Listing 1: Sample default file that monitors the test packets sent every second between the Wireless KarlRouters to measure the Signal to Noise Ratio (SNR).

#Target Dictionary
Target    --default--
    router        =    %auto-target-name%
    snmp-host    =    %router%
    target-type    =    undef

# OID's we'll be using in this tree which are unique, and not needed 

# in the other trees
OID        wliPhyLowSnr        1.3.6.1.4.1.74.2.21.1.2.1.8.2
OID        wliPhyGoodSnr       1.3.6.1.4.1.74.2.21.1.2.1.9.2
OID        wliPhyExcellentSnr  1.3.6.1.4.1.74.2.21.1.2.1.10.2

#Datasource Dictionary
datasource    --default--
    rrd-ds-type    =    COUNTER
    rrd-heartbeat    =    1800
    
datasource    wliPhyLowSnr
              ds-source    = snmp://%snmp%/wliPhyLowSnr
datasource    wliPhyGoodSnr
              ds-source    = snmp://%snmp%/wliPhyGoodSnr
datasource    wliPhyExcellentSnr
              ds-source    = snmp://%snmp%/wliPhyExcellentSnr

#TargetType Dictionary
targetType    WirelessKarlRouter
  ds      =    "wliPhyLowSnr, wliPhyGoodSnr, wliPhyExcellentSnr"
  view    =    "SNR Levels: wliPhyLowSnr wliPhyGoodSnr liPhyExcellentSnr"

html short-desc                 Wireless KarlRouter

#Graph Dictionary
graph   wliPhyLowSnr
    units   =   "packets"
    color   =   red
    draw-as =   AREA
    y-axis  =   "Test Packets"
    legend  =   "Low SNR"

graph   wliPhyGoodSnr
    units   =   "packets"
    color   =   blue
    legend  =   "Good SNR"

graph   wliPhyExcellentSnr
    units   =   "packets"
    color   =   dark-green
    legend  =   "Excellent SNR"