Cisco Cisco WAP131 Wireless-N Dual Radio Access Point with PoE Wartungshandbuch
Administration
Packet Capture
Cisco WAP131 and WAP351 Administration Guide
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Packet Capture
The wireless packet capture feature enables capturing and storing the packets
received and transmitted by the WAP device. The captured packets can then be
analyzed by a network protocol analyzer for troubleshooting or performance
optimization.
received and transmitted by the WAP device. The captured packets can then be
analyzed by a network protocol analyzer for troubleshooting or performance
optimization.
There are two methods of packet capture:
•
Local capture method— Captured packets are stored in a file on the WAP
device. The WAP device can transfer the file to a TFTP server. The file is
formatted in pcap format and can be examined using tools such as
Wireshark and OmniPeek.
device. The WAP device can transfer the file to a TFTP server. The file is
formatted in pcap format and can be examined using tools such as
Wireshark and OmniPeek.
•
Remote capture method—Captured packets are redirected in real time to
an external computer running the Wireshark tool.
an external computer running the Wireshark tool.
The WAP device can capture these types of packets:
•
802.11 packets received and transmitted on the radio interfaces. Packets
captured on the radio interfaces include the 802.11 header.
captured on the radio interfaces include the 802.11 header.
•
802.3 packets received and transmitted on the Ethernet interface.
•
802.3 packets received and transmitted on the internal logical interfaces,
such as VAPs and WDS interfaces.
such as VAPs and WDS interfaces.
Use the Packet Capture page to configure the packet capture parameters, start a
local or remote packet capture, view the current packet capture status, and
download a packet capture file.
local or remote packet capture, view the current packet capture status, and
download a packet capture file.
Packet Capture Configuration
To configure packet capture settings:
STEP 1
Select Administration > Packet Capture.
STEP 2
In the Packet Capture Configuration area, configure these parameters:
•
Capture Beacons—Enables or disables the capturing of 802.11 beacons
detected or transmitted by the radio.
detected or transmitted by the radio.
•
Promiscuous Capture—Enables or disables the promiscuous mode when
the capture is active.
the capture is active.