Describes the data model for the Reverse Path Forwarding (RPF) protocol.
module: extreme-rpf
+--rw rpf_config /*drop-node-name*/
      +--rw urpf-exclude-default?   empty
 
	 module: extreme-interface | | +--rw rpf:rpf | | | +--rw rpf:log? empty | | +--rw rpf:rpf-mode | | | +--rw rpf:mode? enumeration