>>> In an IKE_AUTH
>>>    exchange, or in the subsequent INFORMATIONAL exchnage, only the
>>>    following notifications cause the IKE SA to be deleted or not
>>>    created, without a DELETE payload:
>>>    o  UNSUPPORTED_CRITICAL_PAYLOAD
>>>    o  INVALID_SYNTAX
>>>    o  AUTHENTICATION_FAILED
>>>
>>>    Extension documents may define new error notifications with these
>>>    semantics, but MUST NOT use them unless the peer is known to
>>>    understand them.
>>
>> In subsequent INFORMATIONAL exchanges the UNSUPPORTED_CRITICAL_PAYLOAD
>> should not be fatal. It only means that the responder ignored the
>> whole message and replied with UNSUPPORTED_CRITICAL_PAYLOAD. That does
>> not delete IKE SA.
>>
>> For the IKE_AUTH the UNSUPPORTED_CRITICAL_PAYLOAD can delete the IKE
>> SA as IKE SA is not yet ready.
>
>That's what I meant. I will clarify this.
I would not expect INVALID_SYNTAX to cause the IKE SA to be deleted 
either.

Keith Welter
IBM z/OS Communications Server Developer
1-415-545-2694 (T/L: 473-2694)
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