Specify how to interpret packet
"-T type" option tells tcpdump to interpret packet according to type value. The value and meaning of type are like following:
| Value | Meaning |
|---|---|
| aodv | Ad-hoc On-demand Distance Vector protocol |
| carp | Common Address Redundancy Protocol |
| cnfp | Cisco NetFlow protocol |
| lmp | Link Management Protocol |
| pgm | Pragmatic General Multicast |
| pgm_zmtp1 | ZMTP/1.0 inside PGM/EPGM |
| radius | RADIUS |
| resp | REdis Serialization Protocol |
| rpc | Remote Procedure Call |
| rtp | Real-Time Applications protocol |
| rtcp | Real-Time Applications control protocol |
| snmp | Simple Network Management Protocol |
| tftp | Trivial File Transfer Protocol |
| vat | Visual Audio Tool |
| vxlan | Virtual eXtensible Local Area Network |
| wb | distributed White Board |
| zmtp1 | ZeroMQ Message Transport Protocol 1.0 |