[mrtg] OpenWRT Collectd + RRDTool

[Aizad Fauzi]

Hi,

I've installed collectd and rrdtool in my router and it seems that the data
is collected and displayed perfectly.

However, I would like to know how to configure the graph to exclude the
negative? Meaning that I want the negative to overlap with the positive
value.

thanks.

-- 
Regards,
Aizad
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