Инструкция для ZYXEL NWA3550-N

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Chapter 18 Diagnostics

NWA3000-N Series User’s Guide

256

18.3.1 Packet Capture Files

Click

Maintenance > Diagnostics > Packet Capture > Files

to open the

packet capture files screen. This screen lists the files of packet captures the
NWA3000-N series AP has performed. You can download the files to your

File Size

Specify a maximum size limit in kilobytes for the total combined
size of all the capture files on the NWA3000-N series AP, including
any existing capture files and any new capture files you generate.

Note: If you have existing capture files you may need to set

this size larger or delete existing capture files.

The valid range is 1 to 10000. The NWA3000-N series AP stops the
capture and generates the capture file when either the file reaches
this size or the time period specified in the

Duration

field expires.

Duration

Set a time limit in seconds for the capture. The NWA3000-N series
AP stops the capture and generates the capture file when either
this period of time has passed or the file reaches the size specified
in the

File Size

field. 0 means there is no time limit.

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 “lan-packet-capture.cap”.

Number Of Bytes To
Capture (Per Packet)

Specify the maximum number of bytes to capture per packet. The
NWA3000-N series AP automatically truncates packets that exceed
this size. As a result, when you view the packet capture files in a
packet analyzer, the actual size of the packets may be larger than
the size of captured packets.

Capture

Click this button to have the NWA3000-N series AP capture packets
according to the settings configured in this screen.

You can configure the NWA3000-N series AP while a packet capture
is in progress although you cannot modify the packet capture
settings.

The NWA3000-N series AP’s throughput or performance may be
affected while a packet capture is in progress.

After the NWA3000-N series 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.

Reset

Click this button to return the screen to its last-saved settings.

Table 92

Maintenance > Diagnostics > Packet Capture (continued)

LABEL

DESCRIPTION