The requirements specified in
clause 5.2.2.3.1 shall apply with the following modifications.
Step 1.
Same as step 1 of
Figure 5.2.2.3.1-1, with the following modifications.
The POST request shall contain:
-
the release IE set to true;
-
the cause IE set to REL_DUE_TO_SLICE_NOT_AUTHORIZED.
The NF Service Consumer (e.g. AMF) shall request the SMF to forward buffered DL data towards the EPS during a 5GS to EPS Idle mode mobility using N26 interface with data forwarding (see
clause 4.11.1.3.2A of TS 23.502), as follows.
Step 1.
The NF Service Consumer shall send a POST request, as specified in
clause 5.2.2.3.1, with the following information:
-
forwardingFTeid received from the MME in the Context Acknowdge, if any; or
-
forwarding bearer contexts received from the MME in Context Acknowdge, if any.
Step 2a.
Upon receipt of such a request, the SMF shall forward the buffered DL data on the forwarding tunnel(s).
Step 2b.
If the SMF cannot proceed with the request, the SMF shall return an error response, as specified for step 2b of
Figure 5.2.2.3.1-1.
The requirements specified in
clause 5.2.2.3.1 shall apply with the following modifications.
Step 1.
Same as step 1 of
Figure 5.2.2.3.1-1, with the following modifications.
The POST request shall contain:
-
the release IE set to true;
-
the cause IE set to REL_DUE_TO_CP_ONLY_NOT_APPLICABLE.
The requirements specified in
clause 5.2.2.3.1 shall apply with the following modifications.
Step 1.
Same as step 1 of
Figure 5.2.2.3.1-1, with the following modifications.
The POST request shall contain:
-
the release IE set to true;
-
the cause IE set to REL_DUE_TO_SUBSCRIPTION_CHANGE.
During simultaneous change of Branching Points or UL CLs controlled by different I-SMFs, the NF Service Consumer (e.g. target I-SMF) shall use this procedure to exchange N9 forwarding tunnel information with the NF Service Producer (e.g. source I-SMF).
The NF Service Consumer (e.g. target I-SMF) shall request the source I-SMF to establish one downlink and/or one uplink N9 data forwarding tunnels, as follows.
The requirements specified in
clause 5.2.2.3.1 shall apply with the following modifications.
Step 1.
Same as step 1 of
Figure 5.2.2.3.1-1, with the following modifications.
The POST request shall contain:
-
the n1SmMsg IE containing the Remote UE Report NAS Message.
For Home-Routed PDU Session or PDU session with I-SMF, the V-SMF or I-SMF shall invoke the Update service operation on the (H-)SMF, as specified in
clause 5.2.2.8.2.24.
Step 2.
Same as step 2 of
Figure 5.2.2.3.1-1, with the following modifications.
The POST response shall contain:
-
the n1SmMsg IE containing the Remote UE Report Response NAS Message.