400-101 Exam Dumps | The session status for an IPsec tunnel with IPv6-in-IPv4 is down with the error message IKE message from

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The session status for an IPsec tunnel with IPv6-in-IPv4 is down with the error message IKE message from 10.10.1.1 failed its sanity check or is malformed.
Which statement describes a possible cause of this error?

A. There is a verification failure on the IPsec packet.

B. The SA has expired or has been cleared.

C. The pre-shared keys on the peers are mismatched.

D. There is a failure due to a transform set mismatch.

E. An incorrect packet was sent by an IPsec peer.

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