184 lines
7.1 KiB
PowerShell
184 lines
7.1 KiB
PowerShell
param (
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[string]$vCenter = "",
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[string]$cluster = "",
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[string]$VmHost = "",
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[string]$vmkPort = "",
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[int]$testFrame = 1472,
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[switch]$SaveCred = $false,
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[switch]$Help = $false
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)
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# Variables
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$fileVersion = "1.2.6"
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$fileDate = "2025-09-15"
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# Display Script Banner
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Write-Host "--------------------------------------------------" -ForegroundColor White
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Write-Host "Host Network Testing Script" -ForegroundColor Green
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Write-Host "Version $($FileVersion) ($($FileDate))" -ForegroundColor Green
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Write-Host "Written by Charlie Silverman" -ForegroundColor Green
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Write-Host "--------------------------------------------------" -ForegroundColor White
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if ($Help) {
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Write-Host
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Write-Host "Purpose: Perform multiple ping tests simultaneously from an ESXi host."
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Write-Host "Command Syntax:"
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Write-Host " NetworkTester.ps1 (-vcenter [vcenter host name]) (-cluster ""[cluster]"") (-VmHost ""[host]"") (-vmkPort ""[vmkPort]"")" -foregroundcolor green
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Write-Host " (-testFrame [framesize]) (-savecred) (-help)`n" -foregroundcolor green
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Write-Host "Command Line Options:"
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Write-Host
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Write-Host -NoNewLine " -vCenter " -foregroundcolor Green
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Write-Host "- The FQDN or IP address of a vCenter server."
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Write-Host -NoNewLine " -cluster " -foregroundcolor Green
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Write-Host "- The name of the cluster as shown in vCenter."
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Write-Host -NoNewLine " -VmHost " -foregroundcolor Green
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Write-Host "- [Optional] The name of a host to test. If not specified, all hosts in the cluster will be tested."
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Write-Host -NoNewLine " -vmkPort " -foregroundcolor Green
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Write-Host "- The VMkernel port on the host to test."
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Write-Host -NoNewLine " -testFrame " -foregroundcolor Green
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Write-Host "- The TCP frame size to use for the test. Default: 1500."
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Write-Host -NoNewLine " -savecred " -foregroundcolor Green
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Write-Host "- Configure and store vCenter server credentials. This will only store the credentials under"
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Write-Host " the current logged in user."
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Write-Host -NoNewLine " -help " -foregroundcolor Green
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Write-Host "- Display command help."
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Write-Host
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Write-Host "If any of the information is not provided, you will be prompted. If a credential has been previously stored, it will"
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Write-Host "be used again unless the -savecred option is specified."
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Write-Host
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Write-Host "Each host in the selected cluster will perform ping tests to all IP addresses assigned to the selected vmKernel port"
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Write-Host "on all hosts in the cluster."
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Write-Host
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exit
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}
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$quiet = Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false
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if ($vCenter -eq "") {
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$vCenter = Read-Host "Enter name of vCenter Server"
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}
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if ($SaveCred) {
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$credential = Get-Credential -Message "Enter credentials for vCenter server $vCenter"
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$credential | Export-Clixml -path $env:USERPROFILE\kispingtest-$vcenter.cred
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Write-Host "Saving credentials."
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}
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if (Test-Path -path $env:USERPROFILE\kispingtest-$vcenter.cred -PathType Leaf) {
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$credentials = Import-Clixml -path $env:USERPROFILE\kispingtest-$vcenter.cred
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Write-Host "Using stored credentials"
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} else {
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$credentials = Get-Credential -Message "Enter credentials for vCenter server $vCenter"
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if (!$credentials) {
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Write-Host "ERROR: No credentials were entered" -foregroundcolor yellow
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}
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}
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try {
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Write-Host -NoNewLine "Connecting to vCenter $vcenter..."
