vrIpIfMediaType 1.3.6.1.4.1.562.2.4.1.100.6.5.10.1.4

This attribute indicates the media type of interface. When the interface is down, a value of none indicates the media stays down from the beginning. When the interface is down, a value of some valid media type indicates the media is brought down after it was up. Otherwise, when the interface is up or disabled, this attribute should reflect the proper media type of the interface.