<Route path='/login' component={Login} />

public void ConfigureServices(IServiceCollection services)
    {
        services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
            // Cookie auth for MVC page that hosts React app
            .AddCookie(options =>
                {
                    options.LoginPath = new PathString("/Account/Login");
                    options.LogoutPath = new PathString("/Account/Logout");

                    options.Cookie = new CookieBuilder
                    {
                        HttpOnly = true,
                        Name = "OurCookieAuthentication",
                        Path = "/",
                        SameSite = SameSiteMode.Lax,
                        SecurePolicy = CookieSecurePolicy.SameAsRequest
                    };
                    options.ExpireTimeSpan = TimeSpan.FromMinutes(30);
                    options.SlidingExpiration = true;

                }
            )
            // JWT authenticaton for REST API called by React app
            .AddJwtBearer(JwtBearerDefaults.AuthenticationScheme, options => {
                options.TokenValidationParameters = new TokenValidationParameters
                {
                    ValidateAudience = false,
                    ValidateIssuer = false,
                    ValidateIssuerSigningKey = true,
                    IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("thesecret")),
                    ValidateLifetime = true,
                    ClockSkew = TimeSpan.FromMinutes(5)
                };
            });
        ;

        services.AddMvc()
    }

options.LoginPath = new PathString("/Account/Login");

options.LoginPath = new PathString("/login");