Support > Technical Assistance > Packet Capture
When requested by Support, use this tab to capture packets for appliances that are selected in the appliance tree.
The following table describes each field on this tab.
|Maximum number of packets||Enter the maximum number of packets to capture.|
|Filter by IP (optional)||Enter the host or IP address to capture from.|
|Filter by port number (optional)||Enter the port to capture from. For example, to capture DNS traffic, enter
|Bytes to capture from each packet (snap length)||Enter the number of bytes (the amount of data) for each frame to capture. For example, enter
NOTE: Configuring a large snap length will result in larger packet capture file sizes.
|Additional filter options||Enter other options to filter the capture. For example,
|Enable circular storage||Select this check box to limit the amount of data to store by setting a maximum number of files and maximum file size for the capture. For example, set the Number of files to
|Number of files||If you enabled circular storage, enter the maximum number of files that can be stored for this packet capture.|
|Max size per file||If you enabled circular storage, enter the maximum file size that can be stored for this packet capture.|
|Command preview||Displays the progress of the packet capture.|
Click Run to initiate the packet capture.
Click Stop to cancel the packet capture.