robust-count

Function

The robust-count command sets a global robustness variable for IGMP queriers.

The undo robust-count command restores the default value.

By default, the global robustness variable of IGMP queriers is 2.

robust-count robust-value

undo robust-count

Parameter	Description	Value
robust-value	Specifies the robustness variable of IGMP queriers. It is the number of times for retransmitting messages to compensate for packet loss.	The value is an integer ranging from 2 to 5.

Parameter

Description

Value

robust-value

Specifies the robustness variable of IGMP queriers. It is the number of times for retransmitting messages to compensate for packet loss.

The value is an integer ranging from 2 to 5.

IGMP view, VPN instance IGMP view

2: Configuration level

Task Name	Operations
igmp	write

Usage Scenario

A robustness variable is used to define the following values:

Number of times for sending general query messages when the IGMP querier starts
Number of times for sending group-specific query messages when the IGMP querier receives a Leave message
The function of this command is the same as the function of the igmp robust-count command used in the interface view. The configuration in the IGMP view is effective for all interfaces, whereas the configuration in the interface view is effective only for the specified interface. The configuration in the interface view takes precedence over the configuration in the IGMP view. The configuration in the IGMP view is used only when the configuration in the interface view is not available.

# Set the robustness variable of IGMP queriers to 3 in the IGMP view.

<HUAWEI> system-view
[~HUAWEI] multicast routing-enable
[*HUAWEI] igmp
[*HUAWEI-igmp] robust-count 3