Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.112.1P1 - Page 240
Configuring CoPP for OSPFv3, Displaying CoPP Configuration, Configuring
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unicast packets. This CLI knob to turn off the catch-all route is of use in networks where the user does not want to generate Destination Unreachable messages and have the CPU queue's bandwidth available for higher priority control-plane traffic. Configuring CoPP for OSPFv3 You can create an IPv6 ACL for control-plane traffic policing for OSPFv3, in addition to the CoPP support for VRRPv3, BGPv6, and ICMPv6. You can use the ipv6 access-list name cpu-qos permit ospfv3 or the ipv6 access-list name cpu-qos ospfv3 command to allow CoPP traffic for OSPFv3. The control plane management support for IPv6 ICMPv6 packets is enhanced to enable more number of CPU queues on port to be available and other COPP improvements have been implemented. To configure control-plane policing, perform the following: 1 Create an IPv6 ACL for control-plane traffic policing for ospfv3. CONFIGURATION mode Dell(conf)#ipv6 access-list ospfv3 cpu-qos Dell(conf-ipv6-acl-cpuqos)#permit ospf 2 Create a QoS input policy for the router and assign the policing. CONFIGURATION mode Dell(conf)#qos-policy-input ospfv3_rate cpu-qos Dell(conf-in-qos-policy-cpuqos)#rate-police 1500 16 peak 1500 16 3 Create a QoS class map to differentiate the control-plane traffic and assign to the ACL. CONFIGURATION mode Dell(conf)#class-map match-any ospfv3 cpu-qos Dell(conf-class-map-cpuqos)#match ipv6 access-group ospfv3 4 Create a QoS input policy map to match to the class-map and qos-policy for each desired protocol. CONFIGURATION mode Dell(conf)#policy-map-input ospfv3_policy cpu-qos Dell(conf-policy-map-in-cpuqos)#class-map ospfv3 qos-policy ospfv3_rate 5 Enter Control Plane mode. CONFIGURATION mode Dell(conf)#control-plane-cpuqos 6 Assign the protocol based service policy on the control plane. Enabling this command on a port-pipe automatically enables the ACL and QoS rules created with the cpu-qos keyword. CONTROL-PLANE mode Dell(conf-control-cpuqos)#service-policy rate-limit-protocols ospfv3_policy Displaying CoPP Configuration The CLI provides show commands to display the protocol traffic assigned to each control-plane queue and the current rate-limit applied to each queue. Other show commands display statistical information for trouble shooting CoPP operation. To view the rates for each queue, use the show cpu-queue rate cp command. 240 Control Plane Policing (CoPP)
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