Administrator Guide

CoPP Example
The illustrations in this section show the benefit of using CoPP compared to not using CoPP on a switch.
The following illustration shows how CoPP rate limits protocol traffic destined to the control-plane CPU.
Figure 26. Control Plane Policing
NOTE: On the system, CoPP does not convert the input rate of control-plane traffic from kilobits per second (kbps) to
packets per second (pps) as on other Dell Networking switches. On other switch, CoPP converts the input kilobit-per-
second rate to a packet-per-second rate, assuming 64 bytes as the average packet size. CoPP then applies the packet-
per-second rate to the appropriate queue. On these switches, 1 kbps is approximately equal to 2 pps.
The following illustration shows the difference between using CoPP and not using CoPP on a switch.
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Control Plane Policing (CoPP)