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Quality of Service Commands
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set
This command services IP traffic by setting a CoS, DSCP, or IP Precedence value in
a matching packet (as specified by the match command on page 4-220). Use the
no form to remove the traffic classification.
Syntax
[
no
]
set
{
cos
new-cos |
ip dscp
new-dscp |
ip precedence
new-precedence}
• new-cos - New Class of Service (CoS) value. (Range: 0-7)
• new-dscp - New Differentiated Service Code Point (DSCP) value.
(Range: 0-63)
• new-precedence - New IP Precedence value.
(Range: 0-7)
Default Setting
None
Command Mode
Policy Map Class Configuration
Example
This example creates a policy called “rd_policy,” uses the class command to specify
the previously defined “rd_class,” uses the set command to classify the service that
incoming packets will receive, and then uses the police command to limit the
average bandwidth to 100,000 Kbps, the burst rate to 1522 bytes, and configure the
response to drop any violating packets.
police
This command defines an policer for classified traffic. Use the no form to remove a
policer.
Syntax
[
no
]
police
rate-kbps burst-byte [
exceed-action
{
drop
|
set
}]
•
rate-kbps
- Rate in kilobits per second. (Range: 1-100000 kbps or maximum
port speed, whichever is lower)
• burst-byte - Burst in bytes. (Range: 64-1522 bytes)
• drop - Drop packet when specified rate or burst are exceeded.
• set - Set DSCP service to the specified value. (Range: 0-63)
Default Setting
Drop out-of-profile packets.
Command Mode
Policy Map Class Configuration
Console(config)#policy-map rd_policy
Console(config-pmap)#class rd_class
Console(config-pmap-c)#set ip dscp 3
Console(config-pmap-c)#police 100000 1522 exceed-action drop
Console(config-pmap-c)#