Hi,
the F5 iSeries Loadbalancers don’t report their chassis fan speeds via SNMP, only with CLI commands.
On a BIG-IP 5050 for example, you can query the speed with SNMP:
snmpwalk -Ons -c public -v 2c 127.0.0.1 sysChassisFanSpeed.1
sysChassisFanSpeed.1 = Gauge32: 11806
On an iSeries BIG-IP i4600 not:
snmpwalk -Ons -c public -v 2c 127.0.0.1 sysChassisFanSpeed.1
sysChassisFanSpeed.1 = Gauge32: 0
According to F5, this is normal behaviour: https://support.f5.com/csp/article/K18802953
With ipmiutil sensor and tmctl sensor_measurement_table, I receive all the needed values:
ipmiutil sensor
ipmiutil ver 2.94
isensor: version 2.94
-- BMC version 8.00, IPMI version 2.0
_ID_ SDR_Type_xx ET Own Typ S_Num Sens_Description Hex & Interp Reading
0001 SDR IPMB 12 12 dev: 20 00 ff 1e 00 PilotII
0002 SDR FRU 11 13 dev: 20 00 80 00 07 01 MAIN FRU
0003 SDR FRU 11 12 dev: 20 03 80 00 0c 01 LCD FRU
0004 SDR FRU 11 13 dev: 20 01 80 00 0a 01 PSU1 FRU
0005 SDR FRU 11 13 dev: 20 02 80 00 0a 02 PSU2 FRU
0006 SDR Full 01 01 20 a 04 snum 2a Fan_1 = 64 OK 10000.00 RPM
0007 SDR Full 01 01 20 a 04 snum 2b Fan_2 = 64 OK 10000.00 RPM
0008 SDR Full 01 01 20 a 04 snum 2c Fan_3 = 60 OK 9600.00 RPM
0009 SDR Full 01 01 20 a 04 snum 2d Fan_4 = 60 OK 9600.00 RPM
000a SDR Full 01 01 20 a 01 snum 45 CPU 0 = 29 OK 41.00 degrees C
000b SDR Full 01 01 20 a 01 snum 46 CPU 0 TCTL-Delta = d7 OK -41.00 degrees C
000c SDR Full 01 01 20 a 01 snum 10 Inlet = 18 OK 24.00 degrees C
000d SDR Full 01 01 20 a 01 snum 11 Inlet_TMP421_int = 1e OK 30.00 degrees C
000e SDR Full 01 01 20 a 01 snum 16 Outlet = 1c OK 28.00 degrees C
000f SDR Full 01 01 20 a 01 snum 17 Outlet_TMP421int = 20 OK 32.00 degrees C
0010 SDR Full 01 01 20 a 01 snum 12 HSB00 = 1e OK 30.00 degrees C
0011 SDR Full 01 01 20 a 01 snum 13 HSB00_TMP421_int = 1e OK 30.00 degrees C
0012 SDR Full 01 01 20 a 01 snum 14 HSB01 = 1d OK 29.00 degrees C
0013 SDR Full 01 01 20 a 01 snum 15 HSB01_TMP421_int = 1c OK 28.00 degrees C
0014 SDR Comp 02 6f 20 a 08 snum 1c PSU1 Status = 0001 Present
0015 SDR Comp 02 6f 20 a 08 snum 1d PSU2 Status = 0001 Present
0016 SDR Full 01 01 20 a 01 snum 51 PSU1 AC Inlet = 22 OK 34.00 degrees C
0017 SDR Full 01 01 20 a 01 snum 50 PSU1 AC Primary = 25 OK 37.00 degrees C
0018 SDR Full 01 01 20 a 01 snum 52 PSU1 AC Scndary = 27 OK 39.00 degrees C
0019 SDR Full 01 01 20 a 04 snum 4f PSU1 AC Tach = 3d OK 7808.00 RPM
001a SDR Full 01 01 20 a 02 snum 64 PSU1 AC Vin = cf OK 229.77 Volts
001b SDR Full 01 01 20 a 01 snum 5b PSU2 AC Inlet = 24 OK 36.00 degrees C
