function Set-MyOffloadPolicy
{
	param([string]$VMHost,[string]$vSwitch ,[string]$CsumOffload,[string]$TcpSegmentation,[string]$zeroCopyXmit)
	$ErrorActionPreference = "Stop"
	If (!$VMHost -or !$vSwitch)
	{
		Write-Error "Usage: Set-MyvSwitch -VMHost [string] -vSwtich [string] [-CsumOffload <On|Off>] [-TcpSegmentation <On|Off>] [-zeroCopyXmit <On|Off>]"
	}
	$network = Get-VMHostNetwork -VMHost $VMHost
	$networkView = $network | Get-View
	
	$spec = ($networkView.NetworkConfig.vSwitch | Where { $_.Name -eq $vSwitch }).Spec

	#OffloadPolicy
	If ($CsumOffload -or $TcpSegmentation -or $zeroCopyXmit)
	{
		If ($CsumOffload)
		{
			If ($CsumOffload -eq "On")
			{
				$spec.Policy.OffloadPolicy.CsumOffload = $True
			}
			ElseIf ($CsumOffload -eq "Off")
			{
				$spec.Policy.OffloadPolicy.CsumOffload = $False
			}
			Else
			{
				Write-Error "Incorrect value for CsumOffload. Accepted values: On / Off"
			}
		}
		If ($TcpSegmentation)
		{
			If ($TcpSegmentation -eq "On")
			{
				$spec.Policy.OffloadPolicy.TcpSegmentation = $True
			}
			ElseIf ($TcpSegmentation -eq "Off")
			{
				$spec.Policy.OffloadPolicy.TcpSegmentation = $False
			}
			Else
			{
				Write-Error "Incorrect value for TcpSegmentation. Accepted values: On / Off"
			}
		}
		If ($zeroCopyXmit)
		{
			If ($zeroCopyXmit -eq "On")
			{
				$spec.Policy.OffloadPolicy.zeroCopyXmit = $True
			}
			ElseIf ($zeroCopyXmit -eq "Off")
			{
				$spec.Policy.OffloadPolicy.zeroCopyXmit = $False
			}
			Else
			{
				Write-Error "Incorrect value for zeroCopyXmit. Accepted values: On / Off"
			}
		}
		
		#Show settings
		Write-Host "Ready to apply the following offload policy:"
		$spec.Policy.OffloadPolicy
		
		$action = Read-Host "Do you wish to continue? (y/n)"
		If ($action -eq "y")
		{
			#Update vSwitch		
			$networkView.updateVirtualSwitch($vSwitch,$spec)
		}
		Else
		{
			Write-Error "Action cancelled by user."
		}
	}
	Else
	{
		Write-Error "No options specified. Usage: Set-MyvSwitch -VMHost [string] -vSwtich [string] [-CsumOffload <On|Off>] [-TcpSegmentation <On|Off>] [-zeroCopyXmit <On|Off>]"
	}
}