host1# show ip igmp mapped-oif
OIF Oper Group Address Source Address Join I/F Map Name
--------------- ---- --------------- --------------- --------------- ----------
ATM5/0.120 Up 232.1.1.2 10.1.1.10 ATM5/0.12 OIFMAP
ATM5/0.13 OIFMAP
ATM5/0.121 Up 232.1.1.1 * ATM5/0.12 OIFMAP
ATM5/0.13 OIFMAP
232.1.1.2 10.1.1.11 ATM5/0.12 OIFMAP
ATM5/0.13 OIFMAP
Counts: 3 source-group mappings
• See show ip igmp mapped-oif.
show ip igmp membership
• Use to display IGMP membership information for multicast groups and (S, G) channels.
• Specify the tracked keyword to see interface information only for interfaces where
explicit host tracking is enabled.
• Field descriptions
• Group—Multicast group or (S, G) channel
• Source—(S, G) entries that are forwarding traffic
• Reporter—Hosts that requested including sources or have not requested excluding
sources. If listed under a group, host that sent exclude reports for the group. If listed
under a source, host that requested traffic from this source for the group. For any
(S, G), if listed under a source, indicates hosts interested in the traffic for this (S, G).
• ExpTim—Expiration time.
• Flags
• M—Uses Oifmap
• S—SSM mapped
• T—Tracked
• 1, 2, 3—IGMP version that the group is in
• Interface—Type of interface and interface specifier. For details about interface types
and specifiers, see Interface Types and Specifiers in JunosE Command Reference
Guide.
• Example
host1# show ip igmp membership
Flags: M – Uses Oifmap S– SSM mapped T – tracked
1,2,3 – The version of IGMP the group is in
Reporter:
<ip-address> - last reporter if the group is not explicitly tracked
<n>/<m> - <n> reporters include mode, <m> reporters in exclude
Group Source Reporter ExpTim Flags Interface
--------------- --------------- ------------- ------ ------ ---------------
224.0.1.40 * 10.10.1.1 02:41 2S FastEthernet2/1
Copyright © 2010, Juniper Networks, Inc.66
JunosE 11.2.x Multicast Routing Configuration Guide