wlan statistics:
-snr-day.png
--imginfo '
'
--lazy -i -a PNG
--title="Signal/Noise Ratio (SNR) (Day)"
-v dBm
-l 0
DEF:s=/var/lib/rrd/wlan-.rrd:signal:AVERAGE
DEF:n=/var/lib/rrd/wlan-.rrd:noise:AVERAGE
CDEF:snr=s,n,-
AREA:snr#FF1111:SNR
LINE1:snr#990000
GPRINT:snr:MIN:" Min\: %2.lf"
GPRINT:snr:MAX:" Max\: %2.lf"
GPRINT:snr:AVERAGE:" Avg\: %4.1lf"
GPRINT:snr:LAST:" Current\: %2.lf dB"
HRULE:0#000000>
-snr-week.png
--imginfo '
'
--lazy -i -a PNG
--title="Signal/Noise Ratio (SNR) (Week)"
-v dBm
-l 0
-s -1week
DEF:s=/var/lib/rrd/wlan-.rrd:signal:AVERAGE
DEF:n=/var/lib/rrd/wlan-.rrd:noise:AVERAGE
CDEF:snr=s,n,-
AREA:snr#FF1111:SNR
LINE1:snr#990000
GPRINT:snr:MIN:" Min\: %2.lf"
GPRINT:snr:MAX:" Max\: %2.lf"
GPRINT:snr:AVERAGE:" Avg\: %4.1lf"
GPRINT:snr:LAST:" Current\: %2.lf dB"
HRULE:0#000000>
-snr-month.png
--imginfo '
'
--lazy -i -a PNG
--title="Signal/Noise Ratio (SNR) (Month)"
-v dBm
-l 0
-s -1month
DEF:s=/var/lib/rrd/wlan-.rrd:signal:AVERAGE
DEF:n=/var/lib/rrd/wlan-.rrd:noise:AVERAGE
CDEF:snr=s,n,-
AREA:snr#FF1111:SNR
LINE1:snr#990000
GPRINT:snr:MIN:" Min\: %2.lf"
GPRINT:snr:MAX:" Max\: %2.lf"
GPRINT:snr:AVERAGE:" Avg\: %4.1lf"
GPRINT:snr:LAST:" Current\: %2.lf dB"
HRULE:0#000000>
-snr-year.png
--imginfo '
'
--lazy -i -a PNG
--title="Signal/Noise Ratio (SNR) (Year)"
-v dBm
-l 0
-s -1year
DEF:s=/var/lib/rrd/wlan-.rrd:signal:AVERAGE
DEF:n=/var/lib/rrd/wlan-.rrd:noise:AVERAGE
CDEF:snr=s,n,-
AREA:snr#FF1111:SNR
LINE1:snr#990000
GPRINT:snr:MIN:" Min\: %2.lf"
GPRINT:snr:MAX:" Max\: %2.lf"
GPRINT:snr:AVERAGE:" Avg\: %4.1lf"
GPRINT:snr:LAST:" Current\: %2.lf dB"
HRULE:0#000000>