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***************
Topology Viewer
***************
ryu.app.gui_topology.gui_topology provides topology visualization.
This depends on following ryu applications.
===================== =================================================
ryu.app.rest_topology Get node and link data.
ryu.app.ws_topology Being notified change of link up/down.
ryu.app.ofctl_rest Get flows of datapaths.
===================== =================================================
Usage
=====
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/gui_topology.py
Access http://<ip address of ryu host>:8080 with your web browser.
Screenshot
==========
.. image:: gui.png
:width: 640 px
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