ovs-ofctl mod-meter <bridge> meter=<id>,<meter-parameter>

Modify a meter if the meter entry with the specified meter identifier already exists. 

The format is shown as follows:

ovs-ofctl mod-meter <bridge> meter=<id>,kbps[,burst,stats],band=type=<type>,rate=<rate>,burst_size=<size>,prec_level=<level>