ZyXEL Communications G-120 7.3 Problems Communicating With Other Computers

ZyXEL G-120 User’s Guide

7.3 Problems Communicating With Other Computers

Table 22 Troubleshooting Communication Problems

PROBLEM	CORRECTIVE ACTION
In wireless station	In Infrastructure Mode
mode, the	• Make sure that the AP and the associated computers are turned on and
computer with the
	working properly.
G-120 installed
	• Make sure the G-120 computer and the associated AP use the same SSID.
cannot
	• Change the AP and the associated wireless clients to use another radio
communicate with
the other	channel if interference is high.
computer(s).	• Make sure that the computer and the AP share the same security option and
	key. Verify the settings in the Profile Security Setting screen.
	• If you are using WPA(2) or WPA(2)-PSK security, try changing your encryption
	type from TKIP to AES or vice versa.
	In Ad-Hoc (IBSS) Mode
	• Verify that the peer computer(s) is turned on.
	• Make sure the G-120 computer and the peer computer(s) are using the same
	SSID and channel.
	• Make sure that the computer and the peer computer(s) share the same
	security settings.
	• Change the wireless clients to use another radio channel if interference is high.
When using the	The G-120 might still be operating in access point mode. This results when you set
Windows XP	the G-120 to operate in access point mode using the ZyXEL utility, close the
configuration tool,	ZyXEL utility and then use the Windows XP configuration tool.
the G-120 cannot	Before you use the Windows XP configuration tool, make sure you set the G-120
scan for or
	to operate in station mode before you close and exit the ZyXEL utility.
connect to any
access points.
In access point	• Verify that the computer with the G-120 installed is turned on.
mode, the wireless	• Make sure the wireless station(s) uses the same SSID as the G-120.
station(s) cannot	• Make sure the wireless station(s) uses the same security settings.
associate with the
	• Verify that the wireless station(s) is not blocked in the MAC Filter screen.
G-120.

72 Chapter 7 Troubleshooting