Is there a VMware Web Services API command to change the VLAN assigned to a Virtual Nic on a Virtual Machine in VMware

Using the PowerCLI and tools, lots of additional functions are available like disconnecting CDROM drives from VMs. One of the simplest PowerCLI examples, and something which is actually extremely useful on its own, is the Get-VM cmdlet. Which lists VMs.

I would recommend using the following, also VMware recommends the use of PowerCLI, which is PowerShell interface with vSphere-specific additions.

http://communities.vmware.com/community/vmtn/server/vsphere/automationtools/powercli

PowerCLI can be a bit overwhelming to use,  But it can be enhanced with a nice toolset and a library of preconfigured scripts to jump-start your mass changes, which is possible with PowerGUI

http://powergui.org/index.jspa

and

VMware Community Pack

http://www.virtu-al.net/featured-scripts/vmware-powerpack/

It's also worth looking at The free VMware Guest Console

http://labs.vmware.com/flings/vgc

The free VMware Guest Console, an experimental application created by VMware Labs, is a great tool for managing vSphere VM processes and files. You can view, sort and kill processes across all VMs, and you can also run a script on all Windows or Linux VMs.

If you do want a script, LucD. His website is here http://www.lucd.info/. He has written many books on the PowerCLI scripts.

 

Foreach ($VMHost in Get-VMHost){
	Foreach ($vSwitch in ($VMHost | Get-VirtualSwitch )){
		$NicTeaming = Get-NicTeamingPolicy -VirtualSwitch $vSwitch
		$obj = new-object psobject
		$obj | Add-Member -membertype NoteProperty -Name Host -value $VMHost
		$obj | Add-Member -membertype NoteProperty -Name vSwitch -value $vSwitch
		$obj | Add-Member -membertype NoteProperty -Name NumPorts -value $vSwitch.NumPorts
		$obj | Add-Member -membertype NoteProperty -Name NumPortsAvailable -value $vSwitch.NumPortsAvailable
		$PG = $vSwitch | Get-VirtualPortGroup
		If ($PG.Count -gt 1){
			$obj | Add-Member -membertype NoteProperty -Name PortGroups -value ([string]::join(' , ',($PG)))
		}
		Else {
			$obj | Add-Member -membertype NoteProperty -Name PortGroups -value $PG
		}
		$obj | Add-Member -membertype NoteProperty -Name BeaconInterval -value $NicTeaming.BeaconInterval
		$obj | Add-Member -membertype NoteProperty -Name LoadBalancingPolicy -value $NicTeaming.LoadBalancingPolicy
		$obj | Add-Member -membertype NoteProperty -Name NetworkFailoverDetectionPolicy -value $NicTeaming.NetworkFailoverDetectionPolicy
		$obj | Add-Member -membertype NoteProperty -Name NotifySwitches  -value $NicTeaming.NotifySwitches 
		$obj | Add-Member -membertype NoteProperty -Name FailbackEnabled -value $NicTeaming.FailbackEnabled
		If ($NicTeaming.ActiveNic -gt 1){
			$obj | Add-Member -membertype NoteProperty -Name ActiveNic -value ([string]::join(' , ',($NicTeaming.ActiveNic)))
		}
		Else {
			$obj | Add-Member -membertype NoteProperty -Name ActiveNic -value $NicTeaming.ActiveNic
		}
		If ($NicTeaming.StandbyNic -gt 1){
			$obj | Add-Member -membertype NoteProperty -Name StandbyNic -value ([string]::join(' , ',($NicTeaming.StandbyNic)))
		}
		Else {
			$obj | Add-Member -membertype NoteProperty -Name StandbyNic -value $NicTeaming.StandbyNic
		}
		If ($NicTeaming.UnusedNic -gt 1){
			$obj | Add-Member -membertype NoteProperty -Name UnusedNic -value ([string]::join(' , ',($NicTeaming.UnusedNic)))
		}
		Else {
			$obj | Add-Member -membertype NoteProperty -Name UnusedNic -value $NicTeaming.UnusedNic
		}
		$obj | Add-Member -membertype NoteProperty -Name CheckBeacon  -value $NicTeaming.CheckBeacon
		$obj.PSTypeNames.Clear()
		$obj.PSTypeNames.Add('Virtu-al.PowerPack.vSwitchInfo')
		$obj.PSTypeNames.Add('Virtu-al.PowerPack.NET')
		$obj
	}
}

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the above code lists vSwitch detail information Portgroup is the variable which would need setting.