ZyXEL AG-220 User’s Guide

7.3 Problem with the Link Quality

Table 25 Troubleshooting Link Quality

PROBLEM

CORRECTIVE ACTION

 

 

The link quality

Search and connect to another AP with a better link quality using the Site Survey

and/or signal

screen.

strength is poor all

Move your computer closer to the AP or the peer computer(s) within the

the time.

transmission range.

 

 

There may be too much radio interference (for example microwave or another AP

 

using the same channel) around your wireless network. Lower the output power of

 

each AP.

 

Make sure there are not too many wireless stations connected to a wireless

 

network.

7.4 Problems Communicating With Other Computers

Table 26 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.

AG-220 installed

• Make sure the AG-220 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 AG-220 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.

 

 

In access point

Verify that the computer with the AG-220 installed is turned on.

mode, the wireless

Make sure the wireless station(s) uses the same SSID as the AG-220.

station(s) cannot

Make sure the wireless station(s) uses the same security settings.

associate to the

Verify that the wireless station(s) is not blocked in the MAC Filter screen.

AG-220.

 

 

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Chapter 7 Troubleshooting