The devices are running NXOS: version 10.1(2).
in which config context can I find this command? I guess it should be under FEX configuration but there is no such command.
KSF-Nexus1(config-fex)# ?
description FEX description
hardware FEX Card type
no Negate the command
retimer HIF port retimer training
serial Chassis serial number
show Show running config
show Show running system information
end Go to exec mode
exit Exit from command interpreter
pop Pop mode from stack or restore from name
push Push current mode to stack or save it under name
where Shows the cli context you are in
