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