This read-create Integer32, ranging 0-255 and defaulting to 1, sets the link state cost (administrative distance) of the path to the multicast source for this static route entry. Admins tune this value to control preference between multiple static multicast routes to the same source, with lower values preferred. For example, an admin might set tpStaticMrouteDistance to a lower value on the preferred path so it's chosen over a backup static mroute entry with a higher distance.