Chapter 36 Configuring Inverse Muliplexing over ATM

How to Configure ATM Class of Service

 

Command

Purpose

 

 

 

Step 4

pvc VPI/VCI l2transport

Specifies the VPI and VCI of the PVC and configures the PVC in

 

 

layer 2 transport mode.

 

Example:

l2transport is an optional field.

 

Router(config-if)# pvc 100/12

 

 

l2transport

 

 

 

 

Step 5

ubr rate

Configures the UBR QoS class for an ATM permanent virtual circuit

 

 

(PVC) and specifies the bandwidth. By default a value is set to UBR

 

Example:

ATM class of service with the rate equal to the bandwidth of the

 

IMA interface, which in turn is a product of the number of active

 

Router(config-if-atm-vc)# ubr 16000

 

IMA links and the bandwidth of each link.

 

 

 

 

rate—Peak cell rate in Kbps.

 

 

 

Configuring Unspecified Bit Rate Plus

Complete the following steps to configure Unspecified Bit Rate Plus (UBR+) QoS class for an ATM permanent virtual circuit () and to specify the bandwidth on the Cisco ASR 901 series router.

SUMMARY STEPS

1.enable

2.configure terminal

3.interface ATMslot/imagroup-number

4.pvc VPI/VCI l2transport

5.ubr+ pcr-rate mcr-rate

DETAILED STEPS

 

Command

Purpose

 

 

 

Step 1

enable

Enables privileged EXEC mode.

 

 

Enter your password if prompted.

 

Example:

 

 

Router> enable

 

 

 

 

Step 2

configure terminal

Enters the global configuration mode.

 

Example:

 

 

Router# configure terminal

 

 

 

 

Step 3

interface ATMslot/IMAgroup-number

Configures an ATM interface and enters the interface configuration

 

 

mode.

 

Example:

 

 

Router(config)# interface ATM1/IMA0

 

 

 

 

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

 

 

OL-23826-09

 

 

36-13

 

 

 

 

 

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Cisco Systems A9014CFD Configuring Unspecified Bit Rate Plus, ATM class of service with the rate equal to the bandwidth