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Troubleshooting S Series Switch Port and Interface Problems

This document describes how to check the switch interface or port status and how to locate an interface physically down fault and restore the interface to the up state.Major causes of the interface physically down event include hardware and software failures.Hardware failures: include hardware failures of the local and peer devices, such as failures of cards, interfaces, optical modules, fibers,and network cables.Software failures: include inconsistent configurations of the local and peer devices, such as the interface negotiation mode, rate, and duplex configuration.

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Updated: 2023-03-06

Document ID: EDOC1100088112

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