H3C S7500 Series Operation Manual page 469

Operation Manual – Multicast
H3C S7500 Series Ethernet Switches
Enable IGMP on the
current interface
Configure the query
interval
Configuring the interval of
sending IGMP
group-specific query
messages
Configuring the times of
sending IGMP
group-specific query
messages
Configure the maximum
lifetime of an IGMP
querier
Configure the maximum
IGMP query response
time
Caution:
When there are multiple multicast routers in a network segment, the querier is
responsible for sending IGMP query messages to all the hosts in the network segment.
To do...
igmp enable
igmp timer query
seconds
igmp
lastmember-queryinterv
al seconds
igmp robust-count
robust-value
igmp timer
other-querier-present
seconds
igmp
max-response-time
seconds
Use the command...
6-8
Chapter 6 IGMP Configuration
Remarks
Required
By default, if the IP
multicast routing protocol
is enabled globally, IGMP
is enabled on all the
layer-3 interfaces
automatically.
Optional
The query interval is 60
seconds by default.
Optional
By default, the interval of
sending IGMP
group-specific query
messages is 1 second.
Optional
By default, the times of
sending IGMP
group-specific query
messages is 2.
Optional
The lifetime of
IGMP querier is 120
seconds by default.
If the Layer 3 switch
does not receive query
messages in two times
of the interval specified
by the igmp timer
query command, the
former querier
considered
ineffective.
Optional
The maximum IGMP
query response time is 10
seconds.
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