Wireshark · Display Filter Reference: Systems Network Architecture

Field name	Description	Type	Versions
sna.biu_segment_data	BIU segment data	Byte sequence	2.0.0 to 4.4.2
sna.control.05.delay	Channel Delay	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.control.05.ptp	Point-to-point	Boolean	1.0.0 to 4.4.2
sna.control.05.type	Network Address Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.control.0e.type	Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.control.0e.value	Value	Character string	1.0.0 to 4.4.2
sna.control.hprkey	Control Vector HPR Key	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.control.key	Control Vector Key	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.control.len	Control Vector Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.gds	GDS Variable	Label	1.0.0 to 4.4.2
sna.gds.cont	Continuation Flag	Boolean	1.0.0 to 4.4.2
sna.gds.info	Information	Byte sequence	2.0.9 to 2.0.16, 2.2.3 to 4.4.2
sna.gds.len	GDS Variable Length	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.gds.type	Type of Variable	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.nlp.frh	Transmission Priority Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.nhdr	Network Layer Packet Header	Label	1.0.0 to 4.4.2
sna.nlp.nhdr.0	Network Layer Packet Header Byte 0	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.nhdr.1	Network Layer Packet Header Byte 1	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.nhdr.anr	Automatic Network Routing Entry	Byte sequence	1.0.0 to 4.4.2
sna.nlp.nhdr.fra	Function Routing Address Entry	Byte sequence	1.0.0 to 4.4.2
sna.nlp.nhdr.ft	Function Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.nhdr.slowdn1	Slowdown 1	Boolean	1.0.0 to 4.4.2
sna.nlp.nhdr.slowdn2	Slowdown 2	Boolean	1.0.0 to 4.4.2
sna.nlp.nhdr.sm	Switching Mode Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.nhdr.tpf	Transmission Priority Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.nhdr.tspi	Time Sensitive Packet Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr	RTP Transport Header	Label	1.0.0 to 4.4.2
sna.nlp.thdr.8	RTP Transport Packet Header Byte 8	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.9	RTP Transport Packet Header Byte 9	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.bsn	Byte Sequence Number	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.cqfi	Connection Qualifier Field Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.dlf	Data Length Field	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.eomi	End Of Message Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.lmi	Last Message Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.offset	Data Offset/4	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0d.arb	ARB Flow Control	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0d.dedicated	Dedicated RTP Connection	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0d.reliable	Reliable Connection	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0d.target	Target Resource ID Present	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0d.version	Version	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.4	Connection Setup Byte 4	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.abspbeg	ABSP Begin	Unsigned integer (32 bits)	1.0.0 to 1.8.15
sna.nlp.thdr.optional.0e.abspend	ABSP End	Unsigned integer (32 bits)	1.0.0 to 1.8.15
sna.nlp.thdr.optional.0e.echo	Status Acknowledge Number	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.gap	Gap Detected	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.idle	RTP Idle Packet	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.nabsp	Number Of ABSP	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.rseq	Received Sequence Number	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.stat	Status	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0e.sync	Status Report Number	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.0f.bits	Client Bits	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.10.tcid	Transport Connection Identifier	Byte sequence	1.0.0 to 4.4.2
sna.nlp.thdr.optional.12.sense	Sense Data	Byte sequence	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.rr.2	Return Route TG Descriptor Byte 2	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.rr.bfe	BF Entry Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.rr.key	Key	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.rr.len	Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.rr.num	Number Of TG Control Vectors	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.2	Switching Information Byte 2	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.alive	RTP Alive Timer	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.dirsearch	Directory Search Required on Path Switch Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.key	Key	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.len	Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.limitres	Limited Resource Link Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.maxpsize	Maximum Packet Size On Return Path	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.mnpsrscv	MNPS RSCV Retention Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.mobility	Mobility Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.ncescope	NCE Scope Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.refifo	