/usr/bin/rrdtool graph - \
--imgformat=PNG \
--start=-86400 \
--end=-300 \
--title="NETSCREEN FIREWALL - Memory Free" \
--base=1000 \
--height=120 \
--width=500 \
--alt-autoscale-max \
--lower-limit=0 \
--vertical-label="Kb" \
DEF:a="/usr/share/cacti/site/rra/netscreen_firewall_snmp_oid_256.rrd":snmp_oid:AVERAGE \
AREA:a#96E78A:"Free Memory"  \
GPRINT:a:LAST:"Current\:%8.2lf %s"  \
GPRINT:a:AVERAGE:"Average\:%8.2lf %s"  \
GPRINT:a:MAX:"Maximum\:%8.2lf %s\n"