Capture packets from an individual AP or from a site. To capture packets from an individual AP, go to
Monitor
>
Devices
>
Access Points
. Select an access point, then select
Troubleshooting
>
Packet
Capture
.
To capture packets associated with a site, go to
Monitor
>
Sites
. Select a site, then select
Troubleshooting
>
Packet Capture
.
Note
Use at least one IP address or MAC address filter when capturing packets from a site.
The packets are logged in a PCAP file. The PCAP file is temporarily stored on the ExtremeCloud
Appliance that is associated with the AP or site. To view the PCAP file, export the file to a host running
Wireshark.
Note
Live Packet Capture is available on AP39xx and AP5xx (Centralized Site) in addition to the
saved file option. After starting Packet Capture, start Wireshark and add the remote interface
using the ExtremeCloud Appliance management IP address. See the Wireshark
documentation for details.
ExtremeCloud Appliance supports up to 10 simultaneous instances of packet capture. The maximum
PCAP file size is 1GB, stored locally on hardware appliances E1120, E2120, and E3120. The virtual
appliance VE6120 supports a 200MB PCAP file. Files can also be stored on a remote SCP server.
Packets can be captured from APs associated with either ExtremeCloud Appliance in an Availability
Pair. Packet capture will continue after failover displaying packet results in one file.
Continuous packet capture is supported on AP39xx and AP5xx (Centralized Site). If an AP must restart
after a capture has started, the capture will continue after the AP restart. If the appliance must restart,
the capture parameters are not preserved.
With AP39xx and AP5xx (Centralized Site), once packet capture has started, you can change the
capture parameters and refresh the capture, continuing to capture without interruption. This feature
allows you to modify parameters as you monitor the capture process. There is one PCAP file for each
packet capture instance.
Supported features depend on the AP model:
•
ExtremeWireless AP39xx and AP5xx (Centralized Site) models:
•
Up to 4 IP filters can be applied
•
Up to 2 MAC filters can be applied
•
Capture wired and wireless packets simultaneously or independently
•
Capture packet refresh is supported
•
Live Packet Capture is supported.
•
ExtremeWireless WiNG and AP5xx (Distributed Site) models:
•
1 IP filter can be applied
•
1 MAC filter can be applied
•
Capture wired and wireless packets independently
•
Packet capture refresh is
not
supported
•
Live Packet Capture is
not
supported.
Monitor
ExtremeCloud Appliance User Guide for version 4.36.03
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