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Configuring QoS
Configuring QoS
Command
1.
configure terminal
2.
policy-map policy-map-name
3.
class {class-map-name | class-default}
4.
police {rate-bps | cir cir-bps} [burst-bytes |
bc burst-bytes]
5.
conform-action cos {cos_value | cos [table
table-map-name] | dscp [table
table-map-name] | precedence [table
table-map-name]}
or
conform-action [ip] dscp {dscp_value | cos
[table table-map-name] | dscp [table
table-map-name] | precedence [table
table-map-name]}
or
conform-action [ip] precedence
{precedence_value | cos [table
table-map-name] | dscp [table
table-map-name] | precedence [table
table-map-name]}
or
conform-action qos-group value
or
transmit
Purpose
Enter global configuration mode.
Create a policy map by entering the policy map name, and enter
policy-map configuration mode. By default, no class maps are
defined.
Enter a class-map name or class-default to match all unclassified
packets, and enter policy-map class configuration mode.
If you enter a class-map name, you must have already created the
class map by using the class-map global configuration command.
Define a policer for the class of traffic.
By default, no policer is defined.
For rate-bps, specify average traffic rate in bits per second
(bps). The range is 8000 to 1000000000.
For cir cir-bps, specify a committed information rate (CIR) in
bits per second (bps). The range is 8000 to 1000000000.
For burst-bytes (optional), specify the normal burst size in
bytes. The range is 8000 to 1000000.
For bc burst-bytes (optional), specify the conformed burst (bc)
or the number of acceptable burst bytes. The range is 8000 to
1000000.
(Optional) Enter the action to be taken on packets that conform to
the CIR.
For cos cos_value, enter a new CoS value to be assigned to the
classified traffic. The range is 0 to 7.
For [ip] dscp dscp_value, enter a new DSCP value to be
assigned to the classified traffic. The range is 0 to 63.
For [ip] precedence precedence_value, enter a new
IP-precedence value to be assigned to the classified traffic.
The range is 0 to 7.
Or you can configure a CoS, DSCP, or IP precedence table and
optionally enter the table name. If you do not enter table
table-map name, the table map default behavior is copy. See
Configuring Table Maps, page
For qos-group value, identify a QoS group to be used at egress
to identify specific packets. The range is from 0 to 99.
Note:
You can enter a single conform-action as part of the
command string following the police command. You can also press
Enter after the police command to enter policy-map class police
configuration mode, where you can enter multiple actions. In
policy-map class police configuration mode, you must enter an
action to take.
612
608.
- Quick Links:
- Configuration Overview
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