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This FAQ provide generalized information about setting up a BellSouth configured Westell 2100/2200/6100 ((Models A90-210030-04, B90-220030-04 and B90-610030-06/C90-610030-06, respectively) with most of the popular hubs or switches available today. Other Westell models are different and this FAQ does not apply.
Most people recommend a switch because they are about the same price and are more efficient than hubs because they eliminate packet collisions. Please reference this FAQ for guidelines on which is right for your needs.
A benefit of using a hub or switch (instead of an additional router) is the ability to still access the Westell Interface through a browser.
Must new hubs and switches are auto-sensing and do not use a dedicated Uplink port. Simply plug the cable into any port and the equipment will sense that it as an uplink.
Some Hubs and switches require a crossover cable between the Westell and the Uplink port.
All PC NICs should all be set to "Obtain IP Address Automatically" and no proxy server should be set. Please reference this FAQ. Any changes to the NIC properties may require you to reboot the computer.
The BellSouth Installation CD and Connection Manager are not required to use this configuration.
It is highly recommended that you press the reset button while powered on to put the modem back to factory default before proceeding.
Verify that your NIC card(s) is set to "Obtain IP Address Automatically". Power off the Westell, hub or switch, and all PCs. Physically connect the Westell, the hub or switch, and any computer(s) as shown. Note: Some hubs and switches may require a crossover cable instead of a standard cat5 wire between the LAN port on the Westell and the Uplink port of the hub or switch. If your hub or switch is auto-sensing simply plug the cable into any port. A Wireless Access Point (WAP) can also be connected in conjunction with the hub or switch to provide wired and wireless networking as shown in second picture below.
Westell 2100 Shown. Pictures by Andy Houtz
Power up the Westell, the hub or switch, and all PCs. Open a browser session to access the Westell Interface and enter "192.168.1.254" or "launchmodem" in the address field. If you are unable to access the interface check the NIC properties as mentioned earlier.
Enter your BellSouth Username using the email@example.com format and then enter your password. Confirm your password. Click the Connect button to connect to the Internet. You're done!
By default the Westell modem is set to "Connect on demand" and will disconnect after a certain period of inactivity. Many people change their modem connection to "Always On" to insure that the connection will immediately renegotiate the connection if it goes down for any reason.
All of the LEDs on my Mother-in-Law'a 6100 modem are flashing and the modem doesn't work. What is wrong and how do I fix it? Thanks, firstname.lastname@example.org