HP VAN SDN Controller Administrator Guide

37
OpenFlow Topology
The Topology viewer displays a topology of discovered switches and end nodes. The viewer
creates and updates a graph of the network, and computes the broadcast tree to avoid loops
and broadcast storms. The shortest path is computed using Dijkstra’s graph search algorithm. The
viewer:
• Displays a topology of discovered switches and end nodes.
• Identifies the ports discovered on a given switch.
• Identifies the shortest path between two nodes
• Provides node identification options (MAC or IP address label)
• Provides a view of switch port identifiers, active flow rules, and a tool for testing flow rule
options.
Caution
Do not allow a loop between the OpenFlow and non-OpenFlow portions of your
network unless you enable Spanning Tree Protocol on the non OpenFlow devices
operating in the network
Display the Topology Viewer
Select OpenFlow Topology to display the Topology view. For example:
Figure 30 Example of the Topology Viewer