• Operational state—Status of IGMP on the VR: enabled or disabled
• Total interfaces—Number of interfaces on which you started IGMP
• enabled—Number of interfaces on which IGMP is enabled
• disabled—Number of interfaces on which IGMP is disabled
• learnt groups—Number of multicast groups that the VR has discovered
• IGMP graceful restart duration—Restart interval in seconds
• IGMP Statistics Rcvd—Statistics for IGMP messages received
• total—Total number of IGMP messages received
• checksum errors—Number of IGMP messages received with checksum errors
• unknown types—Number of IGMP messages received that are not group
membership queries, group membership reports, or leave group membership
messages
• queries—Number of group membership queries
• reports—Number of group membership reports
• leaves—Number of leave group membership messages
• IGMP Statistics Sent—Statistics for IGMP messages sent
• Total number of group membership queries sent
• Example
host1:boston#show ip igmp
Routing Process IGMP, Administrative state enabled, Operational state
enabled
2 total interfaces, 2 enabled, 0 disabled
0 enabled interfaces performing graceful restart
2 learnt groups
IGMP Statistics:
Rvcd: 1 total, 0 checksum errors, 0 unknown types
0 queries, 1 reports, 0 leaves
Sent: 11 total
• See show ip igmp.
show ip igmp groups
• Use to display statically joined and directly connected groups learned through IGMP.
• Field descriptions
• Grp Address—Address of the multicast group
• Interface—Interface that discovered the multicast group
• oif-map—Name of the OIF map and the mapped OIF interface, when a group or
source has been mapped to an OIF
Copyright © 2010, Juniper Networks, Inc.60
JunosE 11.2.x Multicast Routing Configuration Guide
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