[Openswan Users] no acceptable response to our first encrypted message

[shawnlau]

Hi all! I'm come back again for the same error that puzzled me for almost
two weeks.

 

No matter how I change the condigure of ipsec.conf, But always error! Like
below:

 

ipsec auto --up ntn  

104 "ntn" #1: STATE_MAIN_I1: initiate

003 "ntn" #1: received Vendor ID payload [Openswan (this version) 2.6.21 ]

003 "ntn" #1: received Vendor ID payload [Dead Peer Detection]

003 "ntn" #1: received Vendor ID payload [RFC 3947] method set to=109 

106 "ntn" #1: STATE_MAIN_I2: sent MI2, expecting MR2

003 "ntn" #1: NAT-Traversal: Result using RFC 3947 (NAT-Traversal): no NAT
detected

108 "ntn" #1: STATE_MAIN_I3: sent MI3, expecting MR3

003 "ntn" #1: ignoring informational payload, type INVALID_KEY_INFORMATION
msgid=00000000

003 "ntn" #1: received and ignored informational message

003 "ntn" #1: discarding duplicate packet; already STATE_MAIN_I3

010 "ntn" #1: STATE_MAIN_I3: retransmission; will wait 20s for response

003 "ntn" #1: ignoring informational payload, type INVALID_KEY_INFORMATION
msgid=00000000

003 "ntn" #1: received and ignored informational message

003 "ntn" #1: discarding duplicate packet; already STATE_MAIN_I3

010 "ntn" #1: STATE_MAIN_I3: retransmission; will wait 40s for response

003 "ntn" #1: ignoring informational payload, type INVALID_KEY_INFORMATION
msgid=00000000

003 "ntn" #1: received and ignored informational message

031 "ntn" #1: max number of retransmissions (2) reached STATE_MAIN_I3.
Possible authentication failure: no acceptable response to our first
encrypted message

000 "ntn" #1: starting keying attempt 2 of an unlimited number, but
releasing whack

 

It almost make me crazy!

 

Shawn!

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