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Call Flows for 3G and 4G Mobile IP Users
This chapter provides various call flows for 3G and 4G mobile IP users, and contains the following sections:
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Finding Feature Information
Your software release may not support all the features documented in this module. For the latest caveats and
feature information, see
find information about the features documented in this module, and to see a list of the releases in which each
feature is supported, see the feature information table at the end of this module.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.
3G DHCP Discover Call Flow
In the 3G DHCP Discover authentication method, the DHCP Discover message carries the subscriber's MAC
address that needs to be authenticated. The iWAG cannot handle inbound raw EAP authentication messages
that are not encapsulated inside the RADIUS messages. Therefore, the EAP authentication messages are
signaled with the AAA server without passing through the iWAG, that is, out-of-band authentication from
the iWAG perspective.
OL-30226-03
Finding Feature Information, page 101
3G DHCP Discover Call Flow, page 101
4G DHCP Discover Call Flow, page 108
4G Roaming Call Flow, page 111
Additional References, page 115
Feature Information for Call Flows for 3G and 4G Mobile IP Users, page 116
Bug Search Tool
C H A P T E R
and the release notes for your platform and software release. To
Intelligent Wireless Access Gateway Configuration Guide
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