Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.100.0 - Page 100
Allocating FP Blocks for VLAN Processes
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| | OUT-L3 ACL | | | OUT-V6 ACL | 3 | 0 | IN-L2 ACL | | | IN-L3 ACL | | | IN-V6 ACL | | | OUT-L2 ACL | | | OUT-L3 ACL | | | OUT-V6 ACL | Codes: * - cam usage is above 90%. 178 | 178 | 1536 | 1024 | 0 | 206 | 178 | 178 | The following output displays CAM space usage for Layer 2 ACLs: 9 | 4 | 0 | 1 | 0 | 9 | 9 | 4 | 169 174 1536 1023 0 197 169 174 Dell#show cam-usage switch Stackunit|Portpipe| CAM Partition | Total CAM | Used CAM |Available CAM 1 | 0 | IN-L2 ACL | 1536 | 0 | 1536 | | OUT-L2 ACL | 206 | 9 | 197 2 | 0 | IN-L2 ACL | 1536 | 0 | 1536 | | OUT-L2 ACL | 206 | 9 | 197 3 | 0 | IN-L2 ACL | 1536 | 0 | 1536 | | OUT-L2 ACL | 206 | 9 | 197 Codes: * - cam usage is above 90%. The following output displays CAM space usage for Layer 3 ACLs: Dell#show cam-usage router Stackunit|Portpipe| CAM Partition | Total CAM | Used CAM |Available CAM 1 | 0 | IN-L3 FIB | 49152 | 3 | 49149 | | IN-L3 ACL | 1024 | 1 | 1023 | | IN-V6 ACL | 0 | 0 | 0 | | OUT-L3 ACL | 178 | 9 | 169 | | OUT-V6 ACL | 178 | 4 | 174 2 | 0 | IN-L3 FIB | 49152 | 3 | 49149 | | IN-L3 ACL | 1024 | 1 | 1023 | | IN-V6 ACL | 0 | 0 | 0 | | OUT-L3 ACL | 178 | 9 | 169 | | OUT-V6 ACL | 178 | 4 | 174 3 | 0 | IN-L3 FIB | 49152 | 3 | 49149 | | IN-L3 ACL | 1024 | 1 | 1023 | | IN-V6 ACL | 0 | 0 | 0 | | OUT-L3 ACL | 178 | 9 | 169 | | OUT-V6 ACL | 178 | 4 | 174 Codes: * - cam usage is above 90%. Allocating FP Blocks for VLAN Processes The VLAN contentaware processor (VCAP) application is a pre-ingress CAP that modifies the VLAN settings before packets are forwarded. To support ACL CAM optimization, the CAM carving feature is enhanced. A total of four VCAP groups are present: two fixed groups and two dynamic groups. Of the two dynamic groups, you can allocate zero, one, or two FP blocks to iSCSI Counters, Open Flow, and ACL Optimization. You can configure only two of these features at a time. • To allocate the number of FP blocks for VLAN open flow operations, use the cam-acl-vlan vlanopenflow command. • To allocate the number of FP blocks for VLAN iSCSI counters, use the cam-acl-vlan vlaniscsi command. • To allocate the number of FP blocks for ACL VLAN optimization, use the cam-acl-vlan vlanaclopt command. To reset the number of FP blocks to the default, use the no version of these commands. By default, zero groups are allocated for the ACL in VCAP. ACL VLAN groups or CAM optimization is not enabled by default. You must also allocate the slices for CAM optimization. To display the number of FP blocks that is allocated for the different VLAN services, use the show cam-acl-vlan command. After you configure the ACL VLAN groups, reboot the system to store the settings in nonvolatile storage. During CAM initialization, the chassis manager reads the NVRAM and allocates the dynamic VCAP regions. 100 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)
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