Cisco Intelligent Wireless Access Gateway User Manual

4
After successful authentication, the mobile node sends a DHCP DISCOVER message to the iWAG. The
iWAG creates a session and sends Access Request message to the AAA server for user authorization.
5
After being authorized, the iWAG obtains the mobile node’s profile parameters, such as LMA, LMA
address, APN, and service type (IPv4, IPv6, or dual).
6
The iWAG triggers PMIPv6 signaling by sending a PBU message to the LMA based on the mobile node’s
profile obtained from the AAA server.
7
The LMA creates session binding, indicating the corresponding iWAG and IP address for the mobile node.
8
The LMA acknowledges by sending a PBA message containing the mobile node’s IP address, network
mask, and gateway address to the corresponding iWAG.
9
Now, a bidirectional PMIPv6 tunnel is set up between the iWAG and the LMA.
10
The iWAG offers an IP address to the mobile node through a DHCP OFFER message.
11
The mobile node accepts the IP address by sending a DHCP Request.
12
The iWAG, which also hosts the DHCP server, acknowledges the mobile node’s request by sending a
DHCP ACK message.
13
The iWAG finally creates a DHCP binding.
14
The mobile node configures the IP address that was offered on its wireless interface.
15
The mobile node seamlessly exchanges data traffic with the correspondent node.
4G DHCP Discover Call Flow Configuration
The following is a 4G DHCP session initiator configuration:
#----------------------------------------------
LMA (ASR 5000)
#----------------------------------------------
context pgw
ip pool PMIP_POOL_TME 10.8.20.0 255.255.255.0 public 0 subscriber-gw-address 16.8.20.254
ipv6 address 2001:DB8::1/64
ip address 10.8.24.101 255.255.255.0 secondary
subscriber default
exit
apn example.com
pdp-type ipv4 ipv6
selection-mode sent-by-ms
accounting-mode none
ip context-name pgw
ip address pool name PMIP_POOL_TME
ipv6 address prefix-pool v6_pool
dns primary 198.0.100.250
exit
lma-service lma1
no aaa accounting
reg-lifetime 40000
timestamp-replay-protection tolerance 0
mobility-option-type-value standard
revocation enable
bind address 2001:DB8:0:1::1
pgw-service pgw1
plmn id mcc 100 mnc 200
session-delete-delay timeout 60000
associate lma-service lma1
Intelligent Wireless Access Gateway Configuration Guide
110 OL-30226-03
Call Flows for 3G and 4G Mobile IP Users
4G DHCP Discover Call Flow Configuration

Cisco Intelligent Wireless Access Gateway Specifications

General

Brand	Cisco
Model	Intelligent Wireless Access Gateway
Category	Gateway
Language	English