Software Release 3.5.6.1
CSCsc08063
The SWISS protocol handler on the CAS causes discovery (therefore,
authentication) to fail when the CAS receives certain spurious/malformed
packets from a client.
CSCsc16424
In 3.5.5 and 3.5.6 CAM failover setups, synchronization may not occur
properly in certain situations due to failed communication between the
failover peers.