private/Get-NetworkAdapterDnsSuffix.ps1
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Function Get-NetworkAdapterDnsSuffix { <# .SYNOPSIS Gets the correstponding network adapter for the specified local IP address. .DESCRIPTION Internal Function. This replaces the Get-NetAdapter call in previous versions, for all intents and purposes this is a decent subsititue. The reason why we want to perform this replacement is so that we don't have the dependency on the Get-NetAdapter and NetTCPIP module, as they are not available to PowerShell 6 Core. .OUTPUTS System.Net.NetworkInformation.SystemUnicastIPAddressInformation that has informaiton on the network card (actually the address assignment). #> [CmdletBinding()] [OutputType([String])] Param ( # Socket of the Client [Parameter(Mandatory = $true, HelpMessage = 'Add help message for user')] [ValidateNotNullOrEmpty()] [ValidatePattern('^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$')] [String] $IPAddress ) # Get a list of network adapters on the system $LocalAdapters = [System.Net.NetworkInformation.NetworkInterface]::GetAllNetworkInterfaces() Write-Debug -Message ('Found {0} network interfaces' -f ($LocalAdapters.Count)) # Find the Address $LocalAdapter = $LocalAdapters.Where({$_.GetIPProperties().UnicastAddresses.Address.IPAddressToString -contains $IPAddress}) if ($LocalAdapter.Count -ne 1) { Throw 'Unable to find correct network adapter' } $LocalAdapter.GetIPProperties().DnsSuffix } |