7.2.12 Delete Indirect Data Forwarding Tunnel Request
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
The Delete Indirect Data Forwarding Tunnel Request message is sent on the S4/S11 interface by the SGSN/MME to the SGW to delete the Indirect Forwarding Tunnels in the Source SGW/Target SGW 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
Table 7.2.12-1: Information Element in Delete Indirect Data Forwarding Tunnel Request
Information elements |
P |
Condition / Comment |
IE Type |
Ins. |
Private Extension |
O |
Vendor or operator specific information |
Private Extension |
VS |