igmp require-router-alert
The S9300 is configured to ignore the IGMP messages that do not contain the Router-
Alert option.
4. Run:
igmp send-router-alert
The S9300 is configured to add the Router-Alert option to the IGMP message header.
NOTE
After you run the igmp send-router-alert command, information about the Router-Alert
option will not be displayed when you view the current configuration. To view information
about the Router-Alert option, run the undo igmp send-router-alert command first.
----End
2.5.3 Configuring the IGMPv1 Querier
Context
The IGMP querier can be configured globally or on an interface.
l The global configuration is valid for each interface.
l The configuration on an interface is valid only for the specific interface. The configuration
on an interface takes precedence over the global configuration. If the IGMP querier is not
configured on the interface, the global configuration is used.
When the IGMP version is IGMPv1, the configurable parameters of the IGMP querier include
the interval for sending IGMP General Query messages and IGMP robustness variable.
Procedure
l Configuring the global IGMP querier
1. Run:
system-view
The system view is displayed.
2. Run:
igmp
The IGMP view is displayed.
3. Run:
timer query seconds
The interval for sending IGMP General Query messages is set.
By default, the interval for sending IGMP General Query messages is 60 seconds.
4. Run:
robust-count robust-value
The IGMP robustness variable is set.
When the S9300 starts, the S9300 sends General Query messages robust-value times.
The interval between the messages is 1/4 of the interval for sending IGMP General
Query messages. By default, the robustness variable is 2.
Quidway S9300 Terabit Routing Switch
Configuration Guide - Multicast 2 IGMP Configuration
Issue 01 (2009-07-28) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-11
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