Set-VirtualSwitch

VMware: Modifies the properties of a virtual switch

Script

#Requires -Version 5.1
#Requires -Modules VMware.VimAutomation.Core
[CmdletBinding()]
Param(
    [Parameter(Mandatory = $true)]
    [string]$VIServer,
    [Parameter(Mandatory = $true)]
    [pscredential]$VICredential,
    [Parameter(Mandatory = $true)]
    [string]$Name,
    [int32]$PortNumber,
    [int32]$Mtu
)
Process {
    try {
        $vmServer = Connect-VIServer -Server $VIServer -Credential $VICredential -ErrorAction Stop
        $vswitch = Get-VirtualSwitch -Server $vmServer -Name $Name -ErrorAction Stop
        if ($PortNumber -gt 0) { $vswitch = Set-VirtualSwitch -VirtualSwitch $vswitch -Server $vmServer -NumPorts $PortNumber -Confirm:$false -ErrorAction Stop | Select-Object * }
        if ($Mtu -gt 0) { $vswitch = Set-VirtualSwitch -VirtualSwitch $vswitch -Server $vmServer -Mtu $Mtu -Confirm:$false -ErrorAction Stop | Select-Object * }
        $result = $vswitch | Select-Object *
        if ($null -ne $result) { $result | Add-Member -NotePropertyName Timestamp -NotePropertyValue (Get-Date -Format "yyyy-MM-dd HH:mm:ss") -PassThru -Force }
    }
    catch { throw }
    finally { if ($null -ne $vmServer) { Disconnect-VIServer -Server $vmServer -Force -Confirm:$false -ErrorAction SilentlyContinue } }
}

Customize

VIServer string

IP address or DNS name of the vSphere server

VICredential pscredential

PSCredential object for authenticating with the server

Name string

Name of the virtual switch

PortNumber int32

Number of ports

Mtu int32

Maximum transmission unit in bytes