1 Answers

msrini-MSIT On

According to RFC 4306, The optional payload IDr enables the initiator to specify which of the responder's identities it wants to talk to. This is useful when the machine on which the responder is running is hosting multiple identities at the same IP address.

Your device expects IDr and Azure Gateway is not sending it. Can you check if you can disable the feature which expects IDr payload?