Administrator Guide

Dell(conf-in-qos-policy-cpuqos)#rate-police 500 50 peak 1000 50
Dell(conf-in-qos-policy-cpuqos)#exit
Dell(conf)#class-map match-any class_ospf cpu-qos
Dell(conf-class-map-cpuqos)#match ip access-group ospf
Dell(conf-class-map-cpuqos)#exit
Dell(conf)#class-map match-any class_bgp cpu-qos
Dell(conf-class-map-cpuqos)#match ip access-group bgp
Dell(conf-class-map-cpuqos)#exit
Dell(conf)#class-map match-any class_lacp cpu-qos
Dell(conf-class-map-cpuqos)#match mac access-group lacp
Dell(conf-class-map-cpuqos)#exit
Dell(conf)#class-map match-any class-ipv6-icmp cpu-qos
Dell(conf-class-map-cpuqos)#match ipv6 access-group ipv6-icmp
Dell(conf-class-map-cpuqos)#exit
Dell(conf)#policy-map-input egressFP_rate_policy cpu-qos
Dell(conf-policy-map-in-cpuqos)#class-map class_ospf qos-policy rate_limit_500k
Dell(conf-policy-map-in-cpuqos)#class-map class_bgp qos-policy rate_limit_400k
Dell(conf-policy-map-in-cpuqos)#class-map class_lacp qos-policy rate_limit_200k
Dell(conf-policy-map-in-cpuqos)#class-map class-ipv6 qos-policy rate_limit_200k
Dell(conf-policy-map-in-cpuqos)#exit
Dell(conf)#control-plane-cpuqos
Dell(conf-control-cpuqos)#service-policy rate-limit-protocols egressFP_rate_policy
Dell(conf-control-cpuqos)#exit
Configuring CoPP for CPU Queues
Controlling traffic on the CPU queues does not require ACL rules, but does require QoS policies.
CoPP for CPU queues converts the input rate from kbps to pps, assuming 64 bytes is the average packet size,
and applies that rate to the corresponding queue. Consequently, 1 kbps is roughly equivalent to 2 pps.
The basics for creating a CoPP service policy is to create QoS policies for the desired CPU bound queue and
associate it with a particular rate-limit. The QoS policies are assigned to a control-plane service policy for
each port-pipe.
1 Create a QoS input policy for the router and assign the policing.
CONFIGURATION mode
qos-policy-input name cpu-qos
2 Create an input policy-map to assign the QoS policy to the desired service queues.l.
CONFIGURATION mode
policy-map--input name cpu-qos service-queue 0 qos-policy name
3 Enter Control Plane mode.
CONFIGURATION mode
control-plane-cpuqos
4 Assign a CPU queue-based service policy on the control plane in cpu-qos mode. Enabling this
command sets the queue rates according to those configured.
CONTROL-PLANE mode
Control Plane Policing (CoPP) 272