Command Manual – Multicast Protocol
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 5 IGMP Configuration Commands
Huawei Technologies Proprietary
5-10
value as 1 second). If other hosts which are interested in the specified group receive
the IGMP query message from the IGMP query router, they will send back the IGMP
Membership Report message within the specified maximum response time interval. If it
receives the IGMP Membership Report message within the defined period (equal to
robust-value × seconds), the IGMP query router continue to maintain the membership
of this group. When receiving no IGMP Membership Report message from any hosts
within the defined period, the IGMP query router considers it as timeout and stops
membership maintenance for the group.
This command is only available on the IGMP query router running IGMP v2. For the
host running IGMP v1, this command cannot take effect for the host may not send the
IGMP Leave message when it leaves a group.
For the related command, see igmp robust-count and display igmp interface.
Example
# Set the query interval at the Vlan-interface10 as 3 seconds.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] interface Vlan-interface 10
[Quidway-Vlan-interface10] igmp lastmember-queryinterval 3
5.1.10 igmp max-response-time
Syntax
igmp max-response-time seconds
undo igmp max-response-time
View
VLAN interface view
Parameter
seconds: Maximum response time in the IGMP query messages in second in the range
from 1 to 25. By default, the value is 10 seconds.
Description
Use the igmp max-response-time command to configure the maximum response
time contained in the IGMP query messages.
Use the undo igmp max-response-time command to restore the default value.
The maximum query response time is 10 seconds by default.
The maximum query response time determines the period for a router to quickly detect
that there are no more directly connected group members in a LAN.
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