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On the C-Series and S-Series all traffic is by default mapped to the same queue, Queue 0. If you honor
dot1p on ingress, then you can create service classes based the queueing strategy using the command
service-class dynamic dot1p from INTERFACE mode. You may apply this queuing strategy to
all interfaces by entering this command from CONFIGURATION mode.
•
•
service-class bandwidth-weight
c s
Specify a minimum bandwidth for queues
Syntax
service-class bandwidth-weight queue0 number queue1 number queue2 number queue3
number
Parameters
number
Defaults
None
Command Modes
CONFIGURATION
Command
Version 8.2.1.0
History
Usage
Guarantee a minimum bandwidth to different queues globally using the command service-class
Information
bandwidth-weight from CONFIGURATION mode. The command is applied in the same way as the
bandwidth-weight command in an output QoS policy. The bandwidth-weight command in
QOS-POLICY-OUT mode supersedes the service-class bandwidth-weight command.
show interfaces rate
e
Display information of either rate limiting or rate policing on the interface.
Syntax
show interfaces [interface] rate [limit | police]
Parameters
interface
limit
police
All dot1p traffic is mapped to Queue 0 unless service-class dynamic dot1p is enabled on an
interface or globally.
Layer 2 or Layer 3 service policies supercede dot1p service classes.
Enter the bandwidth-weight. The value must be a power of 2.
Range 1-1024.
Introduced on C-Series and S-Series.
(OPTIONAL) Enter the following keywords and slot/port or number information:
•
For a 100/1000 Ethernet interface, enter the keyword
followed by the slot/port information.
•
For a 1-Gigabit Ethernet interface, enter the keyword
followed by the slot/port information.
•
For a SONET interface, enter the keyword
information.
•
For a 10-Gigabit Ethernet interface, enter the keyword
followed by the slot/port information.
(OPTIONAL) Enter the keyword
(OPTIONAL) Enter the keyword
GigabitEthernet
GigabitEthernet
sonet
followed by the slot/port
TenGigabitEthernet
limit
to view the outgoing traffic rate.
police
to view the incoming traffic rate.
Quality of Service (QoS) | 1185
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