Administrator Guide

Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series and C-Series.
Version 7.5.1.0 Expanded to support the detail option.
E-Series legacy
command.
Usage
Information
This command displays the IGMP database, including configured entries for either
all groups on all interfaces, all groups on specific interfaces, or specific groups on
specific interfaces.
The following describes the show ip igmp groups command shown in the
following example.
Field Description
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.
Member Ports Indicates the port channel. If the port channel is VLT, an
asterisk (*) after the port channel number indicates the port
channel is locally down and that a remote VLT port is up.
Example
Dell#show ip igmp groups
Total Number of Groups: 5
IGMP Connected Group Membership
Group Address Interface Mode Uptime Expires Last Reporter
225.0.0.0 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
Member Ports: Po 2
225.0.0.1 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
Member Ports: Po 2
225.0.0.2 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
Member Ports: Po 2
225.0.0.3 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
Member Ports: Po 2
225.0.0.4 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
Member Ports: Po 2
Example (VLT)
NOTE: The asterisk (*) after the port channel number (Po 2) highlighted in the
following example indicates the port channel is VLT, that the local VLT port
channel is down and the remote VLT port is up.
Dell#show ip igmp groups
Total Number of Groups: 5
IGMP Connected Group Membership
Internet Group Management Protocol (IGMP)
607