Administrator Guide
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series and C-Series.
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.
Example
Dell#show ip igmp groups
Total Number of Groups: 5
IGMP Connected Group Membership
Group Address Interface Uptime Expires
225.0.0.0 Vlan 100 00:00:05 00:02:04
225.0.0.1 Vlan 100 00:00:05 00:02:04
225.0.0.2 Vlan 100 00:00:05 00:02:04
225.0.0.3 Vlan 100 00:00:05 00:02:04
225.0.0.4 Vlan 100 00:00:05 00:02:04
Example (VLT)
NOTE: The asterisk (*) after the port channel number (Po 2) highlighted in the following example
indicates that 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
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
225.0.0.1 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
225.0.0.2 Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51
844 Internet Group Management Protocol (IGMP)