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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.
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
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
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 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
|
| IN-L2 FIB | 32768 | 1132 | 31636
|
| IN-L3 ACL | 12288 | 2 | 12286
|
| IN-L3 ECMP GRP | 262144 | 0 | 262144
|
| IN-L3 FIB | 262141 | 14 | 262127
|
| IN-L3-SysFlow | 2878 | 45 | 2833
|
| IN-L3-TrcList | 1024 | 0 | 1024
|
| IN-L3-McastFib | 9215 | 0 | 9215
|
| IN-L3-Qos | 8192 | 0 | 8192
|
Access Control Lists (ACL) 205