The Inbound Rate Limit Discarded ICMPv6 Packets/sec counter has exceeded a defined threshold. View this counter under IPsec ...

The Inbound Rate Limit Discarded ICMPv6 Packets/sec counter has exceeded a defined threshold. View this counter under IPsec DOS Protection in Performance Monitor.
 This counter specifies the rate at which ICMPv6 packets are received on a public adapter, and discarded because they exceeded the rate limit for ICMPv6 packets per second.