Dell N3200-ON Networking N-Series Switches User Guide version 6.8.0 - Page 1646

This section covers the following topics: • "Dell Networking OpenFlow Hybrid Principles of Operation" on page 1646 • "OpenFlow 1.0 Supported Flow Match Criteria, Actions and Status" on page 1648 • "Port Configuration, Status and Statistics" on page 1674 • "Queue Configuration and Status" on page 1675 • "Queue Configuration and Status" on page 1675 • Dell Networking OpenFlow Hybrid Supported OpenFlow messages and options. Dell Networking OpenFlow Hybrid Principles of Operation The Dell Networking OpenFlow Hybrid OpenFlow implementation is targeted for the data center market as opposed to the education market. As a consequence of this design decision, some aspects of the OpenFlow 1.0/1.3 specifications are not supported, while extra features are added to enhance the data center networking environment. Key limitations are: • A single bridge instance. • A limited subset of supported flow actions. The Dell Networking OpenFlow Hybrid implements the following behaviors: 1 The switch behaves as an OpenFlow-Enabled Hybrid switch. This means that the switch can forward OpenFlow and normal Layer-2 and Layer-3 traffic on the same ports and the same VLANs at the same time. When the controller adds flows, the ports mentioned in the match criteria or egress actions are automatically assumed to be OpenFlow ports, so the switch disables ingress and egress filtering on those ports and allows the ports to receive and transmit traffic for any VLAN. This change in the ingress and egress filtering behavior may affect how the switch handles the nonOpenFlow traffic on those ports. 2 The switch supports only one bridge instance. 3 In OpenFlow 1.0 mode, the switch supports several backup OpenFlow controllers. The backup controllers can exchange hello messages with the switch, but cannot add flows or monitor switch status. A vendor message is 1646 OpenFlow