The switch s optical module is not starting up
If possible, remove and reinstall the optical modules to check whether the fault is rectified. Based on typical issues encountered with optical modules in daily switch applications, this document summarizes basic troubleshooting steps for resolving common faults: 1. Hello, from your output I can't see which type of QSFP you have installed, your QFX discovers. The Cisco Small Business Series Switches allow you to plug in a Small Form-factor Pluggable (SFP) transceiver in their optical modules to connect fiber-optic cables. During a software upgrade, do not power off the switch due to the absence of indicator lights, as this may damage the boot area and render the switch irreparable. Port Link/ACT Light: An LED indicating the current status of the network port, usually green.
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