Reference Guide

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.
Command Modes
• EXEC
• EXEC Privilege
Command History
Version Description
9.9(0.0) Introduced on the C9010.
9.5.(0.0) Introduced on the Z9500.
9.3.(0.0) Introduced on the S4810, S4820T, Z9000 and MXL.
Usage Information The following regions must be provided in the show cam-usage output:
• L3AclCam
• L2AclCam
• V6AclCam
The following table describes the output fields of the show cam-usage command.
Table 2. show cam-usage Command Description.
Field Description
LineCard Number of the line card that contains
information on ACL VLAN groups
Portpipe The hardware path that packets follow
through a system for ACL optimization
CAM-Region Type of area in the CAM block that is
used for ACL VLAN groups
Total CAM space Total amount of space in the CAM
block
Used CAM Amount of CAM space that is currently
in use
Available CAM Amount of CAM space that is free and
remaining to be allocated for ACLs
612
Content Addressable Memory (CAM)