Question 236 of 530 from exam 400-251: CCIE Security written exam

Question 236 of 530 from exam 400-251: CCIE Security written exam

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Refer to the exhibit.

A customer has an IPsec tunnel that is configured between two remote offices.

The customer is seeing these syslog messages on Router B: %CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=x, sequence number=y What is the most likely cause of this error?

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