Diagnostics

The Cisco Nexus 3550-H Hydra (formerly ExaLINK Hydra) incorporates many in-built diagnostics functions that can be used to monitor the device.

Sensors and monitors

The Nexus 3550-H contains many useful statistics that can be read from the various sensors on the device. The show environment command will show temperature sensors, fan speeds and power supply statistics.

admin@EXALINK-HYDRA# show environment
Sensor          Temperature
--------------- -----------
1V0_X           35.38 C
1V0_Y           49.88 C
1V0_Z           48.00 C
1V8             41.00 C
CDR             47.98 C
CPU             26.80 C
Crosspoint      33.45 C
FPGA_K7         36.79 C
FPGA_S7         31.00 C
Mainboard_Left  32.62 C
Mainboard_Right 31.00 C
NVME0           44.00 C
PSU1            39.50 C
PSU2            34.00 C
Port_ethernet10 37.14 C
Port_ethernet11 41.44 C
Port_ethernet12 43.00 C
Port_ethernet13 31.23 C

Fan Module Fan 1 RPM Fan 2 RPM Fan 3 RPM Fan 4 RPM Direction
---------- --------- --------- --------- --------- -------------
FAN1       1867      1772      1877      1731      front-to-back
FAN2       1942      1720      1885      1758      front-to-back
FAN3       1769      1737      1739      1738      front-to-back

Power Supply Input Voltage Input Current Input Power Output Voltage Output Current Output Power Fan Direction
------------ ------------- ------------- ----------- -------------- -------------- ------------ -------------
PSU1         238.50 V      0.47 A        60.00 W     12.07 V        4.12 A         50.00 W      front-to-back
PSU2         239.50 V      0.36 A        36.00 W     12.08 V        2.25 A         26.00 W      front-to-back