and
Obtain DNS
server address automatically
are selected.
B.
Open a command prompt.
•
For Windows 98 and Millennium, click
Start
and
Run
. In the
Open
field, type
command
. Press the
Enter
key or click the
OK
button.
•
For Windows 2000 and XP, click
Start
and
Run
. In the
Open
field, type
cmd
. Press the
Enter
key or
click the
OK
button.
C.
In the command prompt, type
and press the
Enter
key.
•
If you get a reply, the computer is communicating with the Voice Gateway.
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Voice Gateway with Router
54
Appendix A: Troubleshooting
Common Problems and Solutions
•
If you do NOT get a reply, check the cable, and make sure
Obtain an IP address automatically
is
selected in the TCP/IP settings for your Ethernet adapter.
D.
In the command prompt, type
ping
followed by your Internet IP address and press the
Enter
key.
The
Internet IP Address can be found in the web interface of the Voice Gateway. For example, if your Internet
IP address is 1.2.3.4, you would enter
ping 1.2.3.4
and press the
Enter
key.
•
If you get a reply, the computer is connected to the Voice Gateway.
•
If you do NOT get a reply, try the ping command from a different computer to verify that your
original computer is not the cause of the problem.
E.
In the command prompt, type
ping www.linksys.com
and press the
Enter
key.
•
If you get a reply, the computer is connected to the Internet. If you cannot open a webpage, try the
ping command from a different computer to verify that your original computer is not the cause of
the problem.
•
If you do NOT get a reply, there may be a problem with the connection. Try the ping command from
a different computer to verify that your original computer is not the cause of the problem.
5.
I am not getting an IP address on the Internet with my Internet connection.
A.
Refer to “Problem #4, I want to test my Internet connection” to verify that you have connectivity.
B.
If you need to register the MAC address of your Ethernet adapter with your ISP, please see “Appendix B:
Finding the MAC Address and IP Address for Your Ethernet Adapter.” If you need to clone the MAC
address of your Ethernet adapter onto the Voice Gateway, see the Router - WAN Setup - MAC Clone
Settings section of “Chapter 6: Using the Web-based Utility” for details.
C.
Make sure you are using the right Internet settings. Contact your ISP to see if your Internet connection
type is DHCP, Static IP Address, or PPPoE (commonly used by DSL consumers).
Please refer to the
Router - WAN Setup - Internet Connection Settings section of “Chapter 6: Using the Web-based Utility”
for details on Internet Connection Type settings.
D.
Make sure you use the right cable. Check to see if the Ethernet LED is solidly lit.
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Voice Gateway with Router
55
Appendix A: Troubleshooting
Common Problems and Solutions
E.
Make sure the cable connecting from your cable or DSL modem is connected to the Voice Gateway’s
Internet port. Verify that the Router - Status page of the Voice Gateway’s Web-based Utility shows a valid
IP address from your ISP.
F.
Turn off the computer, Voice Gateway, and cable/DSL modem. Wait 30 seconds, and then turn on the
Voice Gateway, cable/DSL modem, and computer. Check the Router - Status page of the Voice Gateway’s
Web-based Utility to see if you get an IP address.
6.
I am not able to access the Voice Gateway’s Web-based Utility Setup page.
A.
Refer to “Problem #4, I want to test my Internet connection” to verify that your computer is properly
connected to the Voice Gateway.
B.
Refer to “Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter” to verify that
your computer has an IP Address, Subnet Mask, Gateway, and DNS.
C.
Set a static IP address on your system; refer to “Problem #3: I need to set a static IP address on a PC.”
D.
Refer to “Problem #10: I am a PPPoE user, and I need to remove the proxy settings or the dial-up pop-up
window.”
7.
I need to set up a server behind my Voice Gateway.
To use a server like a web, ftp, or mail server, you need to know the respective port numbers they are using.
For example, port 80 (HTTP) is used for web; port 21 (FTP) is used for FTP, and port 25 (SMTP outgoing) and
port 110 (POP3 incoming) are used for the mail server.
You can get more information by viewing the
documentation provided with the server you installed.
Follow these steps to set up port forwarding through
the Voice Gateway’s Web-based Utility. We will be setting up web, ftp, and mail servers.
A.
Access the Voice Gateway’s Web-based Utility by going to
or the IP address of the
Voice Gateway. Go to the
Router
=>
Application
tab.
B.
Select
yes
from the
Enable
drop-down menu.
C.
Enter any name you want to use for the service.
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Voice Gateway with Router
56
Appendix A: Troubleshooting
Common Problems and Solutions
D.
Enter the port range of the service you are using. For example, if you have a web server, you would enter
the range 80 (in the
Starting Port
field) to 80 (in the
Ending Port
field).
E.
Select the protocol you will be using,
TCP
or
UDP
, or select
Both
.
F.
Enter the IP address of the PC or network device that you want the port server to go to. For example, if
the web server’s Ethernet adapter IP address is 192.168.0.100, you would enter 100 in the field
provided. Check “Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter” for
details on getting an IP address.
G.
Follow the instructions in steps B-F for the port services you want to use. Consider the examples below:
When you have completed the configuration, click the
Submit All Changes
button.
8.
I need to set up online game hosting or use other Internet applications.
If you want to play online games or use Internet applications, most will work without doing any port
forwarding or DMZ hosting.
There may be cases when you want to host an online game or Internet
application.
This would require you to set up the Voice Gateway to deliver incoming packets or data to a
specific computer.
This also applies to the Internet applications you are using. The best way to get the
Enable
Service Name
Starting and
Ending Ports
Protocol
IP Address
yes
Web server
80 to 80
Both
192.168.0.100
yes
FTP server
21 to 21
TCP
192.168.0.101
yes
SMTP (outgoing)
25 to 25
Both
192.168.0.102
yes
POP3 (incoming)
110 to 110
Both
192.168.0.102
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Voice Gateway with Router
57
Appendix A: Troubleshooting
Common Problems and Solutions
information on what port services to use is to go to the website of the online game or application you want to
use. Follow these steps to set up online game hosting or use a certain Internet application:
A.
Access the Voice Gateway’s Web-based Utility by going to
or the IP address of the
Voice Gateway. Go to the
Router
=>
Application
tab.
B.
Select
yes
from the
Enable
drop-down menu.
C.
Enter any name you want to use for the service.
D.
Enter the port range of the service you are using. For example, if you have a web server, you would enter
the range 80 (in the
Starting Port
field) to 80 (in the
Ending Port
field).
E.
Select the protocol you will be using,
TCP
or
UDP
, or select
Both
.
F.
Enter the IP address of the PC or network device that you want the port server to go to. For example, if
the web server’s Ethernet adapter IP address is 192.168.0.100, you would enter 100 in the field
provided. Check “Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter” for
details on getting an IP address.
G.
Follow the instructions in steps B-F for the port services you want to use. Consider the examples below:
When you have completed the configuration, click the
Submit All Changes
button.
Enable
Service Name
Starting and
Ending Ports
Protocol
IP Address
yes
UT
7777 to 27900
Both
192.168.0.100
yes
Halflife
27015 to 27015
Both
192.168.0.105
yes
PC Anywhere
5631 to 5631
UDP
192.168.0.102
yes
VPN IPSec
500 to 500
UDP
192.168.0.100
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