Library /sys$common/syshlp/ncphelp.hlb SET, EXECUTOR, MAXIMUM PATH SPLITS number  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Indicates the maximum number of equal cost paths to a given
 destination node among which the packet load may be split.  The
 default is 1.  The range is  from 1 to 31.