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Understanding and Troubleshooting Discards

On Ethernet and Switchport interfaces, the “Discard” stat can be incremented for many different reasons; some indicating healthy network operation and others indicating a network issue. Understanding the discard stat is important to evaluating your network health in correlation with them. This document explains the discard stat thoroughly as well as offering reasons for why a discard is incremented and what action you should take, if any, when you see this.

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