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This will start ONOS. Now you can Press any key to push Topology.json to onos
Demo 1: Establishing connection between hosts/DataCenters using ONOS-GUI.
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Now you should see all the host in ONOS-GUI. Something similar to figure below.
Note no ping will succeed as there is not physical link between packet switches. Let createLets establish connection two packet switches that consist of optical layer, To do so we need to send Host-to-Host Intent to ONOS. There are two ways to do this. One is through ONOS-GUI and other is directly from ONOS-CLI which we will show in next section.
Lets send Host-to-Host Intent to ONOS using GUI. To do so, click on first host and then press left-shift key and click on second host while keep holding the left-shift key. Small window will appear on the right top corner under "ONOS-Summary" window stating "Selected Nodes" as show in figure.
Possible demo scenarios
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