About felipe-tenente

felipe-tenente · 05-19-2026

Hi guys,We updated the Catalyst 9300 switches on our campus from version 17.09.08 to version 17.15.05 last Friday, and since then we’ve been seeing some really strange behavior.One of the EtherChannels on our core switches keeps going into err-disabl...

felipe-tenente · 05-19-2026

Thank you, gentlemen, for your feedback.I forgot to mention a strange issue that occurred during the upgrade on both sides.It appears that one of the two stack members completely lost its way, even though it was displaying the updated version.Once I ...

felipe-tenente · 05-19-2026

Thanks for the advice.I'll look into setting that up.It's a stack of two C9300X-24Y switches on each side.

felipe-tenente · 05-19-2026

@aleabrahao (cannot check detail command on a C9300X-24Y)From the side that i suspect to be defect:Interface Hu1/1/3---Port enable administrative configuration setting: Follows device defaultPort enable operational state: Enabled / in aggressive mode...

Member Since	‎05-19-2026 06:47 AM
Date Last Visited	‎05-20-2026 04:45 AM
Posts	4
Total Helpful Votes Received	2

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9300 series and errdisable / udld problem

Re: 9300 series and errdisable / udld problem

Re: 9300 series and errdisable / udld problem

Re: 9300 series and errdisable / udld problem