# Displaying IGMP group information

Use the following procedure to display IGMP group information to show the learned multicast groups and the attached ports.

## Procedure steps

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

2. In the IP Routing tree, double-click IGMP.

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

## Variable definitions

The following table describes the fields of the Groups tab.

Field | Description
--- | ---
IpAddress | Indicates the multicast group address.
IfIndex | Indicates the VLAN interface from which the multicast group address is heard.
Members | Indicates the IP address of the IGMP receiver (host or IGMP reporter).
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.