Users Guide

Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
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) Introduced on the S4810, S4820T, S5000, S6000, Z9000, and Z9500.
Usage Information This command displays the IGMP database, including congured entries for either all groups on all interfaces, all
groups on specic interfaces, or specic groups on specic 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 snooping groups
Total Number of Groups: 1
IGMP Connected Group Membership
Group Address Interface Mode Uptime Expires Last Reporter
225.1.1.1 Vlan 10 IGMPv2-Compat 00:00:07 00:02:09 1.1.1.2
Member Ports: Gi 1/17
Dell#
show ip igmp snooping mrouter
Display multicast router interfaces.
Syntax
show ip igmp snooping mrouter [vlan number]
Parameters
vlan number Enter the keyword vlan then the vlan number. The range is from 1 to 4094.
Command Modes
• EXEC
Internet Group Management Protocol (IGMP) 623