Cisco 4500M Command Reference Manual page 249

Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Command History Release
12.1(13)EW
Examples
This example shows how to enable DBL globally on the switch:
Switch(config)# qos dbl
Global DBL enabled
Switch(config)#
This example shows how to enable DBL in the QoS policy-map class configuration mode:
Switch(config)# class-map c1
Switch(config-cmap)# policy p1
Switch(config-pmap)# class c1
Switch(config-pmap-c)# dbl
Switch(config-pmap-c)#
Related Commands
show qos dbl
78-16201-01
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
qos dbl
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