Juniper JUNOSE 11.1.X MULTICAST ROUTING, Configuration Manual

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Use the no version to disable IGMP on an interface.
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See ip igmp.
ip igmp querier
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Use to specify that this IGMPv1 interface acts as a querier.
NOTE: This command is valid only for interfaces on which you configured IGMPv1.
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By default, IGMPv1 interfaces act as queriers.
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Example
host1:boston(config-if)# ip igmp querier
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Use the no version to cause the interface to not act as a querier.
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See ip igmp querier.
ip igmp version
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Use to set the IGMP version (1, 2, or 3) for the interface or specify a passive
interface with only multicast-data-forwarding capability (passive).
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Example
host1:boston(config-if)# ip igmp version 1
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Use the no version to set the version to the default, IGMPv2.
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See ip igmp version.
Configuring IGMP Settings for an Interface
When you start IGMP on an interface, it operates with the default settings. You can,
however, modify:
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The method that the router uses to remove hosts from multicast groups (IGMPv2
and IGMPv3 interfaces only)
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The query time interval for the querier sends group membership messages
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The time that a non-querier waits for queries from the current querier before
sending query messages to assume responsibility of querier
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The time that a new querier waits before sending query messages after it assumes
responsibility from another querier
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The time that a host can take to reply to a query (maximum response time)
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The number of times that the router sends each IGMP message from this interface
ip igmp immediate-leave
Configuring IGMP Settings for an Interface
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Chapter 2: Configuring IGMP