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Quality of Service
Configuring QoS - General
Cisco Small Business 200 Series Smart Switch Administration Guide 316
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• Ingress Rate Limit—Select to enable the ingress rate limit, which is defined
in the field below.
• Ingress Rate Limit—Enter the maximum amount of bandwidth allowed on
the interface.
NOTE The two Ingress Rate Limit fields do not appear when the interface
type is LAG.
• Ingress Committed Burst Size (CBS)—Enter the maximum burst size of
data for the ingress interface in bytes of data. This amount can be sent even
if it temporarily increases the bandwidth beyond the allowed limit. This field
is only available if the interface is a port.
• Egress Shaping Rate—Select to enable egress shaping on the interface.
• Committed Information Rate (CIR)—Enter the maximum bandwidth for the
egress interface.
• Egress Committed Burst Size (CBS)—Enter the maximum burst size of data
for the egress interface in bytes of data. This amount can be sent even if it
temporarily increases the bandwidth beyond the allowed limit.
STEP 5 Click Apply. The bandwidth settings are written to the Running Configuration file.
Configuring Egress Shaping per Queue
In addition to limiting transmission rate per port, which is done in the Bandwidth
page, the device can limit the transmission rate of selected egressing frames on a
per-queue per-port basis. Egress rate limiting is performed by shaping the output
load.
The device limits all frames except for management frames. Any frames that are
not limited are ignored in the rate calculations, meaning that their size is not
included in the limit total.
Per-queue Egress rate shaping can be disabled.