Wireshark · Display Filter Reference: DTN TCP Convergence Layer Protocol

Field name	Description	Type	Versions
tcpcl.ack.length	Ack Length	Unsigned integer (64 bits)	1.12.0 to 4.4.2
tcpcl.ack.length.error	Ack Length: Error	Label	1.12.0 to 4.4.2
tcpcl.contact_duplicate	Duplicate Contact Header	Label	4.0.0 to 4.4.2
tcpcl.contact_hdr	Contact Header	Label	4.0.0 to 4.4.2
tcpcl.contact_hdr.flags	Flags	Unsigned integer (8 bits)	1.12.0 to 4.4.2
tcpcl.contact_hdr.flags.ackreq	Bundle Acks Requested	Boolean	1.12.0 to 4.4.2
tcpcl.contact_hdr.flags.fragen	Reactive Fragmentation Enabled	Boolean	1.12.0 to 4.4.2
tcpcl.contact_hdr.flags.nak	Support Negative Acknowledgements	Boolean	1.12.0 to 4.4.2
tcpcl.contact_hdr.keep_alive	Keep Alive	Unsigned integer (16 bits)	1.12.0 to 4.4.2
tcpcl.contact_hdr.local_eid	Local EID	Character string	1.12.0 to 4.4.2
tcpcl.contact_hdr.local_eid_length	Local EID Length	Unsigned integer (64 bits)	1.12.0 to 4.4.2
tcpcl.contact_hdr.magic	Protocol Magic	Byte sequence	1.12.0 to 4.4.2
tcpcl.contact_hdr.related	Related Header	Frame number	4.0.0 to 4.4.2
tcpcl.contact_hdr.version	Version	Unsigned integer (8 bits)	1.12.0 to 4.4.2
tcpcl.contact_missing	Contact Header is missing, TCPCL version is implied	Label	4.4.0 to 4.4.2
tcpcl.data	Segment Data	Byte sequence	4.0.0 to 4.4.2
tcpcl.data.flags.invalid	Invalid TCP CL Data Segment Flags	Label	1.12.0 to 4.4.2
tcpcl.data.length	Segment Length	Unsigned integer (64 bits)	1.12.0 to 4.4.2
tcpcl.data.length.invalid	Invalid Data Length	Label	1.12.0 to 4.4.2
tcpcl.data.proc.end	Segment contains end of Bundle	Boolean	1.12.0 to 4.4.2
tcpcl.data.proc.flag	Data Flags	Unsigned integer (8 bits)	1.12.0 to 4.4.2
tcpcl.data.proc.start	Segment contains start of bundle	Boolean	1.12.0 to 4.4.2
tcpcl.eid_length_invalid	Invalid EID Length	Label	4.2.0 to 4.4.2
tcpcl.invalid_contact_magic	Magic string is invalid	Label	4.0.0 to 4.4.2
tcpcl.invalid_contact_version	Protocol version not handled	Label	4.0.0 to 4.4.2
tcpcl.length_clamped	Length too large for Wireshark to handle	Label	4.2.0 to 4.4.2
tcpcl.mhdr	TCPCLv3 Message	Label	4.0.0 to 4.4.2
tcpcl.mismatch_contact_version	Protocol version mismatch	Label	4.0.0 to 4.4.2
tcpcl.msg.fragment	Message Fragment	Frame number	3.6.0 to 3.6.24
tcpcl.msg.fragment.count	Message fragment count	Unsigned integer (32 bits)	3.6.0 to 3.6.24
tcpcl.msg.fragment.error	Message defragmentation error	Frame number	3.6.0 to 3.6.24
tcpcl.msg.fragment.multiple_tails	Message has multiple tails	Boolean	3.6.0 to 3.6.24
tcpcl.msg.fragment.overlap	Message fragment overlap	Boolean	3.6.0 to 3.6.24
tcpcl.msg.fragment.overlap.conflicts	Message fragment overlapping with conflicting data	Boolean	3.6.0 to 3.6.24
tcpcl.msg.fragment.too_long_fragment	Message fragment too long	Boolean	3.6.0 to 3.6.24
tcpcl.msg.fragments	Message Fragments	Label	3.6.0 to 3.6.24
tcpcl.msg.reassembled.in	Reassembled in	Frame number	3.6.0 to 3.6.24
tcpcl.msg.reassembled.length	Reassembled DTN length	Unsigned integer (32 bits)	3.6.0 to 3.6.24
tcpcl.pkt_type	Message Type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
tcpcl.refuse.reason_code	Reason-Code	Unsigned integer (8 bits)	3.2.0 to 4.4.2
tcpcl.shutdown.delay	Shutdown Reconnection Delay	Unsigned integer (16 bits)	1.12.0 to 4.4.2
tcpcl.shutdown.delay.flag	Shutdown includes Reconnection Delay	Boolean	1.12.0 to 4.4.2
tcpcl.shutdown.flags	TCP Convergence Shutdown Flags	Unsigned integer (8 bits)	1.12.0 to 4.4.2
tcpcl.shutdown.reason	Shutdown Reason Code	Unsigned integer (8 bits)	1.12.0 to 4.4.2
tcpcl.shutdown.reason.flag	Shutdown includes Reason Code	Boolean	1.12.0 to 4.4.2
