> When mrtg cannot reach the target the plot use the last value get and it > produce an horizontal line until the polling restart. > > Question : how have this plateau in red or how plot zero instead the last > value ?
If you are using MRTG with RRDTool and the Routers2 frontend, then 'unknown' values default to being shown as a greyout. You can use the options 'unknasprev' to make unknowns show as the previous value (as in native MRTG), or 'unknaszero' to display unknowns as zero. Otherwise, in Native MRTG, mrtg-rrd and 14all, you can use 'unknaszero' to make unknowns display as zero, instead of the default behaviour (displaying as the last known previous value). There is now way to make the unknowns display as previous value in a different colour as you ask, without making your own RRDTool command line to generate the graph image. Steve Steve Shipway ITS Unix Services Design Lead University of Auckland, New Zealand Floor 1, 58 Symonds Street, Auckland Phone: +64 (0)9 3737599 ext 86487 DDI: +64 (0)9 923 6487 Mobile: +64 (0)21 753 189 Email: [email protected] Please consider the environment before printing this e-mail : 打印本邮件，将减少一棵树存活的机会
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