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Part 7: Tips and Troubleshooting
Connecting to other routers
The IBM High Rate Wireless LAN Gateway can be connected to another router
in the following manner:
1. If the Gateway will connect to an upstream router, one which operates at a
higher level in the network than your Gateway, connect a cable from one of
the output ports of the router to the Internet-Broadband port of the
Gateway.
2. If the router will connect to a downstream router, one which operates at a
lower level in the network than your Gateway, connect a cable from one of
the LAN ports to the router.
Note: If the router to which the Gateway is connected has a Web-based
setup utility and its default IP address is the same as the Gateway,
then one of the addresses needs to be changed. If you choose to
change the IP address of the IBM High Rate Wireless LAN Gateway,
do the following:
a. Disconnect the Gateway from the router.
b. Click Advanced Configuration, and then click LAN configuration to
display the LAN configuration page.
c. Change the LAN IP address to another number.
d. Click Apply.
Note: The configuration changes made through the Web-based setup utility
are automatically saved into the flash memory within 30 seconds
after clicking Apply.
3. If the Gateway will be connected to a router and the Gateway will only be
used as a switched hub and a wireless access point:
v Click Advanced Configuration, and then click LAN configuration to
display the LAN configuration page.
v Change the LAN IP address to an address that is within the address pool
of the router that the Gateway is connected to. For example, if the router
has an IP address of 192.168.100.100, then the Gateway’s IP address
needs to be changed to a number between 192.168.100.1 and
192.168.100.254. Depending on the router configuration, other changes
may need to be performed. Consult the router’s documentation.
v Click DHCP configuration under the Advanced configuration menu to
display the DHCP configuration page.
v Disable the DHCP server.
v Disconnect any cable from the Internet-Broadband port.
© Copyright IBM Corp. 2001 7-1