Data error in summary graph of multiple interfaces

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joe_hznm
Posts: 29
Joined: Thu May 19, 2005 12:29 am

Data error in summary graph of multiple interfaces

Post by joe_hznm »

Hi,

I'm sorry I posted the question again. I tried to graph summary traffic of multiple interfaces. Although the graph shows the correct value, but data shown below the graph( >5Gbps) exceeds the total physical interface speed(2*2.5Gbps).

How can I fix it?


Joe
Attachments
total.png
total.png (33.61 KiB) Viewed 1294 times
item3 configuration
item3 configuration
item3.png (20.18 KiB) Viewed 1294 times
current traffic calculation config
current traffic calculation config
current.png (20.19 KiB) Viewed 1294 times
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joe_hznm
Posts: 29
Joined: Thu May 19, 2005 12:29 am

Post by joe_hznm »

It seems something wrong with cacti's calculating. I modified the configuration by removing the LINE item (item3), the result seems to be correct.
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rony
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Post by rony »

This was just for 2 interfaces, right?
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joe_hznm
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Joined: Thu May 19, 2005 12:29 am

Post by joe_hznm »

yes. It counts summary of two interfaces.

The third item which I defined before has the same data source as item2 while I turned graph type to "Line3". Turning on graph debugging, it shows cacti calculate the total bandwidth by adding the two data source statistics , but it seems data source two was calculted two times.
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