Superimposing rrd graphs 🔗 link

Is it possible to combine the history graph in to one graph by selectively superimposing historical graphs?

For example: I would like to see the TCP/IP statistics for last 24 hours and TCP/IP statistics for the previous 24 hours   appear on the same graph (with different colors, not as a continous line) so that I can compare them easily.

Thanks
Ram


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