2 additional directories need to be created to contain graph data:
Data from SNMP queries, TCP tests, UDP tests, external program tests, database queries, internal data, ping round-trip-times, test elapsed time, (etc.) can all be graphed. Groups of these can also be graphed. The default is not to graph. To enable, in the desired places, add:
graph: yes
You can also set various other parameters. For Example:
Group "Bandwidth Tests" { graph: yes # turn on graphing title: Bandwidth # set the graph title ylabel: Bits per second # label the y-axis drawgrid: yes # draw a grid Service UDP/SNMP { label: Out # calc is documented elsewhere, but # this will convert the SNMP counter # to the average rate in bits/second calc: ave-rate-bits hostname: gw-amb3.example.com oid: ifInOctets.1 maxvalue: 20000000 # maxvlue is documented elsewhere, but # this will cause the service to be # down if it exceeds 20 Mbps # when down, the graph will display red } Service UDP/SNMP { label: In calc: ave-rate-bits hostname: gw-amb3.example.com oid: ifOutOctets.1 maxvalue: 20000000 } }
The webpages will contain 3 thumb-nail images covering roughly: 1 day, 2 weeks, 3 months. Clicking on the thumb-nails will bring up a larger image. Some example images, click for larger:
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