User's Manual

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u Make sure the Ethernet link is OK.
u Make sure the wireless settings of the wireless client computer and of the AP match.
n Are the IP address of the client computer and the IP address of the AP in the same IP sub-
net?
u Use WinIPCfg.exe or IPConfig.exe to see the current IP address of the client com-
puter. Make sure the IP address of the client computer and the IP address of the AP
are in the same IP subnet.
u TIP: If you forget the current IP address of the AP, use the Wireless Network Man-
ager or Wireless Router/AP Browser to get the information (see Appendix C-3).
l The default gateway of the client computer does not respond to ping from the
client computer.
n Solve the preceding problem first.
n Are the IP address of the AP and the IP address of the client computer in the same IP sub-
net?
n If you cannot find any incorrect settings of the AP, the default gateway may be really down
or there are other communication problems on the network backbone.
l The DNS server(s) of the client computer do not respond to ping from the client
computer.
n Solve the preceding problems first.
n If you cannot find any incorrect settings of the AP, the default gateway of the AP may be
really down or there are other communication problems on the network backbone.
B-3: Unknown Problems
l The AP has been set to obtain an IP address automatically by DHCP. How can I
know its acquired IP address so that I can manage it using a Web browser?
n Use the utility, Wireless Router/AP Browser (WLBrwsr.exe), in the “Utilities” folder on
the companion CD-ROM disc. This utility can discover nearby APs and show their MAC
addresses and IP addresses. In addition, it can launch the default Web browser on your
computer.