SonicWALL 3500 User Manual

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  Troubleshooting Diagnostic Tools  
Troubleshooting Diagnostic Tools
SonicOS provides a number of diagnostic tools to help you 
maintain your network and troubleshoot problems. Several 
tools can be accessed on the System > Diagnostics page, 
and others are available on other screens.
This section contains the following subsections:
Using Packet Capture
Packet Capture allows you to capture and examine the 
contents of individual data packets that traverse your 
SonicWALL firewall appliance. The captured packets contain 
both data and addressing information. The System > Packet 
Capture
 page provides a way to configure the capture criteria, 
display settings and file export settings, and displays the 
captured packets. 
The Packet Capture screen has buttons for starting and 
stopping a packet capture. If you simply click Start without any 
configuration, the SonicWALL appliance will capture all packets 
except those for internal communication, and will stop when the 
buffer is full or when you click Stop.