proc VerifyProtocolSessionStatusUpNgpfHlt { protocolHandle {totalTime 60}} {
    # protocolHandle: Ethernet handle, IPv4 handle, OSPF handle, etc
    #    IPv4 handle sample: /topology:1/deviceGroup:1/ethernet:1/ipv4:1
    #    OSPF handle sample: /topology:1/deviceGroup:1/ethernet:1/ipv4:1/ospfv2:1
   
    for {set timer 1} {$timer <= $totalTime} {incr timer} {
	set sessionStatus [ixiangpf::protocol_info \
			       -handle $protocolHandle \
			       -mode "aggregate" \
			      ]
	set currentSessionUp [keylget sessionStatus $protocolHandle.aggregate.sessions_up]
	set totalSessions    [keylget sessionStatus $protocolHandle.aggregate.sessions_total]
	
	puts "\n$protocolHandle"
	puts "\t$timer/$totalTime\secs: CurrentSessionUp:$currentSessionUp   TotalSessions:$totalSessions"
	
	if {$timer < $totalTime && $currentSessionUp != $totalSessions} {
	    after 1000
	    continue
	}
	if {$timer < $totalTime && $currentSessionUp == $totalSessions} {
	    return 0
	}
	if {$timer == $totalTime && $currentSessionUp != $totalSessions} {
	    puts "\nError: It has been $timer seconds and total sessions are not all UP"
	    return 1
	}
    }
}