Chapter 32 Diagnostics
NXC Series User’s Guide
411
32.3.2 Packet Capture Files
Click Maintenance > Diagnostics > Packet Capture > Files to open the packet capture files screen. This
screen lists the files of packet captures stored on the NXC or a connected USB storage device. You can
download the files to your computer where you can study them using a packet analyzer (also known as
a network or protocol analyzer) such as Wireshark.
Figure 249 Maintenance > Diagnostics > Packet Capture > Files
File Suffix Specify text to add to the end of the file name (before the dot and filename extension)
to help you identify the packet capture files. Modifying the file suffix also avoids making
new capture files that overwrite existing files of the same name.
The file name format is “interface name-file suffix.cap”, for example “vlan2-packet-
capture.cap”.
Capture Click this button to have the connected AP capture packets according to the settings
configured in this screen.
You can configure the NXC while a packet capture is in progress although you cannot
modify the packet capture settings.
The NXC’s throughput or performance may be affected while a packet capture is in
progress.
After the AP finishes the capture it saves a separate capture file for each selected
interface. The total number of packet capture files that you can save depends on the
file sizes and the available flash storage space. Once the flash storage space is full,
adding more packet captures will fail.
Stop Click this button to stop a currently running packet capture and generate a separate
capture file for each selected interface.
Table 199 Maintenance > Diagnostics > Packet Capture > Capture on AP (continued)
LABEL DESCRIPTION
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