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The, you can see the historical topology as follows:
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Viewing Historical
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Topologies
In the historical topology mode, click the "Aim" icon.
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After the topology is loaded completely, the topology shows the state at the selected time point. The timeline shows 30 minutes forward or backward from that time point.
Click the time points in the timeline to view historical topologies at different time.
Returning to the Real-Time Topology Mode
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Zooming in or out of a Topology
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In the historical topology mode, click the "Refresh" icon. You can view the exported topology in the download history of your browser.
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Returning to the Real-Time Topology Mode
In the historical topology mode, click the “Back To Real-Time Topology” icon to leave the historical mode.
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