xstInstancePortAdminPathCost — Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community), Edgecore official enterprise switch MIBs, Edgecore MIB copies (Observium Community)
The admin value of the MST internal path cost, in the range of 1 to 200000000. 0 indicate the pathcost is dynamically determined by attribute of the port. This parameter is used to determine the best path between devices. Therefore, lower values should be assigned to ports attached to faster media, and higher values assigned to ports with slower media. (Path cost takes precedence over port priority).