The capture sessions are saved in a PCAP file, an industrial standard for reading, capturing and writing file streams. Don't forget to enable the promiscuous mode to capture all the packets directed to other Mac addresses.
Cocoa Packet Analyzer is compatible with the following protocols: Ethertype ARP, IP (v4/ v6), PPP, PPPoED/S, and 802.1Q VLAN; Linktype, Loopback, and PPP; IP-Protocol IP, TCP, UDP, ICMP, IGMP, and L2TP; PPPoE Discovery and Sessionstages; PPP protocols (IP, LCP, IPCP, CCP, PAP, CHAP) and L2TP, RADIUS, and SIP
Cocoa Packet Analyzer
Cocoa Packet Analyzer is a native Mac OS X implementation of a network protocol analyzer and packet sniffer. CPA supports the industry-standard PCAP packet capture format for reading, capturing and writing packet trace files. Features: Packet capturing (NOT available for the Mac App Store version!). Analyze, display and filter packet trace files. Cocoa Packet Analyzer is a native OS X implementation of a network protocol analyzer and packet sniffer. It uses the industry-standard PCAP packet capture format for reading, capturing and writing packet trace files. Supports the Cocoa bundles technology for creating TCP/IP application layer protocol 'Analyzer PlugIns'. Add no more than one teaspoon of cocoa powder and no more than one teaspoon (or equivalent) of sweetener per 4 oz milk/water. Stir until mixed well. To make two cups (mugs) of hot cocoa in the microwave: 1.) Heat milk. Mix one part cocoa with one part sweetener into the hot milk. Stir until well-mixed.