VPN QoS is a mechanism that ensures each type of traffic gets specified bandwidth by means of bandwidth restriction and queue scheduling. VPN QoS allows different types of traffic to be scheduled based on service classes and VIP traffic to be preferentially transmitted during traffic congestion.
The VPN services carried over a tunnel have different resource requirements. To meet the resource requirements of VPWS services carried over a tunnel without affecting the quality of other VPN services, you need to configure VPWS QoS.
The VPN services carried over a tunnel have different resource requirements. To meet the resource requirements of VPLS services carried over a tunnel without affecting the quality of other VPN services, you need to configure VPLS QoS.