Connectivity Guide

By default, CoPP trac towards the CPU is classied into dierent queues as shown below.
Table 61. CoPP: Protocol mappings to queues - prior to release 10.4.2
Queue Protocol
0 IPv6
1
—
2 IGMP
3 VLT, NDS
4 ICMPv6, ICMPv4
5 ARP Request, ICMPV6-RS-NS, ISCSI snooping, ISCSI-COS
6 ICMPv6-RA-NA, SSH, TELNET, TACACS, NTP, FTP
7 RSTP,PVST, MSTP,LACP
8 Dot1X,LLDP, FCOE-FPORT
9 BGPv4, OSPFv6
10 DHCPv6, DHCPv4, VRRP
11 OSPF Hello, OpenFlow
Table 62. CoPP: Protocol mappings to queues, and default rate limits and buer sizes - from release 10.4.2 and later
Queue Protocols Minimum rate limit
(in pps)
Maximum rate
limit (in pps)
Minimum
guaranteed buer
(in bytes)
Static shared limit
(in bytes)
0 Unresolved, iSCSI, IPv6 600 600 1664 20800
1 SFlow 1000 1000 1664 20800
2 IGMP, MLD, PIM control 400 400 1664 48880
3 VLT, NDS 600 1000 1664 48880
4 IPv6 ICMP, IPv4 ICMP 500 500 1664 20800
5 ICMPv6 RS, RA, NS, NA 500 500 1664 48880
6 ARP request 500 1000 1664 48880
7 ARP response 500 1000 1664 48880
8 SSH, TELNET, NTP, FTP,
TACACS
500 500 1664 20800
9 FCoE 600 600 1664 48880
Quality of service 969