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Queue-based Control Plane Policing
When configuring a queue-based CoPP policy, take into account that there are twenty-four CP queues
divided into groups of eight queues for the Route Processor, Control Processor, and line-card CPUs:
• Queues 0 to 7 process packets destined to the Control Processor CPU .
• Queues 8 to 15 process packets destined to the Route Processor CPU.
• Queues 16 to 23 process packets destined to the line-card CPU.
The protocols mapped to each CPU queue and the default rate limit applied to the eight CPU queues for
the Route Processor, Control Processor, and line cards are as follows:
CPU Queue Protocols Mapped to Control Processor Queues Rate Limit (in kbps)
0 TTL0, IP options, L3 Broadcast MAC destination address 1000
1 L3 MTU Fail 200
2 ARP request, NS, RS 1800
3 ARP reply, NA, RA 1800
4 FTP, Telnet, SSH, Local terminated, NTP, VLT IPM PDU, VLT
ARPM
2800
5 ICMPv6 300
6 ICMP 300
7 DHCP, LLDP, FEFD, 8021x 3200
CPU Queue Protocols Mapped to Route Processor Queues Rate Limit (in kbps)
8 Unknown L3, L3 with Broadcast MAC destination address 400
9 PIM DR, Multicast Catch All, iSCSI, IPv6 Multicast Catch All,
IPv6 Multicast tunnels
400
10 ARP request, NS, RS 1800
11 ARP reply, NA, RA 1800
12 VLT 2000
13 BFD 5200
14 PVST, GVRP, FCoE, OpenFlow, IGMP, PIM, MLD, MSDP 1850
15 STP, L2PT, LACP, ECFM, BGP, RIP, OSPF, IS-IS, VRRP 12450
CPU Queue Protocols Mapped to Line-Card CPU Queues Rate Limit (in kbps)
16 — 1
17 — 1
18 — 1
224
Control Plane Policing (CoPP)