Users Guide

The following table lists the CoPP protocol mappings to queues, and default rate limits and buffer sizes on the S4148FE-ON
platform. The number of control-plane queues is dependent on the hardware platform.
Table 117. CoPP: Protocol mappings to queues, and default rate limits and buffer sizes - from release
10.4.2 and later
Queue Protocols Minimum rate
limit (in pps)
Maximum rate
limit (in pps)
Minimum
guaranteed
buffer (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
10 LACP 600 1000 1664 48880
11 STP, RSTP, MSTP 400 400 1664 48880
12 DOT1X, LLDP 500 500 1664 48880
13 IPv6 OSPF 600 1000 1664 48880
14 IPv4 OSPF 600 1000 1664 48880
15 BGP 600 1000 1664 48880
16 IPv4 DHCP, IPv6 DHCP 500 500 1664 48880
17 VRRP 600 1000 1664 48880
18 BFD 700 700 1664 48880
19 Remote CPS 700 1000 1664 48880
20 MCAST data 300 300 1664 20800
21 ACL logging 100 100 1664 20800
22 MCAST known data 300 300 1664 20800
For information about the current protocol to queue mapping and the rate-limit configured per queue, see show control-plane
info.
Quality of service
1187