Cisco ASR 5000 Series Administration Manual page 48

▀ Call/Session Procedure Flows
Figure 6. Initial Attach with IPv6/IPv4 Access Call Flow
UE eAN/ePCF
Session
1
Setup
LCP
3a
PPP-EAP (IMSI-NAI)
3b
PPP-VSNPC-Conf-Req
5a
PPP-VSNPC-Conf-Ack
PPP-VSNPC-Conf-Req (PDNID)
PPP-VSNPC-Conf-Ack (PDNID)
5f
6
RA (prefix = assigned HNP)
▄ Cisco ASR 5000 Series HRPD Serving Gateway Administration Guide
HSGW (MAG)
A11 RRQ
2a
(IMSI)
A11
2b
RRP
A11
4a
SUP
A11
4b
SUA
5d
5e
RS
7
P-GW (LMA)
EAP (IMSI-NAI)
3c
PBU
5b
PBA
5c
HRPD Serving Gateway Overview
3GPP AAA
OL-22984-01