tcpcl.unknown_message_type	Message type is unknown	Label	4.0.0 to 4.4.2
tcpcl.v4.BundleEID	BundleEID	Character string	4.0.0 to 4.4.2
tcpcl.v4.chdr.flags	Contact Flags	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.chdr.flags.can_tls	CAN_TLS	Boolean	4.0.0 to 4.4.2
tcpcl.v4.extitem_critical	Extension Item is critical	Label	4.0.0 to 4.4.2
tcpcl.v4.mhdr	TCPCLv4 Message	Label	4.0.0 to 4.4.2
tcpcl.v4.mhdr.type	Message Type	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.msg_reject.head	Rejected Type	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.msg_reject.reason	Reason	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.negotiated.keepalive	Negotiated Keepalive Interval	Unsigned integer (16 bits)	4.0.0 to 4.4.2
tcpcl.v4.negotiated.use_tls	Negotiated Use TLS	Boolean	4.0.0 to 4.4.2
tcpcl.v4.ses_term.reason	Reason	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.ses_term.related	Related SESS_TERM	Frame number	4.0.0 to 4.4.2
tcpcl.v4.sess_init.extlist_len	Extension Items Length	Unsigned integer (32 bits)	4.0.0 to 4.4.2
tcpcl.v4.sess_init.keepalive	Keepalive Interval	Unsigned integer (16 bits)	4.0.0 to 4.4.2
tcpcl.v4.sess_init.nodeid_data	Node ID Data (UTF8)	Character string	4.0.0 to 4.4.2
tcpcl.v4.sess_init.nodeid_len	Node ID Length	Unsigned integer (16 bits)	4.0.0 to 4.4.2
tcpcl.v4.sess_init.related	Related SESS_INIT	Frame number	4.0.0 to 4.4.2
tcpcl.v4.sess_init.seg_mru	Segment MRU	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.sess_init.xfer_mru	Transfer MRU	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.sess_init_duplicate	Duplicate SESS_INIT message	Label	4.0.0 to 4.4.2
tcpcl.v4.sess_init_missing	Expected SESS_INIT message first	Label	4.0.0 to 4.4.2
tcpcl.v4.sess_term.flags	Flags	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.sess_term.flags.reply	REPLY	Boolean	4.0.0 to 4.4.2
tcpcl.v4.sess_term_duplicate	Duplicate SESS_TERM message	Label	4.0.0 to 4.4.2
tcpcl.v4.sess_term_reply_flag	Reply SESS_TERM missing flag	Label	4.0.0 to 4.4.2
tcpcl.v4.sessext	Session Extension Item	Protocol	4.0.0 to 4.4.2
tcpcl.v4.sessext.data	Type-Specific Data	Label	4.0.0 to 4.4.2
tcpcl.v4.sessext.flags	Item Flags	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.sessext.flags.critical	CRITICAL	Boolean	4.0.0 to 4.4.2
tcpcl.v4.sessext.len	Item Length	Unsigned integer (32 bits)	4.0.0 to 4.4.2
tcpcl.v4.sessext.type	Item Type	Unsigned integer (16 bits)	4.0.0 to 4.4.2
tcpcl.v4.unknown_message_type	Message type is unknown	Label	4.0.0 to 4.4.2
tcpcl.v4.unknown_sessext_type	Session Extension type is unknown	Label	4.0.0 to 4.4.2
tcpcl.v4.unknown_xferext_type	Transfer Extension type is unknown	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer.total_len	Expected Total Length	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_ack.ack_len	Acknowledged Length	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_ack.related_seg	Related XFER_SEGMENT	Frame number	4.0.0 to 4.4.2
tcpcl.v4.xfer_ack.related_start	Related XFER_SEGMENT start	Frame number	4.0.0 to 4.4.2
tcpcl.v4.xfer_ack.time_diff	Acknowledgment Time	Time offset	4.0.0 to 4.4.2
tcpcl.v4.xfer_ack.time_since_start	Time since transfer Start	Time offset	4.0.0 to 4.4.2
tcpcl.v4.xfer_flags	Transfer Flags	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_flags.end	END	Boolean	4.0.0 to 4.4.2
tcpcl.v4.xfer_flags.start	START	Boolean	4.0.0 to 4.4.2
tcpcl.v4.xfer_id	Transfer ID	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_refuse.reason	Reason	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_refuse.related_seg	Related XFER_SEGMENT	Frame number	4.0.0 to 4.4.2
