#This script is designed to allow you to configure switches on multiple hosts by
#importing information from a prepopulated .csv file. vMotion switch created based
#on Mike Laverick's posting http://www.rtfm-ed.co.uk/?p=1514
#!!!!!!!Values passed for Type are Case sensitive since comparisons are being made.!!!!!!!

$getinfo = Import-Csv "\\<server>\<share>\file.csv" #need to input locatin of .CSV file

Connect-VIServer -Server vCenterServer #Need to input appropriate vCenter Server

$getinfo | % {
$Type = $_.Type #!!!! Case Sensitive  !!!!!!
$gethost = Get-VMHost -Name $_.HostName
$SwitchName = $_.SwitchName
$PortGroup = $_.PortGroupName
$Nic = $_.NIC
$VLAN = $_.VLAN
$IP = $_.IP
$Subnet = $_.Subnet
$kernelGW = $_.KernelGW

If ($Type -eq "Switch") {
$gethost | New-VirtualSwitch -Name $SwitchName -Nic $Nic
	}

#Gets Switch object based on the value for SwitchName (required for several cmd-lets that do not accept Strings)
#'If' statement is used since a vMotion type does not already have a switch configured which will throw up an error.
If ($Type -ne "vMotion") {
$getswitch = Get-VirtualSwitch -VMHost $gethost -Name $SwitchName
	}
	
#Add additional NIC to vSwitch to create a Team
If ($Type -eq "Team"){
$getswitch | Set-VirtualSwitch -Nic $Nic
	}

#Add Portgroup to existing switch with VLAN
IF ($Type -eq "Portgroup") {
$getswitch | New-VirtualPortGroup $PortGroup -VLanId $VLAN
	}

#Creates vMotion switch and configures vmkernel gateway (located under DNS and Routing in configuration tab)
IF ($Type -eq "vMotion") {

$newvswitch = New-VirtualSwitch -VMHost $gethost -Name $SwitchName -Nic $Nic
$vmotion = New-VirtualPortGroup -VirtualSwitch $newvswitch -Name $PortGroup
New-VMHostNetworkAdapter -VMHost $gethost -PortGroup $PortGroup -VirtualSwitch $newvswitch -IP $IP -SubnetMask $subnet -VMotionEnabled: $true

$vmhostnetwork = get-vmhostnetwork $gethost
set-vmhostnetwork -network $vmhostnetwork -vmkernelgateway $kernelGW
	}
}