Users Guide

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 3. 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
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 | 0 | 0 | 0
| | IN-L3 ECMP GRP | 1024 | 0 | 1024
| | IN-V6 ACL | 512 | 0 | 512
| | IN-NLB ACL | 0 | 0 | 0
| | IPMAC ACL | 0 | 0 | 0
| | IN-L3-UDFMIRRACL| 0 | 0 | 0
| | IN-L3-MIRR ACL | 0 | 0 | 0
| | IN-V6-MIRR ACL | 256 | 0 | 256
| | OUT-L2 ACL | 206 | 12 | 194
| | OUT-L3 ACL | 132 | 8 | 124
| | OUT-V6 ACL | 132 | 3 | 129
| | IN-L3 QOS | 0 | 0 | 0
| | IN-L3 FIB | 163840 | 23 | 163817
Codes: * - cam usage is above 90%.
Example (show
cam-usage
router)
Dell#show cam-usage router
Stackunit|Portpipe| CAM Partition | Total CAM | Used CAM |Available CAM
========|========|=================|=============|=============|==============
1 | 0 | IN-L3 ACL | 0 | 0 | 0
| | IN-L3 ECMP GRP | 1024 | 0 | 1024
452 Content Addressable Memory (CAM)