You can bring a physical port administratively up or down.
In SLX-OS, you can use the show interface ethernet command to see the status of the Ethernet interfaces on your device.
# efa inventory device interface set-admin-state --ip 10.x.x.x --if-type eth --if-name 0/31,0/32 --state up Admin-State Updated Successfully +----+------+----------------+--------------+ | ID | Name | Interface Type | Admin Status | +----+------+----------------+--------------+ | 51 | 0/32 | ethernet | up | +----+------+----------------+--------------+ | 15 | 0/31 | ethernet | up | +----+------+----------------+--------------+ Interface Details --- Time Elapsed: 18.235185378s ---