Reference Guide

Create QoS Class Map
FTOS(conf)#class-map match-any class_ospf cpu-qos
FTOS(conf-class-map-cpuqos)#match ip access-group ospf
FTOS(conf-class-map-cpuqos)#exit
FTOS(conf)#class-map match-any class_bgp cpu-qos
FTOS(conf-class-map-cpuqos)#match ip access-group bgp
FTOS(conf-class-map-cpuqos)#exit
FTOS(conf)#class-map match-any class_lacp cpu-qos
FTOS(conf-class-map-cpuqos)#match mac access-group lacp
FTOS(conf-class-map-cpuqos)#exit
FTOS(conf)#class-map match-any class-ipv6-icmp cpu-qos
FTOS(conf-class-map-cpuqos)#match ipv6 access-group ipv6-icmp
FTOS(conf-class-map-cpuqos)#exit
Match QoS Class Map to QoS Policy
FTOS(conf)#policy-map-input egressFP_rate_policy cpu-qos
FTOS(conf-policy-map-in-cpuqos)#class-map class_ospf qos-policy rate_limit_500k
FTOS(conf-policy-map-in-cpuqos)#class-map class_bgp qos-policy rate_limit_400k
FTOS(conf-policy-map-in-cpuqos)#class-map class_lacp qos-policy rate_limit_200k
FTOS(conf-policy-map-in-cpuqos)#class-map class-ipv6 qos-policy rate_limit_200k
FTOS(conf-policy-map-in-cpuqos)#exit
Create Control Plane Service Policy
FTOS(conf)#control-plane-cpuqos
FTOS(conf-control-cpuqos)#service-policy rate-limit-protocols egressFP_rate_policy
FTOS(conf-control-cpuqos)#exit
Configure 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 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.
Step Task Command Syntax Command Mode
1 Create a QoS input policy for the
router and assign the policing.
qos-policy-input name cpu-qos
CONFIGURATION
2 Create an input policy-map to assign
the QoS policy to the desired service
queues.l.
policy-map--input name cpu-qos
service-queue 0 qos-policy name
CONFIGURATION