- Written by Patrick Long
- Posted on June 15, 2022
- Updated on June 16, 2022
- 5537 Views
The per-CoS (Class of Service) discard counters allow the device to count discarded packets on the switch extender based on the packet COS. For ingress, there are three categories of traffic: regular traffic, control plane traffic, and flow-control traffic (used for end-to-end congestion control).