Revision history details are not provided for features introduced before releases 21.2 and N5.5.
The IKEv2 Mobility and Multi-homing protocol (MOBIKE) is supported on ePDG/IPSec as defined in RFC 4555. MOBIKE allows the IP addresses associated with IKEv2 and tunnel mode IPSec Security Associations (SA) to change. This enables peer hosts to change its point of network attachment and use different interfaces without removing the existing IPSec tunnel.
MOBIKE feature is supported only on ASR 5500 and Ultra Services platforms.