Administrator Guide

Version Description
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the C-Series.
Usage Information The display reflects the settings implemented with the cam-acl command.
Example
show cam-usage
Display 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.
Command Modes
EXEC
EXEC Privilege
Command History
Version Description
9.11.0.0 The show cam-usage command is updated to display ECMP group count information.
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. Output fields of the show cam-usage command
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
Example 1: Output
of the show cam-
usage Command
Stackunit|Portpipe| CAM Partition | Total CAM | Used CAM |Available
CAM
========|========|=================|=============|=============|
==============
1 | 0 | IN-L2 ACL | 1008 | 320 | 688
Content Addressable Memory (CAM) 477