Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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show cam-usage

View the amount of CAM space available, used, and remaining in each partition (including IPv4 Flow and Layer 2 ACL sub-partitions).

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

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.3.(0.0)
Introduced on the S4810, S4820T, Z9000 and MXL platforms
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 this show command:
Field
Description
StackUnit
The Stack unit number
Portpipe
The hardware path that packets follow through a system for ACL optimization
CAM Partition
Type of area in the CAM block that is used for ACL VLAN groups
Total CAM
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
DellEMC#show cam-usage
Stackunit|Portpipe| CAM Partition   | Total CAM   |  Used CAM   |Available CAM
========|========|=================|=============|=============|==============
    1   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-L3 FIB       |     49152   |         6    |     49146
        |        | 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      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
    2   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-L3 FIB       |     49152   |         6    |     49146
        |        | 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      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
    3   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-L3 FIB       |     49152   |         6    |     49146
        |        | 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      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
Codes: * - cam usage is above 90%.
Example 2: Output of the show cam-usage acl Command
DellEMC#show cam-usage acl
Stackunit|Portpipe| CAM Partition   | Total CAM   |  Used CAM   |Available CAM
========|========|=================|=============|=============|==============
    1   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | OUT-L2 ACL      |       206   |         9    |       197
        |        | OUT-L3 ACL      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
    2   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | OUT-L2 ACL      |       206   |         9    |       197
        |        | OUT-L3 ACL      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
    3   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | OUT-L2 ACL      |       206   |         9    |       197
        |        | OUT-L3 ACL      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
Codes: * - cam usage is above 90%.
Example 3: Output of the show cam-usage router Command
DellEMC#show cam-usage router
Stackunit|Portpipe| CAM Partition   | Total CAM   |  Used CAM   |Available CAM
========|========|=================|=============|=============|==============
    1   |   0    | IN-L3 FIB       |     49152   |         3    |     49149
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | OUT-L3 ACL      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
    2   |   0    | IN-L3 FIB       |     49152   |         3    |     49149
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | OUT-L3 ACL      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
    3   |   0    | IN-L3 FIB       |     49152   |         3    |     49149
        |        | IN-L3 ACL       |      1024   |         1    |      1023
        |        | IN-V6 ACL       |         0   |         0    |         0
        |        | OUT-L3 ACL      |       178   |         9    |       169
        |        | OUT-V6 ACL      |       178   |         4    |       174
Codes: * - cam usage is above 90%.
Example 4: Output of the show cam-usage switch Command
DellEMC#show cam-usage switch
Stackunit|Portpipe| CAM Partition   | Total CAM   |  Used CAM   |Available CAM
========|========|=================|=============|=============|==============
    1   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | OUT-L2 ACL      |       206   |         9    |       197
    2   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | OUT-L2 ACL      |       206   |         9    |       197
    3   |   0    | IN-L2 ACL       |      1536   |         0    |      1536
        |        | OUT-L2 ACL      |       206   |         9    |       197
Codes: * - cam usage is above 90%.

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