Folks and ( Tim/Nick ) I have Cisco Nexus 9396 L3 switch and running bunch of ACL ( IPv4 Access-list to block certain traffic ) today i was reading about TCAM and when i look at switch i found following utilization, so trying to understand how ACL relationship with TCAM.
- Does number of ACL impact TCAM utilization or traffic ? # show hardware access-list resource utilization slot 1 ======= INSTANCE 0x0 ------------- ACL Hardware Resource Utilization (Mod 1) ---------------------------------------------------------- Used Free Percent Utilization ------------------------------------------------------------------- Ingress IPv4 PACL 3 509 0.59 Ingress IPv4 Port QoS 4 252 1.56 Ingress IPv4 VACL 2 510 0.39 Ingress IPv4 RACL 226 286 44.14 Egress IPv4 VACL 3 509 0.59 Egress IPv4 RACL 3 253 1.17 SUP COPP 205 51 80.08 SUP COPP Reason Code TCAM 6 122 4.69 Redirect 2 510 0.39 SPAN 21 235 8.20 VPC Convergence 1 255 0.39 LOU 2 22 8.33 Both LOU Operands 2 Single LOU Operands 0 LOU L4 src port: 1 LOU L4 dst port: 1 LOU L3 packet len: 0 LOU IP tos: 0 LOU IP dscp: 0 LOU ip precedence: 0 LOU ip TTL: 0 TCP Flags 0 16 0.00 Protocol CAM 2 244 0.81 Mac Etype/Proto CAM 0 14 0.00 L4 op labels, Tcam 0 0 1023 0.00 L4 op labels, Tcam 2 1 62 1.58 L4 op labels, Tcam 6 0 2047 0.00 Ingress Dest info table 0 512 0.00 Egress Dest info table 0 512 0.00 _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/