Settings for ECO route for double via, and via optimization.
set_route_zrt_common_options -post_detail_route_redundant_via_insertion medium set_route_zrt_common_options -concurrent_redundant_via_mode reserve_space set_route_zrt_common_options -concurrent_redundant_via_effort_level medium set_route_zrt_common_options -eco_route_concurrent_redundant_via_mode reserve_space set_route_zrt_common_options -eco_route_concurrent_redundant_via_effort_level medium route_zrt_eco