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- WIRELESS PACKET SNIFFER FOR MAC HOW TO
- WIRELESS PACKET SNIFFER FOR MAC SERIAL
- WIRELESS PACKET SNIFFER FOR MAC MAC
Set ap-sniffer-mgmt-beacon disable set ap-sniffer-mgmt-probe disable set ap-sniffer-mgmt-other disable set ap-sniffer-ctl disable To disable the sniffer profile in the CLI, use the following commands:Ĭonfig wireless-controller wtp-profile edit Bear in mind that if you change the mode from the GUI, you’ll have to return to the CLI to re-enable the Sniffer mode. Once you’ve performed the previous CLI configuration, you’ll be able to see the packet sniffer mode selected in the GUI dashboard under W i F i & Switch Controller > FortiAP Profiles and W i F i & Switch Controller > Managed FortiAPs. Set ap-sniffer-mgmt-probe enable set ap-sniffer-mgmt-other enable set ap-sniffer-ctl enable Set ap-sniffer-addr 00:00:00:00:00:00 set ap-sniffer-mgmt-beacon enable Set ap-sniffer-bufsize 32 set ap-sniffer-chan 1
WIRELESS PACKET SNIFFER FOR MAC MAC
Notice that you can determine the buffer size, which channel to sniff, the AP’s MAC address, and select if you want to sniff the beacons, probes, controls, and data channels.Ĭonfigure wireless-controller wtp-profile edit Sniffer mode provides options to filter for specific traffic to capture.
WIRELESS PACKET SNIFFER FOR MAC HOW TO
The following syntax demonstrates how to set the radio to sniffer mode (configurable from the CLI only). Move the file using the command: mv name /usr/www You can verify the file was moved using the command cd/usr/www and then browsing to: /filename Rather than TFTP the file, you can also log in to the AP and retrive the file via the web interface.The command cp wl_sniff.cap newname.pcap allows you to rename the file.If you want to save it, upload it to a TFTP server before rebooting or changing the radio settings. Remember that the capture file is only stored temporarily.The capture file is stored under the temp directory as w l _ s n i ff.Mode:Monitor Frequency:5.18 GHz Access Point: Not-Associated Set a radio on the FortiAP to monitor mode.You must use two FortiAPs to capture both frequencies at the same time. Packet captures are useful for troubleshooting all wireless client related issues because you can verify data rate and 802.11 parameters, such as radio capabilities, and determine issues with wireless signal strength, interference, or congestion on the network.Ī radio can only capture one frequency at a time one of the radios is set to sniffer mode depending on the traffic or channel required. The second recommended technique consists of sniffing the wireless traffic directly ‘on the air’ using your FortiAP. The following image shows an example of a CAPWAP packet capture, where you can see: the Layer 2 header the sniffed traffic encapsulated into Internet Protocol for transport CAPWAP encapsulated into UDP for sniffer purpose and encapsulated into IP CAPWAP control traffic on UDP port 5246 and CAPWAP payload. Decode the traffic as IP to check inner CAPWAP traffic.
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Run Wireshark on the host/server to capture CAPWAP traffic from the controller. In the above syntax, the ‘2’ captures the control and data message-’1′ would capture only the control message, and ‘0’ would disable it.ģ.
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WTP 0-FortiAP2223X11000107 Sniff: intf port2 enabled (control and data message)
WIRELESS PACKET SNIFFER FOR MAC SERIAL
Choose which traffic to capture, the interface to which the FortiAP is connected, and the FortiAP’s serial number:ĭiagnose wireless-controller wlac sniff 2 Configure the host/server to which CAPWAP traffic is forwarded:ĭiagnose wireless-controller wlac sniff-cfg 88888Ĭurrent Sniff Server: 192.168.25.41, 23352Ģ. You can also set up a host or server to which you can forward the CAPWAP traffic:ġ.
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The data itself is encrypted by the wireless security mechanism.ĭata traffic is helpful to troubleshoot most of the issues related to station association, EAP authentication, WPA key exchange, roaming, and FortiAP configuration. Data traffic on UDP port 5247 is not encrypted.Note that some issues are related to the keep-alive for control and data channel. WTP 0-FortiAP2223X11000107 Plain Control: enabled Enable plain control on the controller and on the FortiAP to capture clear control traffic on UDP port 5246.ĭiagnose wireless-controller wlac plain-ctl 1.The first recommended technique consists of sniffing the CAPWAP traffic. This section describes the following recommended packet sniffing techniques: Capturing the traffic between the controller and the FortiAP can help you identify most FortiAP and client connection issues.