PowerShell for Windows Admins

Aug 24 2011   2:15PM GMT

Network Link Speed



Posted by: Richard Siddaway
Tags:
Network

The root\wmi Namespace contains a class that just returns the link speed of your network card. Quick and easy to use function.

function get-linkspeed{            
param(            
 [string]$computer="."            
)            
Get-WmiObject -Namespace root\wmi -Class MSNdis_LinkSpeed `
-ComputerName $computer |             
select InstanceName, @{N="Speed(Mbps)"; E={$_.NdisLinkSpeed/10000}}            
            
}

The documentation I could find suggested that the NdisLinkSpeed property returned Kbps but that gave some odd results. Experimentation and a bit more research suggested I needed to divide by 10000.

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