Connectivity Guide

show ip igmp groups
Displays the IGMP groups.
Syntax
show ip igmp [vrf vrf-name] groups [group-address [detail] | detail |
interface-name [group-address [detail]]]
Parameters
• vrf vrf-name—Enter the keyword vrf, then the name of the VRF.
• group-address—Enter the group address in dotted decimal format to view specic group information.
• interface-name—Enter the interface name.
Default None
Command Mode EXEC
Usage Information The show ip igmp groups command displays the IGMP database, congured entries for all groups on all
interfaces, all groups on specic interfaces, or specic groups on specic interfaces. This command displays the
following:
• Group address—Lists the multicast address for the IGMP group
•
Interface—Lists the interface type, slot, and port number
• Mode—Displays the IGMP version used
• Uptime—Displays the amount of time the group has been operational.
• Expires—Displays the amount of time until the entry expires
• Last reporter—Displays the IP address of the last host to be a member of the IGMP group
Example
OS10# show ip igmp groups
Total Number of Groups: 100
IGMP Connected Group Membership
Group Address Interface Mode Uptime Expires Last Reporter
225.1.1.1 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.2 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.3 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.4 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.5 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.6 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.7 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.8 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.9 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.10 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.11 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.12 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.13 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.14 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.15 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
225.1.1.16 vlan121 IGMPv2-Compat 12:39:00 00:01:58 121.1.1.10
Supported Releases 10.4.3.0 or later
show ip igmp interface
Displays information about all IGMP-enabled interfaces.
Syntax
show ip igmp [vrf vrf-name] interface name
630 Multicast