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To explicitly enable IGMP:

1. If PIM and DVMRP are not running on the interface, explicitly enable IGMP by including

the interface name.

[edit protocols igmp]

user@host# set interface fe-0/0/0.0

2. See if IGMP is disabled on any interfaces. In the following example, IGMP is disabled

on a Gigabit Ethernet interface.

[edit protocols igmp]

user@host# show

interface fe-0/0/0.0;

interface ge-1/0/0.0 {

disable;

}

3. Enable IGMP on the interface by deleting the disable statement.

[edit protocols igmp]

delete interface ge-1/0/0.0 disable

4. Verify the configuration.

[edit protocols igmp]

user@host# show

interface fe-0/0/0.0;

interface ge-1/0/0.0;

5. Verify the operation of IGMP on the interfaces by checking the output of the show

igmp interface command.

Documentation

Understanding IGMP on page 445•

• Disabling IGMP on page 450

• show igmp interface

Configuring IGMP

Before you begin:

1. Determine whether the router is directly attached to any multicast sources. Receivers

must be able to locate these sources.

2. Determine whether the router is directly attached to any multicast group receivers. If

receivers are present, IGMP is needed.

3. Determine whether to configure multicast to use sparse, dense, or sparse-dense mode.

Each mode has different configuration considerations.

4. Determine the address of the RP if sparse or sparse-dense mode is used.

ACX Series Universal Access Router Configuration Guide

Juniper ACX2000 Configuration Guide

Other manuals for Juniper ACX2000