Class-map 832, Class-map – Microsens MS453490M Management Guide User Manual

Page 832

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C

HAPTER

36

| Quality of Service Commands

– 832 –

To create a service policy for a specific category of ingress traffic, follow

these steps:

1.

Use the

class-map

command to designate a class name for a specific

category of traffic, and enter the Class Map configuration mode.

2.

Use the

match

command to select a specific type of traffic based on an

access list, a DSCP or IP Precedence value, or a VLAN.

3.

Use the

policy-map

command to designate a policy name for a specific

manner in which ingress traffic will be handled, and enter the Policy

Map configuration mode.

4.

Use the

class

command to identify the class map, and enter Policy Map

Class configuration mode. A policy map can contain up to 16 class

maps.

5.

Use the

set phb

or

set cos

command to modify the per-hop behavior or

class of service 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.

6.

Use the

service-policy

command to assign a policy map to a specific

interface.

N

OTE

:

Create a Class Map before creating a Policy Map.

class-map

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: 1-16 characters)
match-any - Match any condition within a class map.

D

EFAULT

S

ETTING

None

C

OMMAND

M

ODE

Global Configuration

C

OMMAND

U

SAGE

First enter this command to designate a class map and enter the Class

Map configuration mode. Then use

match

commands to specify the

criteria for ingress traffic that will be classified under this class map.

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