proc EnableDisableSuppressArpAllPorts { action } {
    # Description:
    #    This API will automatically disable or enable
    #    suppress ARP for duplicate gateway on all the 
    #    ports with ipv4.

    # action = true or false or enable or disable

    if {$action == "enable"} {
	set action true
    } else {
	set action false
    }

    set root [ixNet getRoot]
    set globals $root\globals
    set globalTopology $globals/topology
    set globalTopologyIpv4 $globalTopology/ipv4
        
    set portNameList [ixNet getAttribute $globalTopologyIpv4 -rowNames]	

    foreach portName $portNameList {
	set multiValue [ixNet getAttribute $globalTopologyIpv4 -suppressArpForDuplicateGateway]
	set portIndex [expr [lsearch $portNameList $portName] + 1]

	puts "\nEnableDisableSuppressArpAllPorts: Set to $action"
	if {[SetNgpfCounterMultiValue $multiValue $portIndex $action]} {
	    return 1
	}

    }
    return 0
}