How to fix Cisco C9200L-24P Uplink Issue on 17.3.4b

This post is about fixing Cisco C9200L-24P uplink Issue on IOS version 17.3.4b. Issue and Environment 1x Cisco 9200L-24P with 4x 10G SFP module Cisco 10G SFP uplink to another Cisco Core Switch IOS version is 17.3.4b on Cisco 9200L-24, it was the “recommended” version on Cisco website before Physical link between Cisco 9200L-24P and […]

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