Tag Archives: Comware
OpenFlow switch configuration - HP Procurve and Comware with the HP VAN SDN controller

OpenFlow switch configuration – HP Procurve and Comware with the HP VAN SDN controller

In this video David Bombal demonstrates the configuration of OpenFlow on physical HP switches. Both Comware and ProVision configuration are explained. The switches are integrated with the HP VAN SDN Controller which updates the flow tables on the switches. David explains the OpenFlow flow tables on both the Controller and the switches. The switches used […]

stp-comware

Spanning Tree and OpenFlow

Questions I often get asked include: Can you run Spanning Tree and OpenFlow together? What happens when Spanning Tree blocks a port? What will OpenFlow do? Will not having redundant links in an OpenFlow network result in loops? Firstly, it is possible to run an OpenFlow network connected to the HP VAN SDN Controller with […]

datapath-ids

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 […]