7.2.13 Delete Indirect Data Forwarding Tunnel Response

29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 16Stage 3TS

The Delete Indirect Data Forwarding Tunnel Response message is sent on the S4/S11 interface by the SGW to the SGSN/MME as part of the following procedures:

– S1-based handover

– UTRAN Iu mode to E-UTRAN Inter RAT handover

– GERAN A/Gb mode to E-UTRAN Inter RAT handover

– E-UTRAN to UTRAN Iu mode Inter RAT handover

– E-UTRAN to GERAN A/Gb mode Inter RAT handover

– MME to 3G SGSN combined hard handover and SRNS relocation procedure

– 3G SGSN to MME combined hard handover and SRNS relocation procedure

– Inter RAT handover Cancel

– S1-based handover Cancel

– Optimised Active Handover: E-UTRAN Access to CDMA2000 HRPD Access

– EPS to 5GS handover using N26 interface

– 5GS to EPS handover using N26 interface

– N26 based Handover cancel

Possible Cause values are specified in Table 8.4-1. Message specific cause values are:

– "Request accepted".

– "Request accepted partially"

– "Context not found".

Table 7.2.13-1: Information Element in Delete Indirect Data Forwarding Tunnel Response

Information elements

P

Condition / Comment

IE Type

Ins.

Cause

M

This IE shall indicate if the deletion of indirect tunnel is successful, and if not, gives information on the reason.

Cause

0

Recovery

C

This IE shall be included if contacting the peer for the first time.

Recovery

0

Private Extension

O

Private Extension

VS