001c SDR Full 01 01 20 a 01 snum 5a PSU2 AC Primary = 26 OK 38.00 degrees C
001d SDR Full 01 01 20 a 01 snum 5c PSU2 AC Scndary = 29 OK 41.00 degrees C
001e SDR Full 01 01 20 a 04 snum 59 PSU2 AC Tach = 2f OK 6016.00 RPM
001f SDR Full 01 01 20 a 02 snum 7a PSU2 AC Vin = cf OK 229.77 Volts
0020 SDR Full 01 01 20 a 01 snum 38 PSU1 DC Ambient1 = 00 Init 0.00 degrees C
0021 SDR Full 01 01 20 a 01 snum 3a PSU1 DC Ambient2 = 00 Init 0.00 degrees C
0022 SDR Full 01 01 20 a 01 snum 39 PSU1 DC Sink = 00 Init 0.00 degrees C
0023 SDR Full 01 01 20 a 04 snum 37 PSU1 DC Tach = 00 Init 0.00 RPM
0024 SDR Full 01 01 20 a 02 snum 6a PSU1 DC Vin = 00 Init 0.00 Volts
0025 SDR Full 01 01 20 a 01 snum 42 PSU2 DC Ambient1 = 00 Init 0.00 degrees C
0026 SDR Full 01 01 20 a 01 snum 44 PSU2 DC Ambient2 = 00 Init 0.00 degrees C
0027 SDR Full 01 01 20 a 01 snum 43 PSU2 DC Sink = 00 Init 0.00 degrees C
0028 SDR Full 01 01 20 a 04 snum 41 PSU2 DC Tach = 00 Init 0.00 RPM
0029 SDR Full 01 01 20 a 02 snum 8a PSU2 DC Vin = 00 Init 0.00 Volts
002a SDR Comp 02 6f 20 a c0 snum 5e PG Status = 0101 Asserted
002b SDR Comp 02 6f 20 a c1 snum 5d Module Presence = 0041 _
002c SDR Comp 02 6f 20 a c6 snum 90 CPU Fault = 0000 _
002d SDR Comp 02 6f 20 a c5 snum 8f Power Fault = 0000 _
002e SDR Full 01 01 20 a 01 snum 78 LCD Temp = 21 OK 33.00 degrees C
002f SDR Comp 02 08 20 a c3 snum 58 LCD Health = 0000 _
0030 SDR Comp 02 6f 20 a c8 snum be FIPS Status = 0000 _
SDR IPMI sensor: Power On Hours = 5463 hours
ipmiutil sensor, completed successfully
tmctl sensor_measurement_table
key value_desc sensor_type value unit cur_action timestamp
---------------- ---------- ----------- ----- ---- ---------- ---------
CPU 0 degrees C 1 41 1 0
CPU 0 TCTL-Delta degrees C 1 -41 1 0
Fan_1 RPM 4 9600 18 0
Fan_2 RPM 4 9600 18 0
Fan_3 RPM 4 10000 18 0
Fan_4 RPM 4 9600 18 0
HSB00 degrees C 1 30 1 0
HSB00_TMP421_int degrees C 1 30 1 0
HSB01 degrees C 1 29 1 0
HSB01_TMP421_int degrees C 1 28 1 0
Inlet degrees C 1 24 1 0
Inlet_TMP421_int degrees C 1 30 1 0
LCD Temp degrees C 1 33 1 0
Outlet degrees C 1 28 1 0
Outlet_TMP421int degrees C 1 32 1 0
PSU1 AC Inlet degrees C 1 33 1 0
PSU1 AC Primary degrees C 1 37 1 0
PSU1 AC Scndary degrees C 1 39 1 0
PSU1 AC Tach RPM 4 7808 18 0
PSU1 AC Vin Volts 2 229 4 0
PSU2 AC Inlet degrees C 1 36 1 0
PSU2 AC Primary degrees C 1 38 1 0
PSU2 AC Scndary degrees C 1 41 1 0
PSU2 AC Tach RPM 4 6016 18 0
PSU2 AC Vin Volts 2 229 4 0
Is there any chance to get the readings with LibreNMS?