Troubleshooting and Diagnostics
371
ProSAFE Wireless Controller
Capture WiFi Packets
You can use the wireless controller packet capture utility to capture WiFi packets in a
network. This capability can be useful for analyzing a WiFi deployment, monitoring a WiFi
network, debugging protocols, determining WiFi network bottlenecks, and, in general,
troubleshooting any irregularities in a WiFi network.
The packet capture utility captures all packets of an access point in the network, irrespective
of their final destinations, and collects the packets in a file. You can specify whether that file
is saved to the access point logs (local capture, see Save and Clear the Logs for an Access
Point on page 265) or to a TFTP server (remote capture).
With local capture, a single file that is limited to a size of 40 MB is saved to the access point
logs. Even if you do not stop the capturing process during local capture, only a single file is
saved. With remote capture, multiple files, each limited to a size of 40 MB, can be saved to a
TFTP server until you stop the capturing process.
Note: Packet capturing is available for the WAC720, WAC730, and WAC740
access points only.
 To collect an access point’s WiFi packets in the network:
1. Open a web browser, and in the browser’s address field, type the wireless controller’s IP
address.
By default, the IP address is 192.168.0.250.
The wireless controller’s login window opens.
2. Enter your user name and password.
3. Click the Login button.
The wireless controller’s web management interface opens and displays the Summary
page.
4. Select Diagnostics > Tools > Packet Capture.
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