Mine

<?xml version="1.0"?>
<nsclient-datacollection-config rrdRepository="@install.share.dir@/rrd/snmp/">
  <nsclient-collection name="default">
    <rrd step="300">
      <rra>RRA:AVERAGE:0.5:1:8928</rra>
      <rra>RRA:AVERAGE:0.5:12:8784</rra>
      <rra>RRA:MIN:0.5:12:8784</rra>
      <rra>RRA:MAX:0.5:12:8784</rra>
    </rrd>

    <wpms>
      <!--  A group for collecting processor stats.
        Check the keyvalue "% Processor Time" - if it's there (should be) collect this whole group.
      Check every recheckInterval milliseconds (3600000 = 1hr) -->
      <wpm name="Processor" keyvalue="\Processor(_Total)\% Processor Time" recheckInterval="3600000">
        <!--  Collect these attributes.  Name is the name to pass to NSClient.
        Alias is the local name for the RRD file
        Type is used to convert values around
        maxval/minval are optional-->
        <attrib name="\Processor(_Total)\% Processor Time" alias="cpuProcTime" type="Gauge"/>
        <attrib name="\Processor(_Total)\% Interrupt Time" alias="cpuIntrTime" type="Gauge"/>
        <attrib name="\Processor(_Total)\% Privileged Time" alias="cpuPrivTime" type="Gauge"/>
        <attrib name="\Processor(_Total)\% User Time" alias="cpuUserTime" type="Gauge"/>
      </wpm>

      <!-- IIS stats -->
      <wpm name="IIS" keyvalue="\Web Service(_Total)\Bytes Total/sec" recheckInterval="86400000">
        <attrib name="\Web Service(_Total)\Total Bytes Transfered" alias="iisbytes" type="Counter"/>
        <attrib name="\Web Service(_Total)\Total CGI Requests" alias="iiscgireq" type="Counter"/>
        <attrib name="\Web Service(_Total)\Total Get Requests" alias="iisgetreq" type="Counter"/>
        <attrib name="\Web Service(_Total)\Total Head Requests" alias="iisheadreq" type="Counter"/>
        <attrib name="\Web Service(_Total)\Total Post Requests" alias="iispostreq" type="Counter"/>
        <attrib name="\Web Service(_Total)\Maximum Connections" alias="iismaxconn" type="Gauge"/>
      </wpm>

    </wpms>
  </nsclient-collection>
</nsclient-datacollection-config>