Ref : - https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/netflow/configuration/xe-3s/asr1000/nf-xe-3s-asr1000-book/cfg-nflow-data-expt-xe.html#GUID-31C30C07-1F49-4B59-B03C-0B0062006A0B
(Seems likely. no experience on my own though)
-- ' A nun once asked a penguin ' do you think the earth is flat ? ; the penguin replied :
Madam, it all depends , in Riemann geometries the earth can be perfectly flat! The nun thanked him , he tripped and fell forward : the poor animal had forgotten that he might be living in a Riemann geometry too!