config.txt

主要用于监控网络流量并动态产生可视化结果

 Target[ezwf]: 2:public@wellfleetA + 1:public@wellfleetA
              * 4:public@ciscoF
     _________________________________________________________________
   
RouterUptime

   In cases where you calculate the used bandwidth from several
   interfaces you normaly don't get the router uptime and router name
   displayed on the web page.
   
   If these interfaces are on the same router and the uptime and name
   should be displayed nevertheless you have to specify its community and
   address again with the RouterUptime keyword.
   
   Example:
   
 Target[kacisco.comp.edu]: 1:public@194.64.66.250 + 2:public@194.64.66.250
 RouterUptime[kacisco.comp.edu]: public@194.64.66.250
     _________________________________________________________________
   
MaxBytes

   The maximum value either of the two variables monitored are allowed to
   reach. For monitoring router traffic this is normally specified in
   bytes per second this interface port can carry.
   
   If a number higher than MaxBytes is returned, it is ignored. Also read
   the section on AbsMax for further info. The MaxBytes value is also
   used in calculating the Y range for unscaled graphs (see the section
   on Unscaled).
   
   Since most links are rated in bits per second, you need to divide
   their maximum bandwidth (in bits) by eight (8) in order to get bytes
   per second. This is very important to make your unscaled graphs
   display realistic information. T1 = 193000, 56K = 7000, Ethernet =
   1250000. The MaxBytes value will be used by mrtg to decide whether it
   got a valid response from the router.
   
   If you need two different MaxBytes values for the two monitored
   variables, you can use MaxBytes1 and MaxBytes2 instead of MaxBytes.
   
   Example:
   
 MaxBytes[ezwf]: 1250000
     _________________________________________________________________
   
MaxBytes1

   Same as MaxBytes, for variable 1.
     _________________________________________________________________
   
MaxBytes2

   Same as MaxBytes, for variable 2.
     _________________________________________________________________
   
Title

   Title for the HTML page which gets generated for the graph.
   
   Example:
   
 Title[ezwf]: Traffic Analysis for Our Nice Company
     _________________________________________________________________
   
PageTop

   Things to add to the top of the generated HTML page. Note that you can
   have several lines of text as long as the first column is empty.
   
   Note that the continuation lines will all end up on the same line in
   the html page. If you want linebreaks in the generated html use the
   '\n' sequence.
   
   Example:
   
 PageTop[ezwf]: <H1>Traffic Analysis for ETZ C95.1</H1>
   Our Campus Backbone runs over an FDDI line\n
   with a maximum transfer rate of 12.5 megabytes per
   Second.
     _________________________________________________________________
   
                      Optional Target Configuration Tags
     _________________________________________________________________
   
AddHead

   Use this tag like the PageTop header, but its contents will be added
   between </TITLE> and </HEAD>.
   
   Example:
   
 AddHead[ezwf]: <link rev="made" href="[57]mailto:[e-mail]";>
     _________________________________________________________________
   
AbsMax

   If you are monitoring a link which can handle more traffic than the
   MaxBytes value. Eg, a line which uses compression or some frame relay
   link, you can use the AbsMax keyword to give the absolute maximum
   value ever to be reached. We need to know this in order to sort out
   unrealistic values returned by the routers. If you do not set AbsMax,
   rateup will ignore values higher than MaxBytes.
   
   Example:
   
 AbsMax[ezwf]: 2500000
     _________________________________________________________________
   
Unscaled

   By default each graph is scaled vertically to make the actual data
   visible even when it is much lower than MaxBytes. With the Unscaled
   variable you can suppress this. It's argument is a string, containing
   one letter for each graph you don't want to be scaled: d=day w=week
   m=month y=year. In the example scaling for the yearly and the monthly
   graph are suppressed.
   
   Example:
   
 Unscaled[ezwf]: ym
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WithPeak

   By default the graphs only contain the average values of the monitored
   variables - normally the transfer rates for incoming and outgoing
   traffic. The following option instructs mrtg to display the peak 5
   minute values in the [w]eekly, [m]onthly and [y]early graph. In the
   example we define the monthly and the yearly graph to contain peak as
   well as average values.
   
   Examples:
   
 WithPeak[ezwf]: ym
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Suppress

   By default mrtg produces 4 graphs. With this option you can suppress
   the generation of selected graphs. The option value syntax is
   analogous to the above two options. In this example we suppress the
   yearly graph as it is quite empty in the beginning.
   
   Example:
   
 Suppress[ezwf]: y
     _________________________________________________________________
   
Directory

   By default, mrtg puts all the files that it generates for each target
   (the GIFs, the HTML page, the log file, etc.) in WorkDir.
   
   If the Directory option is specified, the files are instead put into a
   directory under WorkDir. (For example the Directory option below would
   cause all the files for a target ezwf to be put into directory
   /usr/tardis/pub/www/stats/mrtg/ezwf/ .)
   
   The directory must already exist; mrtg will not create it.
   
   Example:
   
 WorkDir: /usr/tardis/pub/www/stats/mrtg
 Directory[ezwf]: ezwf
     _________________________________________________________________
   
XSize and YSize

   By default mrtgs graphs are 100 by 400 pixels wide (plus some more for
   the labels. In the example we get almost square graphs ...
   
