System information

Selected Probe or SNMP Device Properties 261
Wireless 802.11a/b Tab
This tab is available if the currently selected Probe is an 802.11b wireless device.
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,
which is described below in this section.
• “Site Profiles”—allows you to save and retrieve wireless parameters, rather than re-
keying the parameters every time you change sites.
• “Monitor Traffic By”—the method to monitor traffic. The three available methods are
as follows (choose one):
• Channel— Specify a channel to monitor.
• BSSID— Specify the Basic Service Set ID of the Access Point you want to
monitor.
• ESSID—Specify the Extended Service Set ID of the network you want to
monitor.
• Scan Channels—(Only available if you have chosen to monitor by Channel)
Scan the selected channels. To select channels to scan, click Channel Map...
• WEP Encryption—Choose Wireless Equivalency Privacy encryption settings. To use
WEP, check the Use WEP keys to decrypt wireless traffic checkbox and click Edit
WEP Keys... to enter the appropriate encryption keys.
• Antenna to use—the type of antenna connected to your system. Specify one of the
following:
• Antenna Diversity—Use the stronger signal from the two antenna ports. This
is the recommended setting for the standard snap-on antenna.