• Use to display a summary of IGMP information for interfaces on which you enabled
IGMP.
• Field descriptions
• Interface—Type of interface and interface specifier. For details about interface types
and specifiers, see Interface Types and Specifiers in JunosE Command Reference
Guide.
• Intf Address—IP address of the interface
• Ver—IGMP version
• State—Function of the interface: querier or nonquerier
• Querier—IP address of the querier on the network to which this interface connects
• QTime—Time interval, in seconds, at which this interface sends query messages
• QPTime—Time in seconds that the interface waits before declaring itself as the
querier
• Count—Total number of IGMP interfaces
• Example
host1:boston# show ip igmp interface brief
Interface Intf Address Ver State Querier QTime QPTime
-------------- ---------- --- ------ ------------- ----- ---
fastEthernet0/0 192.168.1.250/24 2 Querier 192.168.1.250 28 0
atm3/0.2 21.1.1.1/8 2 Querier 21.1.1.1 26 0
Count: 2 interfaces
• See show ip igmp interface.
show ip igmp mapped-oif
• Use to display the current mappings to all mapped outgoing interfaces or to the
specified mapped outgoing interface.
• Field descriptions
• OIF—Outgoing interface used in an OIF map
• Oper—Operation status of the outgoing interface
• Group Address—Multicast group IP address associated with the OIF
• Source Address—Source IP address associated with the OIF
• Join I/F—IGMP interface associated with the OIF
• Map Name—Name of the map associated to the OIF
• Counts—Number of source-group mappings to OIFs
• Example
65Copyright © 2010, Juniper Networks, Inc.
Chapter 2: Configuring IGMP
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