Pdn Connection Release Initiated By Ue - Cisco ASR 5000 series Product Overview

PDN Gateway Overview
Figure 137. PMIPv6 Lifetime Extension (without handover) Call Flow
UE
Table 73.
Step Description
1 The UE is attached to the EPC and has a PDN connection with the P-GW where PDNID=x and an APN with assigned
HNP.
2 The HSGW MAG service registration lifetime nears expiration and triggers a renewal request for the LMA.
3 The MAG service sends a Proxy Binding Update (PBU) to the P-GW LMA service with the following attributes: Lifetime,
MNID, APN, ATT=HRPD, HNP.
4 The P-GW LMA service updates the Binding Cache Entry (BCE) with the new granted lifetime.
5 The P-GW responds with a Proxy Binding Acknowledgement (PBA) with the following attributes: Lifetime, MNID, APN.

PDN Connection Release Initiated by UE

This section describes the procedure of a session release by the UE.
OL-22938-02
eAN/ePCF
Attached
1
2
PMIPv6 Lifetime Extension (without handover) Call Flow Description
HSGW (MAG)
Lifetime refresh trigger
PBU
3
PBA
How the PDN Gateway Works ▀
P-GW (LMA)
New lifetime
4
5
Cisco ASR 5000 Series Product Overview ▄