Reference (Supporting Fabric OS v7.3.0) Owner manual

956 Fabric OS Command Reference
53-1003131-01
portTest
2
-4
All E_Ports.
-5
All N->N loopback ports.
EXAMPLES To run a functional test on an active switch:
switch:admin> porttest -ports 1/1-1/3
SEE ALSO portLoopbackTest, portTestShow, spinFab, stopPortTest