def METHOD_NAME(module):
    tgen = Topogen(build_topo, module.__name__)
    tgen.start_topology()
    # Starting Routers
    router_list = tgen.routers()
    for rname, router in router_list.items():
        router.load_config(
            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
        )
        router.load_config(
            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
        )
        router.start()
    # Starting Hosts and init ExaBGP on each of them
    topotest.sleep(10, "starting BGP on all {} peers".format(total_ebgp_peers))
    peer_list = tgen.exabgp_peers()
    for pname, peer in peer_list.items():
        peer_dir = os.path.join(CWD, pname)
        env_file = os.path.join(CWD, "exabgp.env")
        peer.start(peer_dir, env_file)
        logger.info(pname)