API Guide

Default None
Command Mode EXEC
Usage
Information
The show ip igmp groups command displays the IGMP database, configured entries for all groups on
all interfaces, all groups on specific interfaces, or specific groups on specific 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
Parameters
● vrf vrf-name—Enter the keyword vrf, then the name of the VRF.
● interface name—Enter the keyword interface, then the interface name.
Default None
Command Mode EXEC
Usage
Information
None
Example
OS10# show ip igmp interface
Vlan103 is up, line protocol is up
Internet address is 2.1.1.2
IGMP is enabled on interface
IGMP version is 3
IGMP query interval is 60 seconds
IGMP querier timeout is 130 seconds
IGMP last member query response interval is 1000 ms
IGMP max response time is 10 seconds
IGMP immediate-leave is disabled on this interface
790 Multicast