code: func (b *BigIP) CreateRoute(name, dest, gateway string) error {
  	config := &Route{
  		Name:    name,
  		Network: dest,
  		Gateway: gateway,
  	}
  
  	return b.post(config, uriNet, uriRoute)
  }
docs: // CreateRoute adds a new static route to the BIG-IP system. <dest> must include the
  // subnet mask in CIDR notation, i.e.: "10.1.1.0/24".