The VPN-Tagging Server enables IP Availability Manager to correctly represent in its modeled topology certain VRF overlapping IP-address configurations. When the VPN-Tagging Server discovers these configurations, it sends the connection information to IP Availability Manager so that IP Availability Manager can distinguish the overlapping IP addresses in the configurations. Doing so enables IP Availability Manager to create the correct network connections for the configurations.

Creating the correct network connections means that Network Protocol Manager for BGP and Network Protocol Manager for OSPF will import more accurate topology information from IP Availability Manager.