On 02/13/18 04:21, Terry Barnaby wrote: > I have just noticed that most of my systems now have their Ethernet interfaces > running at 100 MBits/s half duplex rather than the expected 1GBits/s. > > I think some update has caused this to happen, probably about 5 days ago (noticed > something was slow). These are KDE/Plasma GUI systems but I'm not sure if this is > due to a change in KDE/Plasma, NetworkManager or something else. > > The KDE/Plasma NeworkManager settings GUI interface now has an "Allow > auto-negotiation" checkbox which I don't think was there before and there is now > the entry ETHTOOL_OPTS="autoneg on" in the /etc/sysconfig/network-scripts/ifcfg-* > file if you set it. It appears that the default setting is 100MBits/s half duplex > rather than auto negotiate... All of my bare metal systems are KDE only. All of them are fully update. All of them are running at.... Speed: 1000Mb/s Duplex: Full The "Allow auto-negotiation" box has been there for as long as I can recall. As a matter of fact, there was (maybe still is) a bug that prevents saving configuration changes if that box is not checked. What are the systems connected to? You may want to reset it? -- A motto of mine is: When in doubt, try it out
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