Under load, the CSM may drop or not respond to Internet Cache Protocol (ICP) keepalives, which results in erroneous slot reloads. ICP keepalives are sent every two seconds and are considered failed if three are missed. ICP keepalives are not user configurabl
Cisco is looking into increasing the frequency or timeout timers to improve the situation. As a workaround, the CSM code can be upgraded to the latest 4.1(7) version so that the keepalive process has a higher Serial Control Protocol (SCP) priority on the CSM.