Reference Guide

Figure 11-2 show an example of the difference between having CoPP implemented and not having
CoPP implemented.
Q7
Q6
Hardware Queue
Rate Limiting
1100 PPS
400 PPS
CPU Software Queue
CoPP Rule
Examples
Per-Protocol
Rate Limiting
OSPF 200 PPS
BGP 100 PPS
STP 100 PPS
ICMP 50 PPS
.
.
.
.
Protocol to Queue Classification
(Ingress Flow Entries)
e
ts
Front End Ports
Q5
Q4
Q3
Q2
Q1
Q0
O
PSF
C
MP
ING
200 PPS
50 PPS
CPU Processes
(OSPF, LACP, STP, ICMP, etc)
O
I
C
P
OSPF, VRRP, RIPv2,
IGMP, PIM, xSTP,
LACP, PVST, GVRP, LLDP
BGP, ICMP Echo, ICMP
Reply, ARP Reply, NTP
L3 Local Traffic
ARP Req, DHCP, Unknown L3,
L2 Broadcast on L3 VLAN,
Broadcast L2 DST on VLAN6095
Stacking, IPC, IRC, VLT
sFlow
MAC Learning Limit
Violation Log, HyperPull
MC Data
BFD
400 PPS
2000 PPS
300 PPS
300 PPS
300 PPS
1300 PPS