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34 CHAPTER 3: CONFIGURING THE BRIDGE
Setting Up an Ad-Hoc
Network
Operating in ad-hoc mode, two or more Bridges can associate among
themselves to form an ad-hoc network without the intervention of an
access point. You may wish to set up an ad-hoc network, for example, if
a group is working away from the office, or if a group in the office needs
to share files apart from the wired LAN.
CAUTION:
To ensure correct operation, the settings on the two Bridges
must match exactly.
To avoid the possibility of losing wireless association
while you are configuring, 3Com recommends
that you connect the Bridge
directly to the computer.
1 Connect the first Bridge to power and use the Ethernet cable to connect
it to the computer.
2 Use the 3Com Wireless Infrastructure Device Manager to select the
Bridge and launch the Configuration Management System.
3 Under System Configuration, click Wireless Network.
4 In the Wireless Network page:
a Locate the Network Mode field and select Ad-hoc (Peer-to-Peer).
b Specify the Wireless LAN Service Area and the Channel Selection as
described in “Setting Wireless Network Properties” on page 31.
c Set the Data Preamble.
To increase performance, select Short (Enhanced performance). When
equipment that does not support short preamble is also being used,
select Long (Wi-Fi Interoperable). When you are finished, click Apply.
Security settings default to Open System (no security). Optionally, you can
set different WEP settings as described in “Changing Wireless Security
Settings” on page 35.
5 When you are finished, click Apply.
6 End the browser session.
7 Repeat steps 1–6 with the second Bridge. Make sure you configure
Bridge settings to match exactly. When you are finished, click Apply and
end the browser session.
8 Connect the Ethernet devices to the Bridges. If you use hubs, make sure
that the Bridges are connected through the hub uplink ports.