<｜begin▁of▁sentence｜>
### Instruction:
IKE-4-UNKNOWN_EXCHANGE_TYPE
### Response:
(Severity: 4), (Category: SECURITY), (Description: IKE performs actions on messages based on defined exchanges. A message received with an unknown exchange.), (Recommended Action: 'If the problem appears to be more than a transient one, contact the peer's administrator.')
<|EOT|>
