Troubleshooting; Diagnosing Problems; Access Point - 3Com 6000 User Manual

8

Diagnosing Problems

Access Point

T
ROUBLESHOOTING
The icons in the 3Com WLAN Launcher window indicate the network status and
can help you diagnose problems. To display the 3Com WLAN Launcher, double
click the 3Com icon in the Windows system tray.
If you have difficulty with the access point, try the solutions in the following table.
Symptom
Access point does not
power up.
No operation.
Access point powers up, but
has no connection to the wired
network.
In the WLAN Launcher
window, you see a red X on
the Ethernet cable graphic.
Access point powers up, but
does not associate with
wireless clients.
In the 3Com WLAN Launcher
window, you see a red dotted
line with an X.
Slow or erratic performance.
Running on a computer
connected to the wired LAN,
the access point Configuration
Management tool cannot find
an access point.
Solutions
Make sure the Ethernet cable is plugged into the port labeled
To Access Point on the power brick.
Check for a faulty access point power supply.
Check for a failed AC power supply
Verify the access point configuration.
Review access point firmware revisions and update firmware
if necessary.
Make sure that there are no duplicate IP addresses on the
network. Unplug the access point and ping the assigned
address to make sure that no other device responds to that
address.
Make sure that the Ethernet cable is plugged into the port
labeled To Hub/Switch on the power brick.
Verify the network wiring and topology for proper
configuration:
Check that the cables used are the proper type.
I
Verify that the wireless client is operating correctly.
I
Confirm that the WLAN service area on the access point
matches that on the clients.
Verify that the clients are operating correctly.
Make sure that security settings on the access point match
those on the clients.
Make sure that the access point antenna is positioned
properly.
Check the range and move clients closer if necessary.
Try changing the wireless channel on the access point.
Check the access point antenna, connectors, and cabling for
loose connections.
Check the wired network topology and configuration
for malfunctions.
Make sure that the computer is connected to the same
network as the access point.