This is kinda of why it makes sense to purchase at least one license.
I would start with a loop back test on both ends. Dirty ports happen.
Did you grab the most recent version of ethtool and build it?
> -----Original Message-----
> From: CentOS <centos-bounces@xxxxxxxxxx> On Behalf Of Giles Coochey
> Sent: Tuesday, July 2, 2019 9:19 AM
> To: CentOS mailing list <centos@xxxxxxxxxx>
> Subject: Anyone with RedHat Subscription?
>
> Does Anyone with a RedHat subscription able to give a hint as to what
> the solution to the following knowledgebase article is:
>
> https://access.redhat.com/solutions/2801051
>
> I'm having a similar issue with an SFP on a Centos host, and am
> searching for a way to view Optical RX/TX Power on the SFP.
>
> From the switch side, I'm not seeing any RX Power from the Centos host.
>
> Thanks in advance
>
> Giles
>
>
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