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Powershell: Change metric on specific adapter

Posted on 2016-11-16
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Last Modified: 2016-11-20
Recently Windows has taken away the adapter binding setting/GUI under network adapters -advanced -advanced settings (see image), they stated that nothing uses the adapter binding other than DNS, well I still need it for DNS, I’ve looked at a few PowerShell scripts that changes the Metric on an adapter to route DNS requests to one adapter first. These scripts work great, however the issue I have is I have no way to find the adapter automatically. I have to query each machine in order to place the metric on a particular adapter. I run the Get-NetAdapter On the target machine and the only thing in common on all the machines is the InterfaceDescription which was set when this adapter was installed. So the question I have is can I edit using PowerShell an adapters setting based upon the InterfaceDescription.
bring.PNG
So I have
Get-NetAdapter | where {$_.InterfaceDescription -eq “NeoRouter Virtual Network Interface”}
 But id like to cache the mac address of the neo router to  change its metric?
get-NetIPInterface doesn’t list mac address nor InterfaceDescription, so is there a way to match up get-NetIPInterface with Get-NetAdapter I tried using Get-WmiObject -Class Win32_NetworkAdapter.
I saw this script that does something similar
https://gallery.technet.microsoft.com/scriptcenter/Change-wired-network-db174767


Thanks in advance
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Question by:Joe Danyi
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oBdA earned 2000 total points
ID: 41891070
You can link them with the Interface index:
$NetIPInterface = Get-NetIPInterface -InterfaceIndex (Get-NetAdapter -InterfaceDescription 'NeoRouter Virtual Network Interface').ifIndex

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by:Joe Danyi
ID: 41894883
Worked perfectly i did need to narrow down to just the IPV4 So i added
$NetIPInterface = Get-NetIPInterface -InterfaceIndex (Get-NetAdapter -InterfaceDescription 'NeoRouter Virtual Network Interface').ifIndex
$NETIPInterface2 = $NetIPInterface| Where-Object {$_.DHCP -like "disabled"}
$NETIPInterface2 | Set-NetIPInterface -InterfaceMetric 100

dumb followup question for the metric is it lowest number goes first or highest number goes first.
IE im trying to route DNS traffic though my NEO router so will 100 mean it will go to that adapter first or will 1 make it go though that adapter first?
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Expert Comment

by:oBdA
ID: 41894898
Metric is the cost; lower numbers cost less and will be preferred. And "100" or "1" by itself doesn't mean much - the lowest number decides.
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Author Comment

by:Joe Danyi
ID: 41894922
just to be sure,

if i have 5 adapters and the metrics of the adatper asending from 1 - 5. that would mean the adapters with the lowest cost IE adatper 1 would go first then adatper 2 and so on. as apose to it decending where 5 goes first then 4.

and i thank you for your time.
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Expert Comment

by:oBdA
ID: 41894938
Yes.
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