Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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show ip igmp groups

View the IGMP groups.

Syntax
show ip igmp [vrf vrf-name] groups [group-address [detail] | detail | interface [group-address [detail]]]
Parameters
vrf vrf-name
(OPTIONAL) Enter the keyword vrf followed by the name of the VRF to configure this setting on that VRF.
group-address
(OPTIONAL) Enter the group address in dotted decimal format to view information on that group only.
interface
(OPTIONAL) Enter the interface type and the interface information:
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port[/subport] information.
  • For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
  • For a Loopback interface, enter the keyword loopback then a number from 0 to 16383.
  • For a port channel interface, enter the keywords port-channel then a number.
  • For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.
detail
(OPTIONAL) Enter the keyword detail to display the IGMPv3 source information.
Command Modes
  • EXEC
  • EXEC Privilege
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Added support for VRF. Introduced on the S6000-ON.
9.5(0.1)
Introduced on the Z9500.
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
DellEMC# 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 the port channel is VLT, that the local VLT port channel is down and the remote VLT port is up.
DellEMC# 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

225.0.0.3    Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51

225.0.0.4    Vlan 100 IGMPv2 00:00:05 00:02:04 3.0.0.51

Example (Details)
DellEMC# show ip igmp group details
Interface                  Vlan 20
Group                         232.1.1.5
Uptime                      00:11:22
Expires                       Never
Router mode           INCLUDE
Last reporter            35.0.0.2
Group source list
Source address          Expires
65.0.0.1                         00:01:22
65.0.0.2                         00:01:22
65.0.0.3                         00:01:22
65.0.0.4                         00:01:22
65.0.0.5                         00:01:22

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