def GetVportMapping( port ):
    # Search all vport for the port number.
    # Port format = 1/1.  Not 1/1/1.

    vportList = ixNet.getList(ixNet.getRoot(), 'vport')

    for vport in vportList:
        # ::ixNet::OBJ-/availableHardware/chassis:"10.219.117.101"/card:1/port:5
        connectedTo = ixNet.getAttribute(vport, '-connectedTo')
        card    = connectedTo.split('/')[3].split(':')[-1]
        portNum = connectedTo.split('/')[4].split(':')[-1]
        portNumber = card +'/' + portNum

        if portNumber == port:
            return vport