# Displaying multicast interface information

Use the following procedure to display multicast interface information.

## Procedure steps

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

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

3. In the work area, click the Interfaces tab to view multicast interfaces information.

## Variable definitions

The following table describes the fields of the Interfaces tab.

Field | Description
--- | ---
Interface | Indicates the VLAN ID.
Ttl | Indicates the datagram time-to-live (TTL) threshold for the interface. The interface does not forward IP multicast datagrams with a TTL less than this threshold. The default value of 1 means that the interface forwards all multicast packets.
Protocol | Indicates the routing protocol running on this interface.