   Note: XSize must be between 20 and 600; YSize must be larger than 20
   
   Example:
   
 XSize[ezwf]: 300
 YSize[ezwf]: 300
     _________________________________________________________________
   
XZoom and YZoom

   If you want your graphs to have larger pixels, you can ``Zoom'' them.
   
   Example:
   
 XZoom[ezwf]: 2.0
 YZoom[ezwf]: 2.0
     _________________________________________________________________
   
XScale and YScale

   If you want your graphs to be actually scaled use XScale and YScale.
   (Beware while this works, the results look ugly (to be frank) so if
   someone wants to fix this: patches are welcome.
   
   Example:
   
 XScale[ezwf]: 1.5
 YScale[ezwf]: 1.5
     _________________________________________________________________
   
YTics and YTicsFactor

   If you want to show more than 4 lines per graph, use YTics. If you
   want to scale the value used for the YLegend of these tics, use
   YTicsFactor. The default value for YTics is 4 and the default value
   for YTicsFactor is 1.0 .
   
   Example:
   
  Suppose you get values ranging from 0 to 700.
  You want to plot 7 lines and want to show
  0, 1, 2, 3, 4, 5, 6, 7 instead of 0, 100, 200,
  300, 400, 500, 600, 700.  You should write then:

  YTics[ezwf]: 7
  YTicsFactor[ezwf]: 0.01
     _________________________________________________________________
   
Step

   Change the default step from 5 * 60 seconds to something else (I have
   not tested this well ...)
   
   Example:
   
 Step[ezwf]: 60
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Options

   The Options Keyword allows you to set some boolean switches:
   
   growright
          The graph grows to the left by default. This option flips the
          direction of growth causing the current time to be at the right
          edge of the graph and the history values to the left of it.
          
   bits
          All the monitored variable values are multiplied by 8 (i.e.
          shown in bits instead of bytes) ... looks much more impressive
          :-) It also affects the 'factory default' labeling and units
          for the given target.
          
   perminute
          All the monitored variable values are multiplied by 60 (i.e.
          shown in units per minute instead of units per second) in case
          of small values more accurate graphs are displayed. It also
          affects the 'factory default' labeling and units for the given
          target.
          
   perhour
          All the monitored variable values are multiplied by 3600 (i.e.
          shown in units per hour instead of units per second) in case of
          small values more accurate graphs are displayed. It also
          affects the 'factory default' labeling and units for the given
          target.
          
   noinfo
          Suppress the information about uptime and device name in the
          generated webpage.
          
   nopercent
          Don't print usage percentages
          
   transparent
          make the background of the generated gifs transparent ...
          
   integer
          Print summary lines below graph as integers without comma
          
   dorelpercent
          The relative percentage of IN-traffic to OUT-traffic is
          calculated and displayed in the graph as an additional line.
          Note: Only a fixed scale is available (from 0 to 100%).
          Therefore for IN-traffic greater than OUT-traffic also 100% is
          displayed. If you suspect that your IN-traffic is not always
          less than or equal to your OUT-traffic you are urged to not use
          this options. Note: If you use this option in combination with
          the Colours options, a fifth colour-name colour-value pair is
          required there.
          
   gauge
          Treat the values gathered from target as absolute and not as
          ever incrementing counters. This would be useful to monitor
          things like disk space, processor load, temperature, and the
          like ...
          
          In the absence of 'gauge' and 'absolute' options, MRTG treats
          variable as a counter and calculates the difference between the
          current and the previous value and divides that by the elapsed
          time between the last two readings to get the value to be
          plotted.
          
   absolute
          This is for data sources which reset their value when they are
          read. This means that rateup does not havt to build the
          difference between this and the last value read from the data
          source. The value obtained is still divided by the elapsed time
          between the last two readings, which makes it different from
          the 'gauge' option. Useful for external data gatherers.
          
   unknaszero
          Log unknown data as zero instead of the default behaviour of
          repeating the last value seen. Be careful with this, often a
          flat line in the graph is much more obvious than a line at 0.
          
   Example:
   
 Options[ezwf]: growright, bits
     _________________________________________________________________
   
kilo

   Use this option to change the multiplier value for building prefixes.
   Defaultvalue is 1000. This tag is for the special case that 1kB =
   1024B, 1MB = 1024kB and so far.
   
   Example:
   
 kilo[ezwf]: 1024
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kMG

   Change the default multiplier prefixes (,k,M,G,T,P). In the tag
   ShortLegend define only the basic units. Format: Comma seperated list
   of prefixed. Two consecutive commas or a comma at start or end of the
   line gives no prefix on this item. Note: If you do not want prefixes,
   then leave this line blank.
   
   Example: velocity in nm/s (nanometers per second) displayed in nm/h.
   
 ShortLegend[ezwf]: m/min
 kMG[ezwf]: n,u,m,,k,M,G,T,P
 options[ezwf]: perhour
     _________________________________________________________________
   
Colours

   The Colours tag allows you to override the default colour scheme.
   Note: All 4 of the required colours must be specified here. The colour
   name ('Colourx' below) is the legend name displayed, while the RGB
   value is the real colour used for the display, both on the graph and
   in the html doc.
   
   Format is: Colour1#RRGGBB,Colour2#RRGGBB,Colour3#RRGGBB,Colour4#RRGGBB
   
   Important: If you use the dorelpercent options tag a fifth colour name
   colour value pair is required:
   Colour1#RRGGBB,Colour2#RRGGBB,Colour3#RRGGBB,Colour4#RRGGBB,Colour5#RR