Wireshark · Display Filter Reference: Stateless Transport Tunneling

Field name	Description	Type	Versions
stt.checksum	Checksum	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.checksum.bad	Bad Checksum	Boolean	2.0.0 to 2.0.16
stt.checksum.calculated	Calculated Checksum	Unsigned integer (16 bits)	2.0.0 to 2.0.16
stt.checksum.good	Good Checksum	Boolean	2.0.0 to 2.0.16
stt.checksum.status	Checksum Status	Unsigned integer (8 bits)	2.2.0 to 4.4.2
stt.checksum_bad.expert	Bad checksum	Label	2.0.0 to 4.4.2
stt.context_id	Context ID	Unsigned integer (64 bits)	2.0.0 to 4.4.2
stt.data_offset_bad.expert	TCP Data Offset should be 20 bytes	Label	2.0.0 to 4.4.2
stt.dport	Destination Port	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.flags	Flags	Unsigned integer (8 bits)	2.0.0 to 4.4.2
stt.flags.csum_partial	Checksum partial	Boolean	2.0.0 to 4.4.2
stt.flags.csum_verified	Checksum verified	Boolean	2.0.0 to 4.4.2
stt.flags.ipv4	IPv4 packet	Boolean	2.0.0 to 4.4.2
stt.flags.rsvd	Reserved	Boolean	2.0.0 to 4.4.2
stt.flags.tcp	TCP payload	Boolean	2.0.0 to 4.4.2
stt.l4offset	L4 Offset	Unsigned integer (8 bits)	2.0.0 to 4.4.2
stt.l4offset_bad.expert	Bad L4 Offset	Label	2.0.0 to 4.4.2
stt.mss	Max Segment Size	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.mss_bad.expert	Bad MSS	Label	2.0.0 to 4.4.2
stt.padding	Padding	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.pkt_id	Packet ID	Unsigned integer (32 bits)	2.0.0 to 4.4.2
stt.pkt_len	Packet Length	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.reassembled.length	Reassembled STT length	Unsigned integer (32 bits)	2.0.0 to 4.4.2
stt.reassembled_in	Reassembled PDU in frame	Frame number	2.0.0 to 4.4.2
stt.reserved	Reserved	Unsigned integer (8 bits)	2.0.0 to 4.4.2
stt.seg_off	Segment Offset	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.segment	STT Segment	Frame number	2.0.0 to 4.4.2
stt.segment.count	Segment count	Unsigned integer (32 bits)	2.0.0 to 4.4.2
stt.segment.error	Reassembling error	Frame number	2.0.0 to 4.4.2
stt.segment.multipletails	Multiple tail segments found	Boolean	2.0.0 to 4.4.2
stt.segment.overlap	Segment overlap	Boolean	2.0.0 to 4.4.2
stt.segment.overlap.conflict	Conflicting data in segment overlap	Boolean	2.0.0 to 4.4.2
stt.segment.toolongfragment	Segment too long	Boolean	2.0.0 to 4.4.2
stt.segments	Reassembled STT Segments	Label	2.0.0 to 4.4.2
stt.stream_id	Stream ID	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.tcp	TCP Data	Byte sequence	2.0.0 to 4.4.2
stt.tcp.data_offset	Data Offset	Unsigned integer (8 bits)	2.0.0 to 4.4.2
stt.tcp.flags	Flags	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.tcp.flags.ack	Acknowledgement	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.cwr	Congestion Window Reduced (CWR)	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.ece	ECN-Echo	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.fin	Fin	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.ns	Nonce	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.psh	Push	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.rst	Reset	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.rsvd	Reserved	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.syn	Syn	Boolean	2.0.0 to 4.4.2
stt.tcp.flags.urg	Urgent	Boolean	2.0.0 to 4.4.2
stt.tcp.urg_ptr	Urgent Pointer	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.tcp.window	Window	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.version	Version	Unsigned integer (8 bits)	2.0.0 to 4.4.2
stt.version_unknown.expert	Unknown version	Label	2.0.0 to 4.4.2
stt.vlan	VLAN	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.vlan.id	VLAN ID	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.vlan.pcp	PCP	Unsigned integer (16 bits)	2.0.0 to 4.4.2
stt.vlan.v	V flag	Unsigned integer (16 bits)	2.0.0 to 4.4.2