In the latest release (2.2.7.125) we added Ethernet port settings on the Networking page. If your hub's pages are slow to load or sometimes the hub doesn't load at all, it may be that your network switch is unable to properly auto-negotiate the hub's Ethernet speed,
If that happens to you, connect to hub, then head to "Settings". Select "Networking" and scroll down to "Ethernet Speed" section. Switching to "Fixed 100mbps" may resolve your user interface problem.
Is a reboot required for the switch to take effect?
For 2.2.7.125 or later app or endpoints, no.
For endpoints in 2.2.7.124 or earlier, page output will tell if a reboot is required.
My C-4 hub on 2.2.7.125 does not to have a Settings-->Networking control button. Is this normal?
Yes, C-4 hubs are also not affected by the auto-negotiation problem.
Is the C-7 interface limited to 100mbps when it is set to "Fixed 100mbps"? Does it not support faster speeds (e.g., if I switch to "Auto negotiated")? Mine is connected to a 1Gbps switch, but that particular switch doesn't tell me what the port is negotiated at.
Nope.
What would the hub do with a 1 Gbps Ethernet connection?
Go Faster. Duh.
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( this is a joke - I have no idea what needs/use cases there are for gigabit speeds vs 100Mb on the hub )
I can’t find the ludicrous speed button, please advise 
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Cat8 can’t handle that. You’ll have to use this new cabling called Tap11.
Download the Hubitat app
