rrdtool create test.rrd -s 300 DS:if02:COUNTER:600:U:U \ DS:if03:COUNTER:600:U:U \ DS:if04:COUNTER:600:U:U \ DS:if05:COUNTER:600:U:U \ DS:if06:COUNTER:600:U:U \ DS:if07:COUNTER:600:U:U \ DS:if08:COUNTER:600:U:U \ DS:if09:COUNTER:600:U:U \ DS:if10:COUNTER:600:U:U \ DS:if11:COUNTER:600:U:U \ DS:if12:COUNTER:600:U:U \ DS:if13:COUNTER:600:U:U \ DS:if14:COUNTER:600:U:U \ DS:if15:COUNTER:600:U:U \ DS:if16:COUNTER:600:U:U \ DS:if17:COUNTER:600:U:U \ DS:if18:COUNTER:600:U:U \ DS:if19:COUNTER:600:U:U \ DS:if20:COUNTER:600:U:U \ DS:if21:COUNTER:600:U:U \ DS:if22:COUNTER:600:U:U \ DS:if23:COUNTER:600:U:U \ DS:if24:COUNTER:600:U:U \ DS:if25:COUNTER:600:U:U \ DS:if26:COUNTER:600:U:U \ DS:if27:COUNTER:600:U:U \ DS:if28:COUNTER:600:U:U \ DS:if29:COUNTER:600:U:U \ DS:if30:COUNTER:600:U:U \ DS:if31:COUNTER:600:U:U \ DS:if32:COUNTER:600:U:U \ DS:if33:COUNTER:600:U:U \ DS:if34:COUNTER:600:U:U

rrdtool graph test.png \ –start=-86400 \ –end=-300 \ –base=1000 \ –title “大安 UBR CPU負載” \ –height=120 \ –alt-autoscale-max \ –lower-limit=0 \ –slope-mode \ -n TITLE:12:/usr/share/fonts/truetype/bsmi00lp.ttf \ –font DEFAULT:0:/usr/share/fonts/truetype/bsmi00lp.ttf \ DEF:c1=$rrd_data:c1:AVERAGE \ DEF:c2=$rrd_data:c2:AVERAGE \ DEF:c3=$rrd_data:c3:AVERAGE \ DEF:c4=$rrd_data:c4:AVERAGE \ DEF:c5=$rrd_data:c5:AVERAGE \ DEF:c6=$rrd_data:c6:AVERAGE \ COMMENT:&#

為 MRTG 進階版，原 MRTG 作者覺得 MRTG 有缺點(例如無法一個流量圖集合所有相關要統計的數據)所以便又著手開發 RRDTool，RRDTool 一樣是利用 SNMP 協定