12-17
Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 12 Sharing Bandwidth Fairly During Congestion
Configuring Fair Bandwidth Sharing During Congestion
Modifying the Queue Limit for an Existing Policy Map Class
To change the maximum number of packets that can accrue in a queue reserved for an existing class,
enter the following commands beginning in global configuration mode:
Deleting Classes
To delete one or more classes from a policy map, enter the following commands beginning in global
configuration mode:
Command
Purpose
Step 1
Router(config)#
policy-map
policy-map-name
Creates or modifies a policy map. Enters policy-map
configuration mode.
policy-map-name
is the name of the policy map containing
the class you want to modify.
Step 2
Router(config-pmap)#
class
class-map-name
Creates or modifies a traffic class in a policy map. Enters
policy-map class configuration mode.
class-map-name
is the name of the class whose queue limit
you want to modify. This is the name of a previously
configured class map.
Step 3
Router(config-pmap-c)#
queue-limit
number-of-packets
Specifies the maximum number of packets that the queue can
accumulate for this class.
number-of-packets
is a number from 1 to 64. The default
number of queue entries is based on the bandwidth rate.
Note
When you specify the
queue-limit
command, the
router uses tail drop to drop packets.
Command
Purpose
Step 1
Router(config)#
policy-map
policy-map-name
Creates or modifies a policy map. Enters policy-map
configuration mode.
policy-map-name
is the name of the policy map containing the
classes you want to delete.
Step 2
Router(config-pmap)#
no class
class-map-name
Deletes the class you specify.
class-map-name
is the name of the traffic class you want to delete.
This is the name of a previously configured class map.