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ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 9 Configuring Resource Management
Configuring Service Class Overbooking
To configure overbooking on an individual service class, perform the following steps, beginning in
global configuration mode:
Example
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
Displaying the Interface Overbooking Configuration
To display the service class overbooking configuration, use the following user EXEC command:
Example
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 :
Command Purpose
Step 1
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.
Step 2
Switch(config-if)# shutdown Shuts down the interface prior to configuring
overbooking.
Step 3
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.
Step 4
Switch(config-if)# no shutdown Reenables the interface.
Command Purpose
show atm interface resource atm
card/subcard/port[.vpt#]
Displays the service class overbooking
configuration.