OcNOS-SP : Multicast Guide : Multicast Command Reference : Layer 3 IGMP Multicast Commands : show ip igmp interface
show ip igmp interface
Use this command to display the state of IGMP, IGMP Proxy service for a specified interface, or all interfaces.
Command Syntax
show ip igmp interface (IFNAME|)
show ip igmp (vrf NAME|) interface (IFNAME|)
Parameters
vrf
Specify the VRF name.
interface
Specify the interface parameter.
IFNAME
Specify the name of the interface.
Command Mode
Exec and Privileged Exec mode
Applicability
This command was introduced before OcNOS version 1.3.
Example
The following command displays the IGMP interface status on all interfaces enabled for IGMP.
#show ip igmp interface
Interface vlan1.1 (Index 4294967295)
IGMP Active, Non-Querier, Version 3 (default)
IGMP querying router is 0.0.0.0
IGMP query interval is 125 seconds
IGMP querier timeout is 255 seconds
IGMP max query response time is 10 seconds
Last member query response interval is 1000 milliseconds
Group Membership interval is 260 seconds|
#
Table 2-10 explains the output fields.
 
Table 2-10: show ip igmp interface 
Entry
Description
Interface
Interface type and number
IGMP Active
IGMP status – whether Active or Inactive; whether this interface is a querier; IGMP version (v1, v2, or v3).
IGMP querying router
IP address of the designated router for this LAN segment.
IGMP query interval
Interval at which the Cisco IOS software sends Protocol Independent Multicast (PIM) router query messages.
IGMP querier timeout
An interval of time that the software uses when deciding to take over as the querier.
IGMP max query response time
An interval of time that is advertised as the maximum response time that is advertised in IGMP queries.
Last member query response interval
This interval is the maximum amount of time between query messages that the querier will wait before sending messages that indicate that the multicast session has ended.
Group Membership interval
A group membership interval timer is maintained for each dynamic multicast group added to a downstream interface in the table. The timer is refreshed when a membership report for a multicast group is received. If the timer expires, the multicast group is removed from the table.
Last modified date: 10/20/2023