Content Addressable Memory (CAM) | 1478Content Addressable Memory (CAM)OverviewCAM Profile CommandsThe content addressable memory (CAM) profiling feature allows you to partition the CAM to best suityour application. For example:• Configure more Layer 2 forwarding information base (FIB) entries when the system is deployed asa switch.• Configure more Layer 3 FIB entries when the system is deployed as a router.• Configure more access control list (ACLs).• Optimize the virtual local area network (VLAN) ACL group feature, which permits group VLANsfor IP egress ACLs.Important Points to Remember• The Dell Force10 operating software (FTOS) versions 7.8.1.0 and later support CAM allocationson the MXL 10/40GbE Switch IO Module.• The CAM configuration is applied to entire system when you use CONFIGURATION modecommands. You must save the running-configuration to affect the change.• When budgeting your CAM allocations for ACLs and quality of service (QoS) configurations,remember that ACL and QoS rules might consume more than one CAM entry depending oncomplexity. For example, transmission control protocol (TCP) and user datagram protocol (UDP)rules with port range options might require more than one CAM entry.• You MUST save your changes and reboot the system for CAM profiling or allocations to takeeffect.The CAM Profiling commands are:• cam-acl (Configuration)• cam-optimization• show cam-acl• show cam-acl-egressWarning: If you are using these features for the first time, contact Dell Force10Technical Assistance Center (TAC) for guidance. For information on contacting DellForce10 TAC, visit the Dell Force10 website at www.force10networks.com/support
