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

 Applies only to broadcast circuits.  Specifies the priority this
 router (the executor node on this circuit) is to have in the
 selection of designated router for this circuit.  Use a value in
 the range 0 to 127. The default value is 64.