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NXC CLI Reference Guide

CHAPTER 11

Wireless Frame Capture

This chapter shows you how to configure and use wireless frame capture on the NXC.

11.1 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 NXC 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.

11.2 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 42 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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ZyXEL Communications Network Router NOT AVAILABLE Bedienungsanleitung Seite 93