igmp query auto-send

Function

The igmp query auto-send command enables a BAS interface to proactively send Query messages.

The undo igmp query auto-send command disables a BAS interface from proactively sending Query messages.

By default, a BAS interface is not enabled to proactively send Query messages.

Format

igmp query auto-send

undo igmp query auto-send

Parameters

None

Views

BAS interface view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
mcast-base	write

Usage Guidelines

Usage Scenario

If a downstream device does not have static router interfaces configured and cannot send user Join/Leave messages, the upstream BRAS device fails to learn user join/leave information. To resolve this issue, run the igmp query auto-send command on a BAS interface of the BRAS device, so that the BRAS device can proactively send Query messages to generate a dynamic router interface and learn user join/leave information, without depending on Join/Leave messages from the downstream device.

Precautions

This command applies only to GE interfaces, GE sub-interfaces, trunk interfaces, trunk sub-interfaces, and VE sub-interfaces on which the bas command has been run.
The igmp query auto-send and user-vlan any-other commands cannot be both run on the same sub-interface.
In VS mode, this command is supported only by the admin VS.

Example

# Enable a device to send IGMP Query messages in the BAS view of GE 0/1/0.1.

<HUAWEI> system-view
[~HUAWEI] interface GigabitEthernet 0/1/0.1
[*HUAWEI-GigabitEthernet0/1/0.1] commit
[*HUAWEI-GigabitEthernet0/1/0.1] bas
[*HUAWEI-GigabitEthernet0/1/0.1-bas] igmp query auto-send