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

 Applies only to an executor node whose type is AREA.  Specifies the
 maximum total path cost allowed from the executor to any other level 2
 routing node.  You can specify a decimal value in the range 1 to 1022.
 The default value is 1022.