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Oracle Linux: ETH Interface Speed Downgraded To 100MBIT While It Should Be 1GBIT, Error In Messages File: "ethXYZ: Link Speed was downgraded by SmartSpeed" (Doc ID 2802073.1)

Last updated on AUGUST 26, 2021

Applies to:

Linux OS - Version Oracle Linux 7.0 to Oracle Linux 8.4 [Release OL7 to OL8U4]
Linux x86
Linux x86-64

Symptoms

ETH inteface downgraded to 100MBIT by SmartSpeed, evidence in /var/log/messages:

 

Cause

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In this Document
Symptoms
Cause
Solution


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