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GTP Message Type

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GTP Message Type

GTPv1 and GTPv2 have message types and corresponding message values.

Indicates the type of GTP message. GTPv1 messages are defined in 3GPP TS 29.060 release 13.4 and GTPv2 messages are defined in 3GPP TS 29.274.

GTP	Message Value		Message Type
GTP	Decimal	Hexadecimal	Message Type
GTPv1	1	1	Echo Request
	2	2	Echo Response
	3	3	Version Not Supported
	4	4	Node Alive Request
	5	5	Node Alive Response
	6	6	Redirection Request
	7	7	Redirection Response
	16	10	Create PDP Context Request
	17	11	Create PDP Context Response
	18	12	Update PDP Context Request
	19	13	Update PDP Context Response
	20	14	Delete PDP Context Request
	21	15	Delete PDP Context Response
	22	16	Initiate PDP Context Activation Request
	23	17	Initiate PDP Context Activation Response
	26	1A	Error Indication
	27	1B	PDU Notification Request
	28	1C	PDU Notification Response
	29	1D	PDU Notification Reject Request
	30	1E	PDU Notification Reject Response
	31	1F	Supported Extensions Header Notification
	32	20	Send Routing for GPRS Request
	33	21	Send Routing for GPRS Response
	34	22	Failure Report Request
	35	23	Failure Report Response
	36	24	Note MS Present Request
	37	25	Note MS Present Response
	38	26	Identification Request
	39	27	Identification Response
	50	32	SGSN Context Request
	51	33	SGSN Context Response
	52	34	SGSN Context Acknowledge
	53	35	Forward Relocation Request
	54	36	Forward Relocation Response
	55	37	Forward Relocation Complete
	56	38	Relocation Cancel Request
	57	39	Relocation Cancel Response
	58	3A	Forward SRNS Context
	59	3B	Forward Relocation Complete Acknowledge
	60	3C	Forward SRNS Context Acknowledge
	61	3D	UE Registration Request
	62	3E	UE Registration Response
	70	46	RAN Information Relay
	96	60	MBMS Notification Request
	97	61	MBMS Notification Response
	98	62	MBMS Notification Reject Request
	99	63	MBMS Notification Reject Response
	100	64	Create MBMS Notification Request
	101	65	Create MBMS Notification Response
	102	66	Update MBMS Notification Request
	103	67	Update MBMS Notification Response
	104	68	Delete MBMS Notification Request
	105	69	Delete MBMS Notification Response
	112	70	MBMS Registration Request
	113	71	MBMS Registration Response
	114	72	MBMS De-Registration Request
	115	73	MBMS De-Registration Response
	116	74	MBMS Session Start Request
	117	75	MBMS Session Start Response
	118	76	MBMS Session Stop Request
	119	77	MBMS Session Stop Response
	120	78	MBMS Session Update Request
	121	79	MBMS Session Update Response
	128	80	MS Info Change Request
129	81	MS Info Change Response
240	F0	Data Record Transfer Request
241	F1	Data Record Transfer Response
254	FE	End Marker
255	FF	G-PDU
GTPv2	1	1	Echo Request
	2	2	Echo Response
	3	3	Version Not Supported
	32	20	Create Session Request
	33	21	Create Session Response
	34	22	Modify Bearer Request
	35	23	Modify Bearer Response
	36	24	Delete Session Request
	37	25	Delete Session Response
	38	26	Change Notification Request
	39	27	Change Notification Response
	40	28	Remote UE Report Notifications
	41	29	Remote UE Report Acknowledge
	64	40	Modify Bearer Command
	65	41	Modify Bearer Failure
	66	42	Delete Bearer Command
	67	43	Delete Bearer Failure
	68	44	Bearer Resource Command
	69	45	Bearer Resource Failure
	70	46	Downlink Data Notification Failure
	71	47	Trace Session Activation
	72	48	Trace Session Deactivation
	73	49	Stop Paging Indication
	95	5F	Create Bearer Request
	96	60	Create Bearer Response
	97	61	Update Bearer Request
	98	62	Update Bearer Response
	99	63	Delete Bearer Request
	100	64	Delete Bearer Response
	101	65	Delete PDN Request
	102	66	Delete PDN Response
	103	67	PGW Downlink Notification
	104	68	PGW Downlink Acknowledge
	128	80	Identification Request
	129	81	Identification Response
	130	82	Context Request
	131	83	Context Response
	132	84	Context Acknowledge
	133	85	Forward Relocation Request
	134	86	Forward Relocation Response
	135	87	Forward Relocation Notification
	136	88	Forward Relocation Acknowledge
	137	89	Forward Access Notification
	138	8A	Forward Access Acknowledge
	139	8B	Relocation Cancel Request
	140	8C	Relocation Cancel Response
	141	8D	Configuration Transfer Tunnel
	149	95	Detach Notification
	150	96	Detach Acknowledge
	151	97	CS Paging
	152	98	RAN Information Relay
	153	99	Alert MME Notification
	154	9A	Alert MME Acknowledge
	155	9B	UE Activity Notification
	156	9C	UE Activity Acknowledge
	157	9D	ISR Status
	160	A0	Create Forwarding Request
	161	A1	Create Forwarding Response
	162	A2	Suspend Notification
	163	A3	Suspend Acknowledge
	164	A4	Resume Notification
	165	A5	Resume Acknowledge
	166	A6	Create Indirect Data Tunnel Request
	167	A7	Create Indirect Data Tunnel Response
168	A8	Delete Indirect Data Tunnel Request
169	A9	Delete Indirect Data Tunnel Response
170	AA	Release Access Bearers Request
171	AB	Release Access Bearers Response
176	B0	Downlink Data Notification
177	B1	Downlink Data Acknowledge
179	B3	PGW Restart Notification
180	B4	PGW Restart Acknowledge
200	C8	Update PDN Connection Request
201	C9	Update PDN Connection Response
211	D3	Modify Access Bearers Request
212	D4	Modify Access Bearers Response
231	E7	MMBS Session Start Request
232	E8	MMBS Session Start Response
233	E9	MMBS Session Update Request
234	EA	MMBS Session Update Response
235	EB	MMBS Session Stop Request
236	EC	MMBS Session Stop Response
GTPv1-C	1	1	Forward Relocation Request
	2	2	Forward Relocation Response
	3	3	Forward Relocation Complete
	4	4	Forward Relocation Complete Acknowledge
	5	5	SGSN Context Request
	6	6	SGSN Context Response
	7	7	SGSN Context Acknowledge

GTP Cause Values in Logs

Get a Packet Capture of a GTP Event