This value classifies the sub-type of this internal backplane link within UCS Manager's link model. It matters on the internal Ethernet link that carries a blade's traffic from the chassis I/O Module up to a Fabric Interconnect over the backplane because the type distinguishes, for instance, a direct backplane connection from a link that is itself part of an aggregated bundle, which affects how UCS Manager reports and manages it. Comparing the type value on this backplane link against its siblings is how an admin confirms whether a given internal port is standalone or expected to be bonded with others into a port-channel.