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Quality of Service
QoS Features and Components
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
STEP 8
Cisco 350XG & 550XG Series 10G Stackable Managed Switches
•
When disabling QoS, the shaper and queue setting (WRR/SP bandwidth
setting) are reset to default values.
All other user configurations remain intact.
QoS Workflow
To configure general QoS parameters, perform the following:
Choose the QoS mode (Basic, Advanced, or Disabled, as described in the
Modes"
section) for the system by using the
steps in the workflow, assume that you have chosen to enable QoS.
Assign each interface a default CoS priority by using the
Assign the schedule method (Strict Priority or WRR) and bandwidth allocation for
WRR to the egress queues by using the
Designate an egress queue to each IP DSCP/TC value with the
page. If the device is in DSCP trusted mode, incoming packets are put into the
egress queues based on the their DSCP/TC value.
Designate an egress queue to each CoS/802.1p priority. If the device is in CoS/
802.1 trusted mode, all incoming packets are put into the designated egress
queues according to the CoS/802.1p priority in the packets. This is done by using
the
CoS/802.1p to a Queue
If required for Layer 3 traffic only, assign a queue to each DSCP/TC value, by using
the
DSCP to Queue
Enter bandwidth and rate limits in the following pages:
a. Set egress shaping per queue by using the
b. Set ingress rate limit and egress shaping rate per port by using the
page.
Configure the selected mode by performing one of the following:
a. Configure Basic mode, as described in
Mode
b. Configure Advanced mode, as described in
QoS
Mode.
Queue
page.
page.
QoS Properties
page. The following
QoS Properties
page.
Egress Shaping per Queue
Workflow to Configure Basic QoS
Workflow to Configure Advanced
26
"QoS
page.
DSCP to Queue
page.
Bandwidth
556
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