def METHOD_NAME(mod):
    tgen = Topogen(build_topo, mod.__name__)
    tgen.start_topology()
    router_list = tgen.routers()
    for rname, router in tgen.routers().items():
        router.load_config(TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)))
        router.load_config(
            TopoRouter.RD_SHARP, os.path.join(CWD, "{}/sharpd.conf".format(rname))
        )
    tgen.start_router()