EFW IPSEC and Cisco ASA

[Guest]

[mofabio]

Hi,
I configure my IPSEC to connect with a Cisco ASA.
I have an error in the /var/log/messages:

#93: received and ignored informational message
pending Quick Mode with x.x.x.x "Colt" took too long -- replacing phase 1
"Colt" #94: initiating Main Mode to replace #93
#94: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] method set to=106
#94: ignoring Vendor ID payload [FRAGMENTATION c0000000]
#94: enabling possible NAT-traversal with method draft-ietf-ipsec-nat-t-ike-02/03
#94: transition from state STATE_MAIN_I1 to state STATE_MAIN_I2
#94: STATE_MAIN_I2: sent MI2, expecting MR2
#94: ignoring informational payload, type INVALID_COOKIE
#94: received and ignored informational message
#94: ignoring informational payload, type INVALID_COOKIE
#94: received and ignored informational message
#94: max number of retransmissions (2) reached STATE_MAIN_I2
#94: starting keying attempt 2 of an unlimited number
#95: initiating Main Mode to replace #94
#95: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] method set to=106
#95: ignoring Vendor ID payload [FRAGMENTATION c0000000]
#95: enabling possible NAT-traversal with method draft-ietf-ipsec-nat-t-ike-02/03
#95: transition from state STATE_MAIN_I1 to state STATE_MAIN_I2
#95: STATE_MAIN_I2: sent MI2, expecting MR2
#95: ignoring informational payload, type INVALID_COOKIE
#95: received and ignored informational message
#95: ignoring informational payload, type INVALID_COOKIE
#95: received and ignored informational message
pending Quick Mode with x.x.x.x "Colt" took too long -- replacing phase 1

Please could you help me?

Thanks