Cisco Systems OL-7396-01 Manuel D’Utilisation

To configure overbooking on an individual service class, perform the following steps, beginning in 
global configuration mode:

The following example shows how to set the VBR-RT overbooking percentage to 200:

Switch(config)# interface atm 4/1/0

Switch(config-if)# shutdown

Switch(config-if)# atm cac overbooking vbr-rt 200

Switch(config-if)# no shutdown

To display the service class overbooking configuration, use the following user EXEC command:

The following example shows the service class overbooking configuration for service classes VBR-RT 
and UBR to 200 percent:

Switch# show atm interface resource atm 1/1/0

Resource Management configuration:

    Service Classes:

        Service Category map: none cbr, c2 vbr-rt, c3 vbr-nrt, c4 abr, c5 ubr

        Scheduling: WRR c2, WRR c3, WRR c4, WRR c5

        WRR Weight: 15 c2, 2 c3, 2 c4, 2 c5

    CAC Configuration to account for Framing Overhead : Disabled

    Pacing: disabled   0 Kbps rate configured, 0 Kbps rate installed

    overbooking :  disabled

    Per Class OverBooking :

interface atm card/subcard/slot[.vpt#]

Switch(config-if)# 

or

interface atm card/subcard/imagroup

Switch(config-if)# 

Specifies the physical interface to configure.

Specifies the IMA group interface to configure.

Switch(config-if)# shutdown

Shuts down the interface prior to configuring 
overbooking.

Switch(config-if)# atm cac overbooking 
{abr | vbr-nrt | vbr-rt | ubr} percent

Configures overbooking on the service class as a 
percentage of the maximum equivalent 
bandwidth available from 100 to 3200. A value of 
100 disables service class overbooking on the 
interface.

Switch(config-if)# no shutdown

Reenables the interface.

show atm interface resource atm 
card/subcard/port[.vpt#]

Displays the service class overbooking 
configuration.