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Dell EMC Networking OS Configuration Guide for the S5048F–ON System 9.14.2.8

Allocating ACL VLAN CAM

CAM optimization for ACL VLAN groups is not enabled by default. You must allocate blocks of ACL VLAN CAM to enable ACL CAM optimization by using the cam-acl-vlan command.

By default, 0 blocks of CAM are allocated for VLAN services in the VLAN Content Aware Processor (VCAP), an application that modifies VLAN settings before forwarding packets on member interfaces. The cam-acl-vlan {vlanaclopt | vlaniscsi | vlanopenflow} command allows you to allocate filter processor (FP) blocks of memory for ACL VLAN services: iSCSI counters, Open Flow, and ACL VLAN optimizationOpen Flow and ACL VLAN optimization.

You can configure CAM allocation for only two of these VLAN services at a time. You can allocate from 0 to 2 FP blocks for each VLAN service.

To allocate the number of FP blocks for ACL VLAN optimization, enter the cam-acl-vlan vlanaclopt <0-2> command. After you configure ACL VLAN CAM, reboot the switch to enable CAM allocation for ACL VLAN optimization.

To display the number of FP blocks currently allocated to different ACL VLAN services, enter the show cam-acl-vlan command.

To display the amount of CAM space currently used and available for Layer 2 and Layer 3 ACLs on the switch, enter the show cam-usage command.


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