JUNOSe 9.1.x Quality of Service Configuration Guide > Configuring IP Multicast Bandwidth Adjustment with QoS Parameters > Configuring a Parameter Definition for IP Multicast Bandwidth Adjustment

Configuring a Parameter Definition for IP Multicast Bandwidth Adjustment

Before you configure a parameter definition for IP multicast bandwidth:

• Define a multicast bandwidth map and the QoS adjustment for a virtual router.

See JUNOSe Multicast Routing Configuration Guide, Chapter 5, Configuring IPv4 Multicast and JUNOSe Multicast Routing Configuration Guide, Chapter 10, Configuring IPv6 Multicast.

To associate a parameter instance with the IP multicast bandwidth adjustment application:

1. Configure traffic classes.

host1(config)#traffic-class voice

host1(config-traffic-class)#exit

host1(config)#traffic-class best-effort

host1(config-traffic-class)#exit

2. Create a parameter definition.

1. Configure the QoS parameter name and the application.

host1(config)#qos-parameter-define ipm application ip-multicast hierarchical

2. Configure a controlled-interface type.

host1(config-qos-parameter-define)#controlled-interface-type vlan

host1(config-qos-parameter-define)#exit

3. Create a parameter instance that globally defines the value of the IP multicast adjustment as 0.

host1(config)#qos-parameter ipm 0

4. Reference the parameter within a scheduler profile parameter expression.

host1(config)#scheduler-profile vlan-subscriber

host1(config-scheduler-profile)#shared-shaping-rate 1000000 - ipm burst 50 
milliseconds auto

host1(config-scheduler-profile)#exit

5. Add the scheduler profile to a QoS profile.

host1(config)#qos-profile vlan-subscriber

host1(config-qos-profile)#vlan queue traffic-class best-effort

host1(config-qos-profile)#vlan queue traffic-class voice scheduler-profile 192k

host1(config-qos-profile)#vlan node scheduler-profile vlan-subscriber

host1(config-qos-profile)#exit

6. Attach the parameter definition to a logical interface.

host1(config)#interface gigabitEthernet 7/0

host1(config-if)#encapsulation vlan

host1(config-if)#exit

host1(config)#interface gigabitEthernet 7/0.1

host1(config-if)#vlan id 200

host1(config-if)#qos-profile vlan-subscriber

host1(config-if)#ip address 1.1.1.1 255.255.255.0

After the QoS profile is attached to the interface, the IP multicast bandwidth adjustment application begins to adjust rates based on IGMP joins and leaves received on that interface.

Related Topics

• IP Multicast Bandwidth Adjustment for QoS Overview
• Example: QoS Parameter Configuration for IP Multicast Bandwidth Adjustment
• controlled-interface-type command
• encapsulation vlan command
• interface gigabitEthernet command
• node command
• qos-parameter-define command
• qos-profile command
• queue command
• scheduler-profile command
• shared-shaping-rate command
• traffic-class command
• vlan id command