User's Guide

Devices
177
7.
Enter a suitable prefix for the file name in Filename Prefix. This helps you identify the
troubleshooting files when you download the packet history.
8.
Specify the time-out interval in Timeout. The default time-out for packet level troubleshooting mode is
5 minutes. Minimum allowed value is 1 minute and maximum is 720 minutes for the time-out.
9.
Select the packet type. If you want to capture all packets, select the All option. If you want to capture
only specific packet types, select the filter option and then select the required data frames and/or
management frames to capture while troubleshooting.
10.
In the Protocol and Channel Selection section, select the protocols and channel for which you want
to troubleshoot. If you want to select a single channel, select the Select Channel option and specify
the channel number and Width (channel offset). By default, the protocol and channels are displayed
based on the device template applied to the troubleshooting sensor. You can select a different
protocol and/or channel, if required. Alternatively, you can select the Rotate on all Channels option,
to troubleshoot on all available channels.
11.
Click Start Troubleshooting to start the troubleshooting. The sensor is enabled to capture live
packets.
Stop Troubleshooting
A troubleshooting session automatically times out or terminates after the specified timeout irrespective of
the activity. You can manually terminate a troubleshooting session.
To stop an active troubleshooting session manually, do the following.
1.
Click the Notifications icon at the top right corner. The active troubleshooting sessions are displayed
along with other notifications, if any.
2.
Click the notification for active troubleshooting sessions. A list of sensor troubleshooting sessions is
displayed.
3.
Select the check box for the troubleshooting session to terminate.
4. Click Stop. The troubleshooting session is terminated and a message indicating the termination of
the troubleshooting session is displayed. If the Upload to Server option has been selected as
Streaming option under Troubleshooting Mode, the packet trace history is uploaded to the AirTight
server.
Download Packet Capture
AirTight server maintains a packet capture history for the troubleshooting instances for a period of 30
minutes, after you stop troubleshooting.
You can download this history and save them for future reference. The packet traces are available in
.pcap format.
To download a packet trace file, do the following.
1.
Select the required location from the location tree.
2. Click Devices.
3. Select the AirTight Devices tab.
4. Click the More>Previous Packet Captures option on the tool bar.The Packet Capture dialog box
appears. The list of files is displayed with the file name, file size in KB, troubleshooting start time and
troubleshooting stop time.
5.
Click the Download link for the packet trace to download and select the path to store the packet
trace. The packet trace file is saved to the specified location.
If you are an AirTight Cloud Services user, and wish to upload the packet capture file to WizShark from
AirTight Management Console, click the View in WizShark link. The file is directly uploaded to WizShark