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7.5  Diagnostic tool 
With the diagnostic tool, you can detect the connection status and connection quality of a network. 
Assume that you need to check the connection quality between the AP and its upstream router (IP 
address: 192.168.1.1). 
Procedure: 
Step 1  Choose Tools > Diagnostic Tool to enter the configuration page. 
Step 2  Enter the IP address of its upstream router in the Target IP/Domain Name box, which is 
192.168.1.1 in this example. 
Step 3  Click ping. 
 
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Wait a moment. The Ping result is displayed in the black square. See the following figure: