Cisco Intelligent Wireless Access Gateway Configuration Manual page 120

4G Roaming Call Flow
In this case, the LMA provides the same IP address to iWAG 2 to enable the mobile node to maintain the
same IP address after roaming. The LMA sends a Proxy Binding Revocation Indication (PBRI) message to
iWAG 1 to delete the binding for the mobile node.
This call flow covers the following:
• Session roaming from iWAG 1 to another iWAG 2
• PMIP tunnel creation between LMA and iWAG 2
• Assigning same IP address to the MN after roaming
• Session termination
Intelligent Wireless Access Gateway Configuration Guide
112
Call Flows for 3G and 4G Mobile IP Users
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