The type of route. Note that 'local(3)' refers
to a route for which the next hop is the final
destination; 'remote(4)' refers to a route for
which the next hop is not the final
destination; 'discard(2)' refers to a route
indicating that packets to destinations matching
this route are to be discarded (sometimes called
black-hole route).
This object is obsoleted by IP-FORWARD-MIB::inetCidrRouteType.