| Item | Description |
| IfIndex | The ifIndex value of the interface for which this entry contains information. |
| Ttl | The datagram TTL threshold for the interface. Any IP multicast datagrams with a TTL less than this threshold will not be forwarded out the interface. The default value of 0 means all multicast packets are forwarded out the interface. |
| Protocol | The routing protocol running on this interface. |