Resequencing (REFIFO) Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.14.si.switch	Path Switch Time	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.2	Adaptive Rate Based Segment Byte 2	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.3	Adaptive Rate Based Segment Byte 3	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.arb	ARB Mode	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.field1	Field 1	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.field2	Field 2	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.field3	Field 3	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.field4	Field 4	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.parity	Parity Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.raa	Rate Adjustment Action	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.raterep	Rate Reply Correlator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.ratereq	Rate Request Correlator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.22.type	Message Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.len	Optional Segment Length/4	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.optional.type	Optional Segment Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.nlp.thdr.osi	Optional Segments Present Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.rasapi	Reply ASAP Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.retryi	Retry Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.setupi	Setup Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.somi	Start Of Message Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.sri	Session Request Indicator	Boolean	1.0.0 to 4.4.2
sna.nlp.thdr.tcid	Transport Connection Identifier	Byte sequence	1.0.0 to 4.4.2
sna.padding	Padding	Byte sequence	2.0.0 to 4.4.2
sna.reserved	Reserved	Byte sequence	2.0.0 to 4.4.2
sna.rh	Request/Response Header	Label	1.0.0 to 4.4.2
sna.rh.0	Request/Response Header Byte 0	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.rh.1	Request/Response Header Byte 1	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.rh.2	Request/Response Header Byte 2	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.rh.bbi	Begin Bracket Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.bci	Begin Chain Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.cdi	Change Direction Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.cebi	Conditional End Bracket Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.csi	Code Selection Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.rh.dr1	Definite Response 1 Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.dr2	Definite Response 2 Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.ebi	End Bracket Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.eci	End Chain Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.edi	Enciphered Data Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.eri	Exception Response Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.fi	Format Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.lcci	Length-Checked Compression Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.pdi	Padded Data Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.pi	Pacing Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.qri	Queued Response Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.rlwi	Request Larger Window Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.rri	Request/Response Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.rti	Response Type Indicator	Boolean	1.0.0 to 4.4.2
sna.rh.ru_category	Request/Response Unit Category	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.rh.sdi	Sense Data Included	Boolean	1.0.0 to 4.4.2
sna.th	Transmission Header	Label	1.0.0 to 4.4.2
sna.th.0	Transmission Header Byte 0	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.byte1	Transmission Header Bytes 1	Unsigned integer (8 bits)	2.0.0 to 4.4.2
sna.th.byte16	Transmission Header Bytes 16	Unsigned integer (8 bits)	2.0.0 to 4.4.2
sna.th.byte2	Transmission Header Bytes 2	Unsigned integer (8 bits)	2.0.0 to 4.4.2
sna.th.byte3	Transmission Header Bytes 3	Unsigned integer (8 bits)	2.0.0 to 4.4.2
sna.th.byte4	Transmission Header Bytes 4-5	Unsigned integer (16 bits)	2.0.0 to 4.4.2
sna.th.byte6	Transmission Header Bytes 6-7	Unsigned integer (16 bits)	2.0.0 to 4.4.2
sna.th.cmd_fmt	Command Format	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.cmd_sn	Command Sequence Number	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.cmd_type	Command Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.daf	Destination Address Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.dcf	Data Count Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.def	Destination Element Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.dsaf	Destination Subarea Address Field	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.th.efi	Expedited Flow Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.er_vr_supp_ind	ER and VR Support Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.ern	Explicit Route Number	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.fid	Format Identifier	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.iern	Initial Explicit Route Number	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.lsid	Local Session Identification	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.mft	MPR FID4 Type	Boolean	1.0.0 to 4.4.2
