Topology Viewer provides topology visualization.

This depends on following ryu applications. Get node and link data. Being notified change of link up/down. Get flows of datapaths.


Run mininet (or join your real environment):

$ sudo mn --controller remote --topo tree,depth=3

Run GUI application:

$ PYTHONPATH=. ./bin/ryu run --observe-links ryu/app/gui_topology/

Access http://<ip address of ryu host>:8080 with your web browser.