tcpcl.v4.xfer_refuse_no_transfer	XFER_REFUSE has no related XFER_SEGMENT(s)	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_seg_duplicate_end	Non-last XFER_SEGMENT has END flag	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_seg_duplicate_start	Non-first XFER_SEGMENT has START flag	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_seg_missing_end	Last XFER_SEGMENT is missing END flag	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_seg_missing_start	First XFER_SEGMENT is missing START flag	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_seg_no_relation	XFER_SEGMENT has no related XFER_ACK	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_seg_over_seg_mru	Segment data size larger than peer MRU	Label	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.data	Segment Data	Byte sequence	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.data_len	Segment Length	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.extlist_len	Extension Items Length	Unsigned integer (32 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.related_ack	Related XFER_ACK	Frame number	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.related_start	Related XFER_SEGMENT start	Frame number	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.seen_len	Seen Length	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.time_diff	Acknowledgment Time	Time offset	4.0.0 to 4.4.2
tcpcl.v4.xfer_segment.time_since_start	Time since transfer Start	Time offset	4.0.0 to 4.4.2
tcpcl.v4.xferext	Transfer Extension Item	Protocol	4.0.0 to 4.4.2
tcpcl.v4.xferext.data	Type-Specific Data	Label	4.0.0 to 4.4.2
tcpcl.v4.xferext.flags	Item Flags	Unsigned integer (8 bits)	4.0.0 to 4.4.2
tcpcl.v4.xferext.flags.critical	CRITICAL	Boolean	4.0.0 to 4.4.2
tcpcl.v4.xferext.len	Item Length	Unsigned integer (32 bits)	4.0.0 to 4.4.2
tcpcl.v4.xferext.transfer_length.total_len	Total Length	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.v4.xferext.type	Item Type	Unsigned integer (16 bits)	4.0.0 to 4.4.2
tcpcl.v4.xferload_over_xfer_mru	Transfer larger than peer MRU	Label	4.0.0 to 4.4.2
tcpcl.xfer.fragment	Transfer fragment	Frame number	4.0.0 to 4.4.2
tcpcl.xfer.fragment.count	Transfer fragment count	Unsigned integer (32 bits)	4.0.0 to 4.4.2
tcpcl.xfer.fragment.error	Transfer defragmentation error	Frame number	4.0.0 to 4.4.2
tcpcl.xfer.fragment.multiple_tails	Message has multiple tail fragments	Boolean	4.0.0 to 4.4.2
tcpcl.xfer.fragment.overlap	Transfer fragment overlap	Boolean	4.0.0 to 4.4.2
tcpcl.xfer.fragment.overlap.conflicts	Transfer fragment overlapping with conflicting data	Boolean	4.0.0 to 4.4.2
tcpcl.xfer.fragment.too_long_fragment	Transfer fragment too long	Boolean	4.0.0 to 4.4.2
tcpcl.xfer.fragments	Transfer fragments	Label	4.0.0 to 4.4.2
tcpcl.xfer.reassembled.data	Reassembled data	Byte sequence	4.0.0 to 4.4.2
tcpcl.xfer.reassembled.in	Reassembled in	Frame number	4.0.0 to 4.4.2
tcpcl.xfer.reassembled.length	Reassembled length	Unsigned integer (32 bits)	4.0.0 to 4.4.2
tcpcl.xfer_ack_mismatch_flags	XFER_ACK does not have flags matching XFER_SEGMENT	Label	4.0.0 to 4.4.2
tcpcl.xfer_ack_no_relation	XFER_ACK has no related XFER_SEGMENT	Label	4.0.0 to 4.4.2
tcpcl.xfer_id	Implied Transfer ID	Unsigned integer (64 bits)	4.0.0 to 4.4.2
tcpcl.xfer_mismatch_total_len	Transfer has total length different than the Transfer Length extension	Label	4.0.0 to 4.4.2
tcpcl.xfer_seg_over_total_len	XFER_SEGMENT has accumulated length beyond the Transfer Length extension	Label	4.0.0 to 4.4.2