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SonicOS Enhanced 4.0 Administrator Guide
CHAPTER 12 
Chapter 12: 
Using SonicWALL Packet Capture
System > Packet Capture
This chapter contains the following sections:
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Packet Capture Overview
This section provides an introduction to the SonicWALL SonicOS Enhanced packet capture 
feature. This section contains the following subsections:
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What is Packet Capture?
Packet capture is a mechanism that 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 captured addressing information from the 
packet header includes the following:
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Interface identification
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MAC addresses
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Ethernet type
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Internet Protocol (IP) type
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Source and destination IP addresses
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Port numbers
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L2TP payload details