NOTE:
If
two or more
NICs are installed and operating on a client computer, TCP/IP may not work
properly due to incorrect entries in the routing table. Use the OS-provided command-line network
tool,
route.exe
, to add or delete entries from the routing table. Or, use Windows-provided
Device
Manager
to disable unnecessary NICs.
Solve the following problems in order:
The wireless client cannot pass Web redirection-based authentication.
Are user name and password are correct?
Check the user credential information stored on the RADIUS server.
Is the RADIUS server correctly set up?
Check whether the password for the wireless client is stored using
reversible encryp-
tion
on the RADIUS server.
Check if the RADIUS server is set to use EAP-MD5, PAP, and CHAP authentication.
The WLAN hotspot access gateway does not respond to
ping
from the client
computer.
Are two or more NICs (wireless or wired) installed on the client computer?
Use the OS-provided command-line network tool,
route.exe
, to modify the contents
of the routing table.
Use Windows
-
provided
Device Manager
to disable unnecessary NICs.
Is the underlying communication link established?
Make sure the wireless link is OK.
Make sure the Ethernet link between the AP and the WLAN hotspot access gateway
is OK.
Make sure the settings of the client computer and of the WLAN hotspot access gate-
way match.
Are the IP address of the
client computer
and the IP address of the
WLAN hotspot access
gateway
in the same IP subnet?
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
WLAN hotspot access gateway are in the same IP subnet.
TIP:
If you forget the current IP address of the gateway, use Gateway/AP Browser to
get the information (see Appendix B-2).
The default gateway of the WLAN hotspot access gateway does not respond to
ping
from the client computer.
Solve the preceding problem first.
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