Copp Example - Dell C9000 Series Networking Configuration Manual

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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

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.

Control Plane Policing (CoPP)