Chapter 12 Wireless Frame Capture
ZyWALL Series CLI Reference Guide
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CHAPTER 12
Wireless Frame Capture
This chapter shows you how to configure and use wireless frame capture on the Zyxel Device.
12.1 Wireless Frame Capture Overview
Troubleshooting wireless LAN issues has always been a challenge. Wireless sniffer tools like Ethereal can
help capture and decode packets of information, which can then be analyzed for debugging. It works
well for local data traffic, but if your devices are spaced increasingly farther away then it often
becomes correspondingly difficult to attempt remote debugging. Complicated wireless packet
collection is arguably an arduous and perplexing process. The wireless frame capture feature in the
Zyxel Device can help.
This chapter describes the wireless frame capture commands, which allows a network administrator to
capture wireless traffic information and download it to an Ethereal/Tcpdump compatible format
packet file for analysis.
12.2 Wireless Frame Capture Commands
The following table identifies the values required for many of these commands. Other input values are
discussed with the corresponding commands.
Table 40 Input Values for Wireless Frame Capture Commands
LABEL DESCRIPTION
ip_address
The IP address of the Access Point (AP) that you want to monitor. Enter a standard
IPv4 IP address (for example, 192.168.1.2).
mon_dir_size
The total combined size (in kbytes) of all files to be captured. The maximum you
can set is 50 megabtyes (52428800 bytes.)
file_name
The file name prefix for each captured file. The default prefix is monitor while the
default file name is monitor.dump.
You can use 1-31 alphanumeric characters, underscores or dashes but the first
character cannot be a number. This string is case sensitive.
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