Version Description7.8.1.0 Introduced on the C-Series.Usage Information The display reflects the settings implemented with the cam-acl command.Exampleshow cam-usageDisplay the amount of memory space used and available in each CAM partition (including Layer 2 ACL, Layer 3 ACL, and IPv4Flow)Syntax show cam-usage [acl | router | switch]Parameters acl (OPTIONAL) Enter the keyword acl to display Layer 2 and Layer 3 ACL CAM usage.router (OPTIONAL) Enter the keyword router to display Layer 3 CAM usage.switch (OPTIONAL) Enter the keyword switch to display Layer 2 CAM usage.Defaults noneCommand Modes EXEC PrivilegeCommand History Version Description9.11(2.0P1) Optimized the ACL filters to support more than 200 egress ACL rules on the S6000,S6000–ON, S6100–ON, Z9100–ON.9.11.0.0 The show cam-usage command is updated to display ECMP count information.9.7(0.0) Introduced on the S6000-ON.9.7(0.0) Introduced on the S4810, S4820T, S6000 and Z9000.Usage Information The following regions must be provided in the show cam-usage output:• L3AclCam• L2AclCam• V6AclCamThe following table describes the output fields of the show cam-usage command.Table 1. Output fields of the show cam-usage commandField DescriptionStackunit Number of the stack unit that contains information onACL VLAN groupsPortpipe The hardware path that packets follow through asystem for ACL optimizationCAM-Region Type of area in the CAM block that is used for ACLVLAN groupsTotal CAM space Total amount of space in the CAM blockUsed CAM Amount of CAM space that is currently in use458 Content Addressable Memory (CAM)