def METHOD_NAME():
    logger.info("Test: verify RIB")
    tgen = get_topogen()
    # Skip if previous fatal error condition is raised
    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)
    for rname in ["r1", "r2", "r3", "r4"]:
        router_compare_json_output(rname, "show ip route json", "show_ip_route.ref")