proc GetStatsHlt { {typeOfStats flow} } {
    puts "\nGetStatsHlt: $typeOfStats"
    set flowStats [::ixia::traffic_stats -mode flow]
    if {[keylget flowStats status] != $::SUCCESS} {
	puts "GetStatsHlt: Failed to get statistics: $flowStats"
	return
    }
    return $flowStats
}