Hello,
None of those commands is supported on this plateform :
NSN@EXFNG39002-A> show pfe statistics traffic
error: command is not valid on the ex4500-40f
NSN@EXFNG39002-A> show class-of-service fabric statistics summary
error: command is not valid on the ex4500-40f
NSN@EXFNG39002-A> show chassis fabric statistics
error: command is not valid on the ex4500-40f
NSN@EXFNG39002-A> show chassis fabric statistics fpc
error: command is not valid on the ex4500-40f
NSN@EXFNG39002-A> show chassis fabric statistics cb
error: command is not valid on the ex4500-40f
Br.