Qos Cam Region Limitation - Dell Force10 S4810P Configuration Manual

• Change to the default profile if downgrading to and FTOS version earlier than 6.3.1.1.
• Use the CONFIGURATION mode commands so that the profile is change throughout the system.
• Use the EXEC Privilege mode commands to match the profile of a component to the profile of the
target system.

QoS CAM Region Limitation

The default CAM profile allocates a partition within the IPv4Flow region to store QoS service policies. If
the QoS CAM space is exceeded, messages similar to the ones in
Message 5 QoS CAM Region Exceeded
%EX2YD:12 %DIFFSERV-2-DSA_QOS_CAM_INSTALL_FAILED: Not enough space in L3
Cam(PolicyQos) for class 2 (Gi 12/20) entries on portpipe 1 for linecard 12
%EX2YD:12 %DIFFSERV-2-
DSA_QOS_CAM_INSTALL_FAILED: Not enough space in L3 Cam(PolicyQos) for class 5 (Gi 12/
22) entries on portpipe 1 for linecard 12
If you exceed the QoS CAM space:
Step Task
Verify that you have configured a CAM profile that allocates 24K entries to the IPv4 system flow region. Refer to
1
View CAM Profiles.
2 Allocate more entries in the IPv4Flow region to QoS. Refer to
FTOS version 7.4.1 introduced the ability to view the actual CAM usage before applying a service-policy.
The command
test cam-usage service-policy
QoS CAM Space.
Note: For troubleshooting other CAM issues, refer to the E-Series Network Operations Guide.
Message 5
Configure IPv4Flow
provides this test framework, refer to
are displayed.
Sub-partitions.
Pre-calculating Available
Content Addressable Memory (CAM) | 291