A collection of objects providing information for determining the L3 flow switching performance in the switching engine. There may be some platform specific limitations when performing a SET on some of these objects. The following are valid for Catalyst 5000 platforms: - cseFlowEstablishedAgingTime has a default value of 256. - cseFlowFastAgePktThreshold can only be set to 1, 3, 7, 15, 31 or 63 packets. If the packet threshold is not configured to one of these values, it will be adjusted to the closest value. - cseFlowFastAgingTime can be set to only values that are multiples of 8 in the range (0..128). If it is set to a value that is not multiple of 8, then the closest value that is a multiple of 8 will take effect. The default value for fast aging time is 32 seconds. (i.e. less than cseFlowFastAgePktThreshold number of packets were switched within 32 seconds after the an L3 flow entry was established). - cseFlowIPXEstablishedAgingTime has a default value of 256.