H3C S7500E Series

Command Manual – Multicast
H3C S7500E Series Ethernet Switches Chapter 3 IGMP Configuration Commands
3-13
By default, the maximum response time for IGMP general queries is 10 seconds.
Related commands: max-response-time, igmp timer other-querier-present,
display igmp interface.
Examples
# Set the maximum response time for IGMP general queries to 8 seconds on
VLAN-interface 100.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] igmp max-response-time 8
3.1.12 igmp require-router-alert
Syntax
igmp require-router-alert
undo igmp require-router-alert
View
Interface view
Parameters
None
Description
Use the igmp require-router-alert command to configure the interface to discard
IGMP messages that do not carry the Router-Alert option.
Use the undo igmp require-router-alert command to restore the default
configuration.
By default, the device does not check the Router-Alert option, namely it passes all the
IGMP messages it receives to the upper layer protocol for processing.
Related commands: require-router-alert, igmp send-router-alert.
Examples
# Configure VLAN-interface 100 to discard IGMP messages that do not carry the
Router-Alert option.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] igmp require-router-alert