sna.th.mpf	Mapping Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.nlp_cp	NLP Count or Padding	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.nlpoi	NLP Offset Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.ntwk_prty	Network Priority	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.oaf	Origin Address Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.odai	ODAI Assignment Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.oef	Origin Element Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.osaf	Origin Subarea Address Field	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.th.piubf	PIU Blocking Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.sa	Session Address	Byte sequence	1.0.0 to 4.4.2
sna.th.snai	SNA Indicator	Boolean	1.0.0 to 4.4.2
sna.th.snf	Sequence Number Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.tg_nonfifo_ind	Transmission Group Non-FIFO Indicator	Boolean	1.0.0 to 4.4.2
sna.th.tg_snf	Transmission Group Sequence Number Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.tg_sweep	Transmission Group Sweep	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.tgsf	Transmission Group Segmenting Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.tpf	Transmission Priority Field	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.vr_cwi	Virtual Route Change Window Indicator	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.vr_cwri	Virtual Route Change Window Reply Indicator	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.vr_pac_cnt_ind	Virtual Route Pacing Count Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.vr_rwi	Virtual Route Reset Window Indicator	Boolean	1.0.0 to 4.4.2
sna.th.vr_snf_send	Virtual Route Send Sequence Number Field	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.vr_sqti	Virtual Route Sequence and Type Indicator	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.th.vrn	Virtual Route Number	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.th.vrprq	Virtual Route Pacing Request	Boolean	1.0.0 to 4.4.2
sna.th.vrprs	Virtual Route Pacing Response	Boolean	1.0.0 to 4.4.2
sna.xid	XID	Label	1.0.0 to 1.8.15
sna.xid.0	XID Byte 0	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.format	XID Format	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.id	Node Identification	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.xid.idblock	ID Block	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.xid.idnum	ID Number	Unsigned integer (32 bits)	1.0.0 to 4.4.2
sna.xid.len	XID Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type	XID Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.10	XID Type 3 Byte 10	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.11	XID Type 3 Byte 11	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.12	XID Type 3 Byte 12	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.15	XID Type 3 Byte 15	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.8	Characteristics of XID sender	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.xid.type3.actpu	ACTPU suppression indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.asend_bind	Adaptive BIND pacing support as sender	Boolean	1.0.0 to 4.4.2
sna.xid.type3.asend_recv	Adaptive BIND pacing support as receiver	Boolean	1.0.0 to 4.4.2
sna.xid.type3.branch	Branch Indicator	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.brnn	Option Set 1123 Indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.cp	Control Point Services	Boolean	1.0.0 to 4.4.2
sna.xid.type3.cpchange	CP name change support	Boolean	1.0.0 to 4.4.2
sna.xid.type3.cpcp	CP-CP session support	Boolean	1.0.0 to 4.4.2
sna.xid.type3.dedsvc	Dedicated SVC Indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.dlc	XID DLC	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.dlen	DLC Dependent Section Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.dlur	Dependent LU Requester Indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.dlus	DLUS Served LU Registration Indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.exbn	Extended HPR Border Node	Boolean	1.0.0 to 4.4.2
sna.xid.type3.gener_bind	Whole BIND PIU generated indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.genodai	Generalized ODAI Usage Option	Boolean	1.0.0 to 4.4.2
sna.xid.type3.initself	INIT-SELF support	Boolean	1.0.0 to 4.4.2
sna.xid.type3.negcomp	Negotiation Complete	Boolean	1.0.0 to 4.4.2
sna.xid.type3.negcsup	Negotiation Complete Supported	Boolean	1.0.0 to 4.4.2
sna.xid.type3.nonact	Nonactivation Exchange	Boolean	1.0.0 to 4.4.2
sna.xid.type3.nwnode	Sender is network node	Boolean	1.0.0 to 4.4.2
sna.xid.type3.pacing	Qualifier for adaptive BIND pacing support	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.partg	Parallel TG Support	Boolean	1.0.0 to 4.4.2
sna.xid.type3.pbn	Peripheral Border Node	Boolean	1.0.0 to 4.4.2
sna.xid.type3.pucap	PU Capabilities	Boolean	1.0.0 to 4.4.2
sna.xid.type3.quiesce	Quiesce TG Request	Boolean	1.0.0 to 4.4.2
sna.xid.type3.recve_bind	Whole BIND PIU required indicator	Boolean	1.0.0 to 4.4.2
sna.xid.type3.stand_bind	Stand-Alone BIND Support	Boolean	1.0.0 to 4.4.2
sna.xid.type3.state	XID exchange state indicator	Unsigned integer (16 bits)	1.0.0 to 4.4.2
sna.xid.type3.tg	XID TG	Unsigned integer (8 bits)	1.0.0 to 4.4.2
sna.xid.type3.tgshare	TG Sharing Prohibited Indicator	Boolean	1.0.0 to 4.4.2