Feature Description
The SMF sets up N3 tunnel to forward downlink packet to the UE for a PDU session when the UE is in the CM-Idle state.
The N3 tunnel profile helps in defining the Forwarding Action Rules (FAR) while moving from active to idle transition state.
The N3 tunnel profile configuration includes:
-
Enabling control plane notification (notify)
-
Enabling packet buffering on UPF (buffer UPF)