Dell S4048T Configuration Manual page 280

If you exceed the QoS CAM space, follow these steps.
1 Verify that you have configured a CAM profile that allocates 24 K entries to the IPv4 system flow region.
2 Allocate more entries in the IPv4Flow region to QoS.
Dell Networking OS supports the ability to view the actual CAM usage before applying a service-policy. The
test cam-usage service-policy command provides this test framework. For more information, refer to
Pre-Calculating Available QoS CAM Space.
Content Addressable Memory (CAM) 280