Reference Guide

496 Quality of Service
To add a class map to a policy:
1
Click Quality of Service > QoS Advanced Mode > Policy Class Maps to
display the
Policy Class Maps: Summary page.
2 Select a policy in the Policy Name field. The class maps in that policy are
displayed.
3 To add a class map, click Add .
4 Enter the parameters.
–
Policy Name — Select the policy to which the class map is being
added.
–
Class Map Name — Select an existing class map to be associated with
the policy. Class maps are created in the
Class Mapping pages.
–
Action Type — Select the action regarding the ingress CoS and/or
DSCP value of all the matching packets.
•
None — Ignore the ingress CoS and/or DSCP value. The
matching packets are sent as best effort.
•
Trust CoS-DSCP — If this option is selected, the switch will trust
the CoS or DSCP value of the matching packet. If a packet is an
IP packet, the switch will put the packet in the egress queue,
based on its DSCP value and the DSCP to Queue mapping.
Otherwise, the egress queue of the packet is based on the packet's
CoS value and the CoS to Queue mapping.
•
Set — See the description of this field below.
–
Set — If this option is selected, enter a New Value , which determines
the egress queue of the matching packets:
•
DSCP — If DSCP is selected, the new DSCP value and the
DSCP to Queue mapping determines the egress queue of the
matching packets.
•
Queue — If Queue is selected, the new value is the egress queue
number for all matching packets.
•
CoS — If CoS is selected, the CoS priority value and the CoS to
Queue mapping determines the egress queue of the matching
packets.