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613 Posts
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9311
January 19th, 2006 18:00
IP Address Conflict
Every so often, (on my desktop computer)I get a message in the system tray saying "There is an IP address conflict with another system on the network".
If I just close the message, everything appears to be working normally.
My desktop is conected direcly to a cable modem and I have a laptop connected via a wireless router. I get the message whether the laptop is turned on or not.
Would appreciate any comments.
Arnie
If I just close the message, everything appears to be working normally.
My desktop is conected direcly to a cable modem and I have a laptop connected via a wireless router. I get the message whether the laptop is turned on or not.
Would appreciate any comments.
Arnie
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volcano11
2 Intern
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28K Posts
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January 20th, 2006 00:00
Are all computers on the network set to obtain an IP address automatically? Are you running any wireless security settings that would prevent someone in your neighborhood from hacking into your network with a possible conflicting IP address?
Steve
arnieday
613 Posts
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January 20th, 2006 00:00
Arnie
arnieday
613 Posts
0
January 20th, 2006 00:00
Arnie4
volcano11
2 Intern
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28K Posts
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January 20th, 2006 00:00
It sounds like you network is not setup correctly. If you have a router, you should not be connecting any computer directly to the modem. You should connect the modem to the router's WAN (also sometimes called Internet) port and you should connect any computer on the same network either to one of the LAN ports on the router or through wireless. With the connection setup you have, you are running two different networks through the modem so an IP conflict is entirely possible and could cause you problems.
Steve
volcano11
2 Intern
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28K Posts
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January 20th, 2006 01:00
To find out if you have the TCP/IP properties on all computers set to obtain an IP address automically, open Network Connections, the right click on the the network connection you are using and select "Properties" from the drop down menu. In the list of installed items, find - Internet Protocol (TCP/IP). Select it and click on Properties. Make sure all computers are set to Obtain an IP address automically.
As for the security settings, only you would know if you have enabled wireless security on your router. This involes using such features in the router's wireless security configuration as MAC Address filtering or WEP or WPA encryption. If you are not using these features, then you are runnin a non-secure wireless network, and any one that can pick up your wireless signal can use your wireless network and, if you have File and Printer Sharing enabled, have access to the files on any computer on your network. If you don't have wireless security enabled, then you should strongly consider doing it. See the following articles and consult the user guide that came with your router:
http://www.microsoft.com/windowsxp/using/networking/learnmore/bowman_05february10.mspx
http://www.ezlan.net/Wireless_Security.html
http://www.pcmag.com/article2/0,4149,1277020,00.asp
arnieday
613 Posts
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January 20th, 2006 13:00
Arnie