Cam Optimization; Troubleshoot Cam Profiling; Qos Cam Region Limitation; Syslog Error When The Table Is Full - Dell S6100 Configuration Manual

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Codes: * - cam usage is above 90%.
Dell#

CAM Optimization

When you enable the CAM optimization, if a Policy Map containing classification rules (ACL and/or DSCP/ ip-precedence rules) is applied
to more than one physical interface on the same port-pipe, only a single copy of the policy is written (only one FP entry is used). When you
disable this command, the system behaves as described in this chapter.

Troubleshoot CAM Profiling

The following section describes CAM profiling troubleshooting.

QoS CAM Region Limitation

To store QoS service policies, the default CAM profile allocates a partition within the IPv4Flow region.
If the QoS CAM space is exceeded, a message similar to the following displays.
If you exceed the QoS CAM space, follow these steps.
1 Verify that you have configured a CAM profile that allocates 24 K entries to the IPv4 system flow region.
2 Allocate more entries in the IPv4Flow region to QoS.
Dell Networking OS supports the ability to view the actual CAM usage before applying a service-policy. The test cam-usage
service-policy command provides this test framework. For more information, refer to

Syslog Error When the Table is Full

In the Dell Networking OS, the table full condition is displayed as CAM full only for LPM. But now the LPM is split into two tables. There are
two syslog errors that are displayed:
1 /65 to /128 Table full.
| IN-L2 ACL |
| IN-L3 ACL |
| IN-L3 ECMP GRP |
| IN-V6 ACL |
| IN-NLB ACL |
| IPMAC ACL |
| OUT-L2 ACL |
| OUT-L3 ACL |
| OUT-V6 ACL |
| IN-L3 FIB |
| IN-L2 ACL |
| IN-L3 ACL |
| IN-V6 ACL |
| IN-NLB ACL |
| IPMAC ACL |
| OUT-L2 ACL |
| OUT-L3 ACL |
| OUT-V6 ACL |
| IN-L2 ACL |
| IN-L3 ACL |
| IN-V6 ACL |
| IN-NLB ACL |
| IPMAC ACL |
| OUT-L2 ACL |
| OUT-L3 ACL |
| OUT-V6 ACL |
| IN-L2 ACL |
| IN-L3 ACL |
| IN-V6 ACL |
| IN-NLB ACL |
| IPMAC ACL |
| OUT-L2 ACL |
| OUT-L3 ACL |
| OUT-V6 ACL |
256 | 0
256 | 1
2048 | 0
0 | 0
0 | 0
256 | 0
206 | 12
172 | 8
172 | 3
90112 | 28
256 | 0
256 | 1
0 | 0
0 | 0
256 | 0
206 | 12
172 | 8
172 | 3
256 | 0
256 | 1
0 | 0
0 | 0
256 | 0
206 | 12
172 | 8
172 | 3
256 | 0
256 | 1
0 | 0
0 | 0
256 | 0
206 | 12
172 | 8
172 | 3
| 256
| 255
| 2048
| 0
| 0
| 256
| 194
| 164
| 169
| 90084
| 256
| 255
| 0
| 0
| 256
| 194
| 164
| 169
| 256
| 255
| 0
| 0
| 256
| 194
| 164
| 169
| 256
| 255
| 0
| 0
| 256
| 194
| 164
| 169
Pre-Calculating Available QoS CAM
Content Addressable Memory (CAM)
Space.
235