Detect the ethernet network speed using PowerShell or WMI is perfect for Windows Server Core. If you ever need to lookup the speed of your ethernet network card in Windows, on the command-line, use one of the following WMIC commands on your PowerShell prompt:
PowerShell snippet to detect ethernet network speed in Windows
An easy to use PowerShell snippet to detect ethernet network speed in Windows Server (Core & Nano including) is:
wmic NIC where "NetEnabled='true'" get "Name,Speed"
This prints out the name of the interface and configured speed, like:
PS C:\Users\janr> wmic NIC where "NetEnabled='true'" get "Name,Speed" Name Speed Broadcom NetXtreme Gigabit Ethernet #2 1000000000
You can also easily get the network adapter’s MAC address using:
wmic NIC where "NetEnabled='true'" get MACAddress
Did you know you can list all Hyper-V virtual machines MAC addresses easily with PowerShell?
That was easy, now wasn’t it?! :-) Of course you can also use PowerShell’s Get-NetAdapter cmdlet. The
Get-NetAdapter cmdlet gets the basic network adapter properties, like:
PS C:\> (Get-NetAdapter -Name Ethernet).LinkSpeed 1 Gbps
You can lookup the available interfaces and its names with