Sudo tcpdump -i en1 -s0 -vvv -y IEEE802_11_RADIO > sniffertrace. If you want to use tcpdump instead then issue the following command:

In Link Layer Header type, pick the '802.11 plus BSD radio Information Header'. Download Wireshark for Windows - Free - 3.6.0 Wireshark for Windows 3.6.0 Download A free tool to monitor and analyze network traffic 1/5 Analyzing network traffic. Go to Capture->Interfaces->Options in Wireshark for the wireless interface. If Wireshark is not installed then go to and download the appropriate release according to your OS x and chipset model. Wireshark is a utility that intercepts packets (messages) that arrive via the network, using dissectors to deconstruct what is within them and displaying them in its user interface (UI). So only use this on a Macbook that will be used for sniffing and not 802.11 association. This will disconnect the Macbook from using its WiFi interface for data access since it will be used as a sniffer.

System/Library/PrivateFrameworks/amework/Resources/airport -z -c 11 ( where '11' is the channel number ) WinXP and Wireshark for wifi hacking Nope, its only password sniffing thru wireless connection tutorial. The following methods allows you to use your Macbook as a sniffer (network analyzer to capture 802.11 frames). There are many tools available for 802.11 sniffing such as our own AP Remote Packet capture, Wireshark, Wildpackets Airopeek, Wildpackets Omnipeek, Cace Technologies Airpcap, Airmagnet WiFi Analyzer, etc.

Use wireshark to monitor wifi