def METHOD_NAME(duthost, tbinfo):
    """
    Returns a dictionary of all the links that are downstream from the DUT.
    Args:
        duthost: DUT fixture
        tbinfo: testbed information fixture
    Returns:
        links: Dictionary of links downstream from the DUT
    """
    links = dict()
    def filter(interface, neighbor, mg_facts, tbinfo):
        if ((tbinfo["topo"]["type"] == "t0" and "Server" in neighbor["name"])
                or (tbinfo["topo"]["type"] == "t1" and "T0" in neighbor["name"])):
            port = mg_facts["minigraph_neighbors"][interface]["port"]
            links[interface] = {
                "name": neighbor["name"],
                "ptf_port_id": mg_facts["minigraph_ptf_indices"][interface],
                "downstream_port": port
            }
    find_links(duthost, tbinfo, filter)
    return links