def METHOD_NAME(duthost):
    """
    Checks if BGP connections are up
    BGP connections are "up" once they have received all prefixes (6400) from all neighbors
    Args:
        duthost: DUT host object
    Returns:
        True if BGP sessions are up, False otherwise
    """
    bgp_neighbors = get_bgp_neighbors(duthost)
    if not bgp_neighbors:
        return False
    return duthost.check_bgp_session_state(bgp_neighbors)