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Cisco Bug: CSCsg33562 - ACE: Allow valid SYN-ACK segments in Estab state

Last Modified

Feb 22, 2014

Products (1)

  • Cisco ACE Application Control Engine Module

Known Affected Releases


Description (partial)


TCP session occasionally hangs.


Valid retransmits of SYN-ACK segments by the server are dropped by ACE module. This can happen if client transmits the final ACK of the 3whs and this ACK is seen by the ACE module but is dropped by the network between the ACE and the server.
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