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$vcconn = Connect-VIServer $vcenter -Credential $credentials -ErrorAction SilentlyContinue
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Write-Host " Success" -ForegroundColor green
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} catch {
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Write-Host " Failure" -ForegroundColor Yellow -BackgroundColor Red
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exit
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}
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if ($cluster -eq "") {
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$Clusterlist = Get-Cluster | Sort-Object
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While (($cluster -eq "") -or (-not $cluster)) {
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Write-Host "`nCluster Selection:`n"
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for ($x = 0; $x -lt $Clusterlist.length; $x++) {
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Write-Host "$(([string]($x+1)).PadLeft(3,' '))" -NoNewLine -ForegroundColor Green
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Write-Host ": " -NoNewLine -ForegroundColor Gray
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Write-Host "$($Clusterlist[$x].name)" -ForegroundColor Yellow
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}
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$Clusternum = Read-Host "`nSelect Cluster Number"
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$Clusternum = [int]$Clusternum - 1
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$cluster = $Clusterlist[$Clusternum]
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}
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$mycluster = get-cluster $cluster
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} else {
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$mycluster = get-cluster $cluster
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}
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$firsthost = $mycluster | Get-VMHost | Select-Object -first 1
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$vmks = $firsthost | Get-VMHostNetworkAdapter | Where-Object {$_.Name -like "vmk*"} | Sort-Object Name
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While (($vmkPort -eq "") -or (-not $vmkPort)) {
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Write-Host "`nVMKernel Port Selection:`n"
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for ($x = 0; $x -lt $vmks.length; $x++) {
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$myvmk = $vmks[$x];
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$mask = [ipaddress]$myvmk.SubnetMask
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$binary = [convert]::ToString($mask.Address, 2)
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$mask_length = ($binary -replace 0,$null).Length
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Write-Host "$(([string]($x+1)).PadLeft(3,' '))" -NoNewLine -ForegroundColor Green
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Write-Host ": " -NoNewLine -ForegroundColor Gray
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Write-Host "$($myvmk.Name) - $($myvmk.PortGroupName) ($($myvmk.IP)/$($mask_length))" -ForegroundColor Yellow
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}
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$vmknum = Read-Host "`nSelect VMKernel Port Number for Testing"
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$vmkPort = $vmks[$vmknum - 1].Name
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$myvmk = $vmks[$vmknum - 1]
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}
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if ((-not(Test-Path variable:myvmk) -or ($myvmk -ne $null))) {
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$myvmk = $firsthost | Get-VMHostNetworkAdapter | Where-Object {$_.Name -like "$vmkPort"}
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$mask = [ipaddress]$myvmk.SubnetMask
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$binary = [convert]::ToString($mask.Address, 2)
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$mask_length = ($binary -replace 0,$null).Length
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Write-Host "Using $($myvmk.Name) ($($myvmk.PortGroupName)) for Testing"
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}
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$targetlist = get-cluster $mycluster | get-vmhost | Get-VMHostNetworkAdapter | Where-Object {$_.Name -like "$myvmk"} | Select-Object -Property IP | Sort-Object IP
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if ($VmHost -ne "") {
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try {
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$hostlist = Get-VMhost $VmHost -ErrorAction Stop
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} catch {
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Write-Host "ERROR - Host $VmHost not found." -ForegroundColor Yellow -BackgroundColor Red
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exit*
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}
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if ($hostlist[0].parent.name -ne $cluster) {
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Write-Host "ERROR - Host $VmHost not part of cluster $cluster" -ForegroundColor Yellow -BackgroundColor Red
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exit
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}
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} else {
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$hostlist = $mycluster | Get-VMHost | Sort-Object Name
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}
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for ($x = 0; $x -lt $hostlist.length; $x++) {
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$myhost = $hostlist[$x]
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$myip = $myhost | Get-VMHostNetworkAdapter | Where-Object {$_.Name -like "$myvmk"} | Select-Object -Property IP
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$hostname = $myhost.name
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$tcpstack = $myvmk.ExtensionData.Spec.NetStackInstanceKey
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Write-Host "Testing Host $hostname on $($myvmk.PortGroupName) with a frame size of $testFrame ($myip)"
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$esxcli = get-esxcli -vmhost (get-vmhost $myhost) -v2
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for ($y = 0; $y -lt $targetlist.length; $y++) {
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$params = (get-esxcli -v2 -vmhost (get-vmhost $myhost)).network.diag.ping.CreateArgs()
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$params.host = $targetlist[$y].IP
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$params.interface = $vmkPort
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$params.size = $testFrame
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$params.df = $true
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$params.count = 1
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if ($tcpstack -ne "defaultTcpipStack") {
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$params.netstack = $tcpstack
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}
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$result = ($esxcli.network.diag.ping.Invoke($params)).summary
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$response = $vmkPort + "->" + $result.HostAddr + "(" + $testFrame + ") "
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if ($result.Received -gt 0) {
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$test = "Good"
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} else {
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$test = "Bad"
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}
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Write-Host " - $($hostname): $response" -NoNewLine
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If ($test -eq "Good") {
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Write-Host "$test" -ForegroundColor Green
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} else {
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Write-Host "$test" -ForegroundColor Red
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}
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}
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}
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Disconnect-VIServer $vCenter -confirm:$false
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