# Displaying extended interface IGMP group information

Use this procedure to display extended IGMP group information for interfaces.

## Procedure steps

1. From the navigation tree, double-click IP.

2. In the IP tree, click IGMP.

3. In the work area, click the Groups-Ext tab.

## Variable definitions

The following table describes the fields of the Groups-Ext tab.

Variable | Value
--- | ---
IpAddress | Indicates the multicast group IP address.
SourceAddress | Indicates the source IP address.
Members | Indicates the IP address of the IGMP receiver (host or IGMP reporter).
Mode | Indicates the group IGMP mode.
IfIndex | Indicates the VLAN interface from which the multicast group address is heard.
Expiration | Indicates the time left before the group report expires on this port. This variable is updated after receiving a group report.
InPort | Indicates the member port for the group. This port is the port on which group traffic is forwarded.