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Return Routability Return Routability MN HA CN Establish IPsec SA to protect RR signals Establish IPsec SA to protect RR signals Movement (CoA1) Dynamic Keying K-bit=0 Update endpoint address of SA pairs with CoA2 Update endpoint address of SA pairs with CoA2 IKEv1 Phase 1 endpoint address updated IKEv1 Phase 1 endpoint address updated |