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Appendix A: Troubleshooting
This appendix consists of two parts: “Common Problems and Solutions” and
“Frequently Asked Questions.” Provided are possible solutions to problems
regarding the installation and operation of the Router. If your situation is described
here, the problem should be solved by applying the corresponding solution. If you
can’t find an answer here, check the Linksys website at www.linksys.com.
1. I need to set a static IP address on a PC.
The Router, by default, assigns an IP address range of 192.168.1.100 to
192.168.1.150 using the DHCP server on the Router. To set a static IP address, you
can only use the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.151 to
192.168.1.254. Each PC or network device that uses TCP/IP must have a unique
address to identify itself in a network. If the IP address is not unique to a network,
Windows will generate an IP conflict error message. You can assign a static IP
address to a PC by performing the following steps:
For Windows 95, 98, and Me:
A. Click Start, Settings, and Control Panel. Double-click Network.
B. 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.
C. 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 com-
puter on the network connected to the Router. You can only use an IP address
in the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.151 to
192.168.1.254. Make sure that each IP address is unique for each PC or net-
work device.
D. Click the Gateway tab, and in the New Gateway prompt, enter 192.168.1.1,
which is the default IP address of the Router. Click the Add button to accept
the entry.
E. 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.
F. Click the OK button in the TCP/IP properties window, and click Close or the
OK button for the Network window.
G. Restart the computer when asked.
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Common Problems and Solutions
• Station MAC Filter. This option will allow you to prevent wireless users
on your network from accessing the Router’s functions.
Clicking the Active MAC Table button will display the MAC Addresses of
all users on your wireless network. Addresses in green show access to the
Router, while addresses in red do not have access.
To filter users, click the Edit MAC Filter Setting button. The window
shown in Figure 5-24 will appear.
Click the Wireless MAC Entry drop-down menu to select a range of
entries for your network. From within this range, select the entry for which
you’d like to manage access. Verify that the appropriate MAC Address is
entered into the MAC Address field. Click the Filter checkbox beside that
MAC Address. Now, this user will be prevented from accessing the Router.
All other users will have access. To allow only that user and deny access to
all others, leave Filter unchecked.
Click the Apply button to set these changes or Undo if you do not wish
these changes to go into effect.
When finished with the Wireless Tab, click the Apply button to save the set-
tings. Otherwise, click the Cancel button to undo changes made on this screen.
Figure 5-23
Instant Wireless
®
Series
Wireless Access Point Router with 4-Port Switch
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