50CHAPTER 4: TROUBLESHOOTING

Table 15 Troubleshooting (continued)

After you change the IP address, after you restore a backup configuration, or after you reset the Bridge to factory defaults, the Configuration Management System stops responding and you cannot continue configuring the Bridge.

If you change the IP address and click Apply, you cannot continue to configure the device using the old IP address. Similarly, after you restore a backup configuration or reset the Bridge to factory defaults, the IP address setting may be changed.

To recover from this situation and continue configuring the Bridge:

1Close your browser.

2Return to the 3Com Wireless Infrastructure Device Manager and click Refresh.

3Select the device and click Configure to start a new configuration session and set its IP address.

The Bridge cannot associate

Adjust the position of the Bridge to improve

with an access point.

 

reception.

 

Launch the Bridge Configuration Management

 

 

System and make sure the security settings on the

 

 

Bridge match those on the access point.

 

 

The Wireless Network Tree

Verify that you are using the correct network adapter.

does not appear in the

In the device manager window, click Choose NIC.

3Com Wireless

Select the network adapter for the network you want

Infrastructure Device

to scan, and click OK.

Manager window.

 

 

 

 

The Bridge has a yellow

The Bridge is on a different subnet than the computer

exclamation point (!) next to

attempting to configure it.

it in the Wireless

To recover from this situation and continue configuring

Infrastructure Device

the Bridge:

Manager.

1

Close your browser.

 

 

2

Return to the 3Com Wireless Infrastructure Device

 

 

Manager and click Refresh.

 

3

Select the device and click Configure to start a new

 

 

configuration session.

 

4

Make sure the subnet address matches that of the

 

 

computer.

 

 

 

Two Bridges cannot

Adjust the positions of the Bridges to improve reception.

communicate in ad-hoc

To ensure correct operation in ad-hoc mode, the

mode.

 

settings on the two Bridges must match exactly.

 

 

Launch the Bridge Configuration Management System and make sure that the Wireless LAN Service Area, channel selections, Data Preamble setting, and security setting are the same on both Bridges.

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3Com WL-560 manual Troubleshooting