The switch interrupted after the fiber optic cable was plugged in

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Restart Devices : Reboot switches, routers, or media converters to resolve temporary glitches. Check Indicator Lights : A "LOS" (Loss of Signal) LED on transceivers signals connectivity issues. Configuration errors are a hidden culprit:This document describes how to troubleshoot fiber optic interfaces by addressing some of the fiber optic module and cabling specifications. When these modules are unable to be detected, communication channels are disrupted and the potential for discontent by network professionals increases. Why Do Fiber Networks Fail? Despite their robustness, fiber networks can fail due to:. 2 * MERAKI MS120-24 2 * SFP+ Transceiver, 10G LC Single Mode Module 1310nm 1 * SingleMode LC to LC Fiber Patch Cable Optical Cables Duplex 1G/10GB SMF. I want to connect SW1 to SW3 via SFP fibre and SW2 to SW3 via SFP fibre; but the status stays Link down Protocol down.

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