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Configuring QoS - General
Cisco Small Business 300 Series Managed Switch Administration Guide 424
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• Committed Burst Size (CBS) is the burst of data that is allowed to be sent,
even though it is above the CIR. This is defined in number of bytes of data.
To enter bandwidth limitation:
STEP 1 Click Quality of Service > General > Bandwidth.
The Bandwidth page displays bandwidth information for each interface.
The % column is the ingress rate limit for the port divided by the total port
bandwidth.
STEP 2 Select an interface, and click Edit.
STEP 3 Select the Port or LAG interface.
STEP 4 Enter the fields for the selected interface:
• 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.