Wireshark · Display Filter Reference: OSI

Field name	Description	Type	Versions
osi.nlpid	Network Layer Protocol Identifier	Unsigned integer (8 bits)	2.0.0 to 4.4.2
osi.options.address_mask	Address Mask	Byte sequence	1.12.0 to 4.4.2
osi.options.esct	ESCT (seconds)	Unsigned integer (16 bits)	1.12.0 to 4.4.2
osi.options.last_hop	Last Hop	Unsigned integer (8 bits)	2.0.0 to 4.4.2
osi.options.none	No Options for this PDU	Label	2.0.0 to 4.4.2
osi.options.padding	Padding	Byte sequence	1.12.0 to 4.4.2
osi.options.priority	Priority	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.qos.cong_exped	Congestion experienced	Boolean	1.12.0 to 4.4.2
osi.options.qos.maintenance	Quality of service maintenance	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.qos.reserror_cost	Residual error probability versus cost	Boolean	1.12.0 to 4.4.2
osi.options.qos.reserror_trs	Residual error probability versus transit delay	Boolean	1.12.0 to 4.4.2
osi.options.qos.reserved	Reserved	Boolean	1.12.0 to 4.4.2
osi.options.qos.seq_vs_trs	Sequencing versus transit delay	Boolean	1.12.0 to 4.4.2
osi.options.qos.tsd_vs_cost	Transit delay versus cost	Boolean	1.12.0 to 4.4.2
osi.options.rfd.error_class	Error Class	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rfd.error_class.unknown	UNKNOWN Error Class	Label	2.0.0 to 4.4.2
osi.options.rfd.field	Field	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.route	Route	Character string	2.0.0 to 4.4.2
osi.options.route_recording	Route Recording	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rtd_address	Reason for discard {Address}	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rtd_general	Reason for discard {General}	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rtd_lifetime	Reason for discard {Lifetime}	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rtd_pdu_discarded	Reason for discard {PDU discarded}	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rtd_reassembly	Reason for discard {Reassembly}	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.rtd_source_routing	Reason for discard {Source Routing}	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.security_type	Security type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
osi.options.snpa_mask	SNPA Mask	OSI System-ID	1.12.0 to 4.4.2
osi.options.source_routing	Source Routing	Unsigned integer (8 bits)	1.12.0 to 4.4.2