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

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HRPD Serving Gateway Overview

The UE acknowledges the receipt of the request with a VSNCP-Term-Ack (PDNID=x).

The HSGW begins the tear down of the PMIP session by sending a PBU Deregistration to the P-GW with the following

attributes: Lifetime=0, MNID, APN, HNP. The PBU Deregistration message should contain all the mobility options that

were present in the initial PBU that created the binding.

The P-GW looks up the BCE based on the HNP, deletes the binding, and responds to the HSGW with a Deregistration PBA

with the same attributes (Lifetime=0, MNID, APN, ATT=HRPD, HNP).

The HSGW optionally sends a Router Advertisement (RA) with assigned HNP and prefix lifetime=0.

PDN Connection Release Initiated by P-GW

This section describes the procedure of a session release by the P-GW.

Call/Session Procedure Flows ▀

Cisco ASR 5000 Series Product Overview ▄