Administration
Packet Capture
Cisco WAP131 and WAP351 Administration Guide 57
3
In promiscuous mode, the radio receives all traffic on the channel, including
traffic that is not destined to the WAP device. While the radio is operating in
promiscuous mode, it continues serving associated clients. Packets not
destined to the WAP device are not forwarded.
As soon as the capture is completed, the radio reverts to nonpromiscuous
mode operation.
• Radio Client Filter—Enables or disables the WLAN client filter to only
capture the frames that are transmitted to, or received from, a WLAN client
with a specified MAC address.
• Client Filter MAC Address—Specifies the MAC address for WLAN client
filtering. Note that the MAC filter is active only when a capture is performed
on an 802.11 interface.
• Packet Capture Method—Choose one of these options:
- Local File—Captured packets are stored in a file on the WAP device.
- Remote—Captured packets are redirected in real time to an external
computer running the Wireshark tool.
STEP 3 Depending on the selected method, refer to the steps in the Local Packet
Capture or Remote Packet Capture section to continue.
NOTE Changes to the packet capture configuration parameters take affect after the
packet capture is restarted. Modifying the parameters while the packet capture is
running does not affect the current packet capture session. To begin using new
parameter values, an existing packet capture session must be stopped and
restarted.
Local Packet Capture
To initiate a local packet capture:
STEP 1 Select Administration > Packet Capture.
STEP 2 Ensure that Local File is selected for the Packet Capture Method.
STEP 3 Configure these parameters:
• Capture Interface (For WAP131 Only)—Enter a capture interface type for
packet capture:
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