Tag Archives: datapath ID

OpenFlow Datapath ID (DPID)

How are OpenFlow switches identified? Each OpenFlow instance on a switch is identified by a Datapath Identifier. This is a 64 bit number determined as follows according to the OpenFlow specification: “The datapath_id fleld uniquely identifies a datapath. The lower 48 bits are intended for the switch MAC address, while the top 16 bits are […]