Configuring Observer For Wireless Operation - Network Instruments Observer User Manual Addendum

Observer® Software and Wireless LANs

Configuring Observer for Wireless Operation

Once you have installed the wireless NIC and Network Instruments' custom
driver, you will be able to see the wireless Probe in the Probe List. Check the
setup options before you begin capturing packets.
1. Start Observer. If the new wireless card is the only installed NIC in your
system, the wireless Probe will appear in the Probe List under the
Wireless Advanced Probes heading.
If the wireless card is installed along with other NICs, you may have to
Select a Different Network Adapter by choosing that option from the
Tools menu (or by clicking the NIC icon
display the list of available cards. Select the NI Analyzer driver for your
wireless NIC.
2. Once the wireless Probe appears in the Probe list, right click on it and
choose Probe or Device Properties..., which displays the Local Observer
Configuration dialog.
3. Click on the 802.11b tab to display wireless properties:
4. Set the wireless configuration options to match your network.
Note that if your wireless network is configured for WEP, you must
activate WEP and enter the WEP key(s) in the Edit WEP Keys dialog in
Observer.
6
Observer User Manual Addendum (Wireless)
on the toolbar). Observer will