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Sniffer® Portable Professional User's Guide - NetScout

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Chapter 7<br />

146 Sniffer <strong>Portable</strong> <strong>Professional</strong><br />

To add the address of an access point, click Add AP.<br />

A new entry line becomes active in the Known Access<br />

Points in the Network list with the active cursor in the MAC<br />

Address column.<br />

To add the address of a mobile unit, click Add MU.<br />

A new entry line becomes active in the Known Mobile Units<br />

in the Network list with the active cursor in the MAC<br />

Address column.<br />

3 Enter the MAC address of the access point or mobile unit in the<br />

appropriate MAC Address column. You must enter the entire<br />

address in hexadecimal format. The dialog box will not let you enter<br />

an address that is not the proper length and format (twelve<br />

characters, hexadecimal only). If you do not know the full<br />

hexadecimal addresses of the access points in your network, see<br />

Determining a Wireless Unit’s Full Hexadecimal Address on page<br />

147.<br />

4 Once you have entered a legal MAC address, you can also enter an<br />

IP address in the IP Address column. For this release, IP<br />

addresses are for your own reference only. The Expert only<br />

compares MAC addresses when flagging wireless units as<br />

rogues!<br />

5 Repeat Step 2 through Step 4 for each access point or mobile unit<br />

you want to add to the Expert’s list. You can enter as many<br />

addresses as you like.<br />

6 Turn on the Enable Rogue AP Lookup option and/or Enable<br />

Rogue Mobile Unit Lookup option by checking the appropriate<br />

boxes.<br />

7 Click OK in the Expert Properties dialog box.<br />

Once you have enabled the Rogue AP Lookup and/or Enable Rogue<br />

Mobile Unit Lookup option and clicked OK, during subsequent<br />

captures (and openings of trace files), Sniffer <strong>Portable</strong> <strong>Professional</strong> will<br />

compare the MAC addresses of detected access points and mobile units<br />

to those in the corresponding lists. Wireless entities not found in the<br />

appropriate list will be flagged as rogues in both the Host Table and<br />

Expert Summary and Detail displays. In addition, either the Rogue<br />

Access Point or Rogue Mobile Unit alarm will be generated for each<br />

detected rogue. See Rogue Identification in Sniffer <strong>Portable</strong> <strong>Professional</strong><br />

Displays on page 62 for information on how Sniffer <strong>Portable</strong> <strong>Professional</strong><br />

identifies rogues in its various displays.

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