(SOL49444251) Known IssueThe IPSEC tunnel may fail when excessive Dead Peer Detection (DPD) messages are exchanged.This issue occurs when the following condition is met:Excessive DPD messages are exchanged.ImpactThe BIG-IP system unexpectedly brings down the IPSEC tunnel.SymptomsAs a result of this issue, you may encounter the following symptom:You observe that DPD ACK messages may be dropped when excessive DPD messages are exchanged.ResolutionStatusF5 Product Development has assigned ID 544481 to this issue.
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