The scope of interfaces to be used by this entity. When this entity requests information about interfaces, the request includes the scope of information that the component wishes to receive. Only interfaces with matching scope are distributed to the component. For example, this may be used to indicate that this entity operates at the scope of a specified line card. The first byte in the array specifies how many subsequent bytes are valid. Otherwise, the meaning of the bytes in this array are opaque to this entity. The default value is a 1-byte array, with value 0x00. The reference implementation of the I3 stub interprets the default value to mean that the entity supports all interfaces. This object cannot be changed while the row is active. The field is not expected to be exposed to end users and is not expected to change during the lifetime of the DC-IGMP entity. As such, this object follows the replaceOnlyWhileDisabled behavior.