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If you are using RRD Archiving, then with the archives running at 23:59 you will find the archived graphs all finish at this time. Since the graph width is 400x5min then it will start about 1.5 days before, although the 95th Percentile and Total calculations are based on the last 24 hours. This is for Historical Reasons -- originally, this is the data width provided by MRTG and the size of the RRAs -- and the graphs were 400 pixels wide.
If you are reviewing the previous day's data it sometimes helps to see a short while previous to the time window in which you are interested?
It might be a good item to put for the next version to give an option in the Routers2.conf to make the graphs strictly 1day/week/month/year rather than 400 data points... with the current available features this might be more appropriate.
Steve
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Steve Shipway
UNIX Systems, ITSS, University of Auckland, NZ
Woe unto them that rise up early in the morning... -- Isaiah 5:11
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