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| Quality of Service Commands
C
42
HAPTER
class-map
To create a service policy for a specific category of ingress traffic, follow
these steps:
Use the
class-map
command to designate a class name for a specific
1.
category of traffic, and enter the Class Map configuration mode.
Use the
match
command to select a specific type of traffic based on an
2.
access list, an IPv4 DSCP value, IPv4 Precedence value, IPv6 DSCP
value, a VLAN, or a CoS value.
Use the
policy-map
3.
manner in which ingress traffic will be handled, and enter the Policy
Map configuration mode.
Use the
class
command to identify the class map, and enter Policy Map
4.
Class configuration mode. A policy map can contain up to 16 class
maps.
Use the
set phb
or
set cos
5.
the class of service value in the VLAN tag for the matching traffic class,
and use one of the police commands to monitor parameters such as
the average flow and burst rate, and drop any traffic that exceeds the
specified rate, or just reduce the DSCP service level for traffic
exceeding the specified rate.
Use the
service-policy
6.
interface.
Create a Class Map before creating a Policy Map.
N
:
OTE
This command creates a class map used for matching packets to the
specified class, and enters Class Map configuration mode. Use the no form
to delete a class map.
S
YNTAX
[no] class-map class-map-name match-any
class-map-name - Name of the class map. (Range: 1-32 characters)
match-any - Match any condition within a class map.
D
S
EFAULT
ETTING
None
C
M
OMMAND
ODE
Global Configuration
– 1408 –
command to designate a policy name for a specific
command to modify the per-hop behavior,
command to assign a policy map to a specific
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