Hi,
Yes, but F Series modules and M2 modules support shaping in the priority queue, so other queues are not saturated.
Additionally they should not applied on Vlan interfaces, but physical interfaces.
You can use the following link as reference:
Cisco Nexus 7000 Series NX-OS Quality of Service Configuration Guide - Configuring Queuing and Scheduling on F-Series …
Rgds,
Henrique
