Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
If you connect SFP uplink to C9200L-24T-4G-E product, all UTP ports go down.
I have three, and all of them have such symptoms.
It's the same when I upload the latest firmware.
I attached a video.
