ip igmp querier
• Use to specify that this IGMPv1 interface acts as a querier.
NOTE: This command is valid only for interfaces on which you configured IGMPv1.
• By default, IGMPv1 interfaces act as queriers.
• Example
host1:boston(config-if)#ip igmp querier
• Use the no version to cause the interface to not act as a querier.
• See ip igmp querier.
ip igmp version
• 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).
• Example
host1:boston(config-if)#ip igmp version 1
• Use the no version to set the version to the default, IGMPv2.
• 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:
•
The method that the router uses to remove hosts from multicast groups (IGMPv2 and
IGMPv3 interfaces only)
•
The query time interval for the querier sends group membership messages
•
The time that a non-querier waits for queries from the current querier before sending
query messages to assume responsibility of querier
•
The time that a new querier waits before sending query messages after it assumes
responsibility from another querier
•
The time that a host can take to reply to a query (maximum response time)
•
The number of times that the router sends each IGMP message from this interface
ip igmp immediate-leave
47Copyright © 2010, Juniper Networks, Inc.
Chapter 2: Configuring IGMP
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