258 CHAPTER 7: USING MULTICAST PROTOCOL COMMANDS
Report messages are received from any hosts within the defined period, the IGMP
Querier considers it a timeout and stops membership maintenance for the group.
This command only takes effect on an IGMP Querier running IGMP v2. For a
Querier running IGMP v1, this command cannot take effect because the IGMP
group members cannot send an IGMP Leave message when they leave a group.
Related command: igmp robust-count and display igmp interface.
Example
Set the query interval on Vlan-interface10 as 3 seconds.
<SW5500>system-view
System View: return to User View with Ctrl+Z
[SW5500]interface Vlan-interface 10
[SW5500-Vlan-interface10]igmp lastmember-queryinterval 3
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 seconds. 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 determines the period for a router to quickly
detect that there are no more directly connected group members in a LAN.
Related command: display igmp group
Example
Set the maximum response time carried in host-query message to 8 seconds.
<SW5500>system-view
System View: return to User View with Ctrl+Z
[SW5500]interface Vlan-interface 10
[SW5500-vlan-interface10]igmp max-response-time 8
igmp robust-count Syntax
igmp robust-count
robust-value
undo igmp robust-count
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