Cisco Cisco Packet Data Interworking Function (PDIF) Documentation Roadmaps

PDN Gateway Overview

How the PDN Gateway Works ▀

Cisco ASR 5000 Series Product Overview ▄

OL-22937-01

Figure 155. Initial Attach with IPv6/IPv4 Access Call Flow

eAN/ePCF

HSGW (MAG)

Session

Setup

P-GW (LMA)

3GPP AAA

LCP

PPP-EAP (IMSI-NAI)

EAP (IMSI-NAI)

A11

RRP

A11

SUP

A11

SUA

PPP-VSNPC-Conf-Req

PBU

PBA

PPP-VSNPC-Conf-Ack

PPP-VSNPC-Conf-Req (PDNID)

PPP-VSNPC-Conf-Ack (PDNID)

RA (prefix = assigned HNP)

A11 RRQ

(IMSI)