H3C LS-3100-52P-OVS-H3 Operation Manual - page 1264
2-9
z
QoS policies cannot be applied to dynamic VLANs, for example, VLANs created by GVRP.
z
Do not apply a QoS policy to a VLAN and the ports in the VLAN at the same time.
z
A policy configured with the nest action, the remark customer-vlan-id action, or the remark
service-vlan-id action cannot be applied to a VLAN.
Applying a QoS policy globally
A QoS policy applied globally takes effect on all ports on the device. Only one policy can be applied
globally in one direction (inbound or outbound).
Follow these steps to apply a QoS policy globally:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Apply the QoS policy globally
qos apply policy policy-name global
{ inbound | outbound }
Required
A policy configured with the nest action, the remark customer-vlan-id action, or the remark
service-vlan-id action cannot be applied globally.
Support for QoS actions in different directions
Before creating and applying a QoS policy, you must be aware that some QoS actions are supported
only in a particular traffic direction, as shown in
Table 2-2
:
Table 2-2 Support for QoS actions in different traffic directions
Direction (right)
Action (below)
Inbound
Outbound
Traffic accounting
Supported
Supported
Traffic policing
Supported
Supported
Traffic filtering
Supported
Supported
Traffic mirroring
Supported
Supported
Tagging packets with an outer VLAN tag
Supported
Not supported
Traffic redirecting
Supported
Not supported
Marking customer VLAN IDs
Not supported
Supported
Marking 802.1p priority
Supported
Supported
Marking drop precedence
Supported
Not supported
Marking DSCP precedence Supported
Supported