Use "route_category" in sth::emulation_bgp_route_config which is implemented in 4.50GA release of HLTAPI. sth::emulation_bgp_route_config [route_category UNDEFINED | PRIMARY | SECONDARY | UNIQUE] [route_category] Possible supported route categories: UNDEFINED : The default category assigned to a manually created block PRIMARY : A preferred route that has duplicates (secondary routes) advertised by other ports SECONDARY : A less preferred backup route UNIQUE : Indicates that a single port in the test configuration advertises this route Default: UNDEFINED