Get ESX Host Management Network IP's

Get-VMHostManagementNetwork

<#
.Synopsis
   Connect to ESX Hosts and Get Mgt IP and Test Connectivity if requested
.DESCRIPTION
   
.EXAMPLE
   Get-VMHostManagementNetwork -VIServer 'vc.domain1.local' -VMHost 'ESX01.domain1.local'
.EXAMPLE
   Get-VMHostManagementNetwork -VIServer 'vc2.domain1.local'
#>
Function Get-VMHostManagementNetwork
{ 
    [CmdletBinding(ConfirmImpact='Low')]
    Param(
        [Parameter(Mandatory=$true)]
        [string[]] $VIServer,
        [string[]] $Datacenter,
        [string[]] $Cluster,
        [string[]] $VMHost,
        [bool]$Testing = $false,
        [bool]$TestConnection = $false
    ) 
    
    # In case you are using snapins here it is
    #If (-not (Get-PSSnapin VMware.VimAutomation.Core -ErrorAction SilentlyContinue)) {Add-PSSnapin VMware.VimAutomation.Core | Out-Null}
    
    if(-not(Get-Module VMware.VimAutomation.Core -ListAvailable)){
        Install-Module VMware.VimAutomation.Core -Scope CurrentUser
    }

    Import-Module VMware.VimAutomation.Core 

    Set-PowerCLIConfiguration -DefaultVIServerMode Multiple -InvalidCertificateAction Warn -ParticipateInCeip:$false -Scope Session -DisplayDeprecationWarnings:$true -Confirm:$false


    # TESTING
    if($Testing -eq $true){
        $VIServer = 'vc.domain1.local' 
        $VMHost = 'esx01.domain1.local'
        $VMHost = $null # All VMHosts
    }

    if($VIServer -like "*domain1.local"){
        Write-Host -f Green "Connecting with Enhanced Linking On"
        Connect-VIServer $VIServer -AllLinked | Out-Null 
    }
    if($VIServer -notlike "*domain1.local"){
        Write-Host -f Green "Connecting With Enhanced Linking Off"
        Connect-VIServer $VIServer | Out-Null 
    }
    
    if($Datacenter){
        $VMHosts = Get-Datacenter $Datacenter | Get-VMHost
    } 
    ElseIf($Cluster){
        $VMHosts = Get-Cluster $Cluster | Get-VMHost
    } 
    ElseIf($VMHost){
        $VMHosts = Get-VMHost $VMHost
    } 
    Else{
        $VMHosts = Get-VMHost
    }

    $Mgt = $VMHosts | Select-Object @{N="Name";E={$_.Name}},@{N="ManagementNIC";E={(Get-VMHostNetworkAdapter -VMHost $_.Name  | Where-Object {$_.Name -eq "vmk0"}).IP }} | Sort Name ; $Mgt

    $MgtNIC = ($Mgt).ManagementNIC ; 

    if($TestConnection){
        
        Write-Host -f Green "Testing Connectivity to ESX Host MGT IP's"

        $Result = @()

        foreach ($IP in $MgtNIC)
        {
        
            $PortList = @(22,80,427,443)
        
            foreach ($Port in $PortList)
            {
                $Result += Test-NetConnection $IP -Port $Port | Where {($_.TCPTestSucceeded -eq $true)} | Select ComputerName.RemotePort,RemoteAddress,TcpTestSucceeded
            }

        }#END FOREACH BIG
    
    }#END IF

    $Result 
    
    if(-not($TestConnection)){
        
        Write-Warning "Not Testing Connectivity to ESX Host Mgt IP.  If Required Use Parameter -TestConnectivity:$true"
    }

}