' Modify the Gateways for a Network Adapter
On Error Resume Next
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colNetCards = objWMIService.ExecQuery _
("Select * From Win32_NetworkAdapterConfiguration Where IPEnabled = True")
For Each objNetCard in colNetCards
arrGateways = Array("192.168.1.100", "192.168.1.200")
objNetCard.SetGateways(arrGateways)
Next