Quality of Service
Workflow to Configure QoS Settings
Cisco 220 Series Smart Switches Administration Guide Release 1.1.0.x 250
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• All other user configurations remain intact.
Workflow to Configure QoS Settings
To configure the QoS parameters, perform the following:
STEP 1 Choose the QoS mode (basic, advanced, or disabled) for the switch, and assign
each interface a default CoS priority as described in the Configuring QoS
Properties section.
STEP 2 Assign the schedule method (Strict Priority or WRR) and bandwidth allocation for
WRR to the egress queues as described in the Configuring QoS Queues section.
STEP 3 Designate an egress queue to each CoS/802.1p priority as described in the
Mapping CoS/802.1p to a Queue section. If the switch is in CoS/802.1 trusted
mode, all incoming packets will be put into the designated egress queues
according to the CoS/802.1p priority in the packets.
STEP 4 Designate an egress queue to each IP precedence as described in the Mapping
IP Precedence to Queue section.
STEP 5 Designate an egress queue to each IP DSCP/TC value on the DSCP to Queue
page, as described in the Mapping DSCP to Queue section. If the switch is in
DSCP trusted mode, incoming packets are put into the egress queues based on
their DSCP/TC values.
STEP 6 Remark the CoS/802.1p priority, IP precedence, and/or DSCP value for egress
traffic on a port. The CoS/802.1p priority and IP precedence, or the CoS/802.1p
priority and the DSCP value can be remarked simultaneously, but the IP
precedence and DSCP values cannot be remarked simultaneously.
• Remark the CoS/802.1p priority for egress traffic from each queue as
described in the Mapping Queues to CoS/802.1p section.
• Remark the IP precedence for egress traffic from each queue as described
in the Mapping Queue to IP Precedence section.
• Remark the DSCP value for egress traffic from each queue as described in
the Mapping Queue to DSCP section.
STEP 7 Enter bandwidth and rate limits:
• Set ingress rate limit and egress shaping rate per port as described in the
Configuring Bandwidth section.
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