Update Link Speed
To change link speeds between spine-leaf and superspine-spine you must change the rack.
Update Link Speed (Topology View)
From the Topology view, you can update one link speed at a time. (You can update more than one link speed at a time from the Links view; see the next section.)
When you're ready to activate your changes, commit them from the Uncommitted tab.
Update Link Speed (Links View)
From the Links view you can
update one or more link speeds at the same time.
When you're ready to activate your changes, commit them from the Uncommitted tab.