Cisco Systems EA6500 Manual De Usuario

To configure filtering in a class map, perform one of these tasks: 

With an MSFC2, Release 12.1(13)E and later releases support the match protocol class map 
command, which configures NBAR and sends all traffic on the Layer 3 interface, both ingress and 
egress, to be processed in software on the MSFC2. To configure NBAR, refer to this publication:

Earlier releases provide PFC QoS and Layer 3 switching in hardware, which prevents support of the 
match protocol class map command except for traffic being processed in software on the MSFC.

PFC QoS supports class maps that contain a single match command.

PFC QoS does not support the match cos, match any, match classmap, match 
destination-address, match input-interface, match mpls, match qos-group, and match 
source-address class map commands.

Catalyst 6500 series switches do not detect the use of unsupported commands until you attach a 
policy map to an interface (see the 

To verify class map configuration, perform this task: 

Router(config-cmap)# match access-group name 

acl_index_or_name 

(Optional) Configures the class map to filter using an ACL.

Router(config-cmap)# no match access-group name 

acl_index_or_name 

Clears the ACL configuration from the class map.

Router (config-cmap)# match ip precedence ipp_value1 

[ipp_value2 [ipp_valueN]] 

(Optional—for IP traffic only) Configures the class map to 
filter on up to eight IP precedence values. 

Router (config-cmap)# no match ip precedence 

ipp_value1 [ipp_value2 [ipp_valueN]] 

Clears configured IP precedence values from the class map. 

Router (config-cmap)# match ip dscp dscp_value1 

[dscp_value2 [dscp_valueN]] 

(Optional—for IP traffic only) Configures the class map to 
filter on up to eight DSCP values. 

Router (config-cmap)# no match ip dscp dscp_value1 

[dscp_value2 [dscp_valueN]] 

Clears configured DSCP values from the class map.

Router (config-cmap)# end 

Exits configuration mode.

Router# show class-map class_name 

Verifies the configuration.