proc LinkUpDownHlt {port state} {

    puts "\nLinkUpDown: Set port($port) status to $state"

    set vport [::ixia::convert_porthandle_to_vport $port]
    set output [ixNet exec linkUpDn $vport $state]

    after 2000
    #TODO: Add error handling to check state of port after it has been changed

    if {$output == "::ixNet::OK"} {
	puts "\tPort($port) is $state"
	return 0
    } else {
	puts "\tError LinkUpDown: Port's status did no change"
	return 1
    }
}