User`s manual

43
Problem: The AP does not respond to ping from the client computer.
y Are two or more NICs installed on the client computer?
¾ Use the OS-provided command-line network tool, route.exe, to
modify the contents of the routing table.
¾ Use Windows-provided Device Manager to disable unnecessary
NICs.
y Is the underlying link (Ethernet or IEEE 802.11b) established?
¾ Make sure the Ethernet link is OK.
¾ Make sure the wireless settings of the wireless client computer
and of the AP match.
y Are the IP address of the client computer and the IP address of the
AP in the same IP subnet?
¾ Use WinIPCfg.exe or IPConfig.exe to see the current IP address
of the client computer. Make sure the IP address of the client
computer and the IP address of the AP are in the same IP subnet.
Problem: The default gateway of the client computer does not respond to
ping from the client computer.
y Solve the preceding problem first.
y Are the IP address of the AP and the IP address of the client
computer in the same IP subnet?
y If users 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.
Problem: The DNS server(s) of the client computer do not respond to ping
from the client computer.
y Solve the preceding problems first.
y If users cannot find any incorrect settings of the AP, the default
gateway of the AP may be down or there are other communication
problems on the network backbone.