Attempting to check FIPS status on the Citrix ADC MPX 8900 FIPS certified appliance or the Citrix ADC MPX 15000-50G FIPS certified appliance using the show fips command results in the error message "ERROR: Operation not permitted - no FIPS card present in the system."
show system fipsStatus
For more information, please see the Citrix ADC MPX FIPS certified appliances documentation below.
For more details about FIPS:
Citrix ADC FIPS Compliance/Validation FAQ
show fips show ssl fips
Citrix ADC 12.1 : SSL Offload and Acceleration : Citrix ADC MPX FIPS certified appliances
https://docs.citrix.com/en-us/citrix-adc/12-1/ssl/citrix-adc-mpx-fips-certified-appliance.html
Citrix Hardware Platforms : Citrix ADC MPX : Citrix ADC MPX hardware-software compatibility matrix
https://docs.citrix.com/en-us/citrix-hardware-platforms/mpx/mpx-hardware-software-compatibility-matrix.html