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Typical Message Flow UE/DHCP Client NAS/DHCP relay AAA DHC Server | 1. access auth-req | | | |---------------------->| 2.auth-req | | | |--------------------->| | | | 3.auth-rep [HA, HoA] | | | 4.access auth-rep |<---------------------| | |<----------------------| | | | | | | | 5.Store [HA, HoA] | | | | | | | 6.DHC Request | | | |---------------------->| | | | | 7.RELAY-FORW | | | |------------------------------->| | | 8.RELAY-REPL | | | |<-------------------------------| | | | | | 9.DHC Reply [HA, HoA]| | | |<---------------------------| | | |