Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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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.
Defaults
none
Command Modes
EXEC Privilege
Command History
Version
Description
9.14(0.0)
Updated to display IPv6 flow-based mirroring information on the S5048F-ON, S6100–ON, Z9100–ON, S6000, and S6000–ON. Updated to display the shared region between IPv4 QoS and IPv6 ACL entries on the S5048F–ON, S6100–ON, and Z9100–ON.
9.12(1.0)
Introduced on the S5048F–ON.
9.11(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.
9.8(0.0)
Introduced on the S3048-ON and S4048-ON.
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 table describes the output fields of the show cam-usage command.

Table 1. Output fields of the show cam-usage commandOutput fields of the show cam-usage command.
Field Description
Stackunit Number of the stack unit 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
DellEMC#show cam-usage
Stackunit|Portpipe| CAM Partition      | Total CAM | Used CAM |Available CAM
=========|========|====================|===========|==========|==============
0        |   0    |  IN-L2 ACL         |    1024   |     0    |   1024
         |        |  IN-L3 ACL         |    1024   |     1    |   1023
         |        |  IN-L3 FIB         |    163840 |     16   |   163824
         |        |  IN-L3 ECMP GRP    |    1024   |     0    |   1024
         |        |  IN-V6 ACL         |    0      |     0    |   0
         |        |  IN-NLB ACL        |    0      |     0    |   0
         |        |  IPMAC ACL         |    0      |     0    |   0
         |        |  OUT-L2 ACL        |    206    |     9    |   197
         |        |  OUT-L3 ACL        |    102    |     9    |   93
         |        |  OUT-V6 ACL        |    102    |     4    |   98
Example (show cam-usage router)
DellEMC#show cam-usage router
Stackunit|Portpipe| CAM Partition   | Total CAM   |  Used CAM   |Available CAM
========|========|=================|=============|=============|==============
    0   |   0    | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-L3 ECMP GRP  |      1024   |         0    |      1024
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | IN-L3-MIRR ACL  |         0   |         0    |         0
        |        | IN-L3 FIB       |    163840   |        15    |    163825

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