Visualizing Network Traffic with Netflow and FlowScan
Subject:   Graph Time Span
Date:   2006-03-06 14:13:03
From:   agshekeloh
Response to: Graph Time Span

There's an "hours" value in the CGI.

You can just edit this in to provide whatever values you like. I've added 4 and 8 hours, but I imagine that nothing prevents you from going back further.

Usually, RRD data goes back for more than a month.

Try it and let us know what happens!