* fix network setup in hack/local-up-cluster.sh (https://github.com/kubernetes/kubernetes/pull/60431) ([#60633](https://github.com/kubernetes/kubernetes/pull/60633), [@pohly](https://github.com/pohly))
    * better error diagnostics in hack/local-up-cluster.sh output

## Локальное тестирование с Traefik { #testing-locally-with-traefik }

Вы можете легко поэкспериментировать локально с функцией удаления префикса пути, используя [Traefik](https://docs.traefik.io/).

## Локальне тестування з Traefik { #testing-locally-with-traefik }

Ви можете легко провести експеримент локально з вилученим префіксом шляху, використовуючи [Traefik](https://docs.traefik.io/).

## Probando localmente con Traefik { #testing-locally-with-traefik }

Puedes ejecutar fácilmente el experimento localmente con un prefijo de path eliminado usando [Traefik](https://docs.traefik.io/).

## Lokal testen mit Traefik { #testing-locally-with-traefik }

Sie können das Experiment mit einem abgetrennten Pfadpräfix einfach lokal ausführen, indem Sie [Traefik](https://docs.traefik.io/) verwenden.

    * "dns" {
    *   "servers": ["10.0.0.10"],
    *   "searches": ["default.svc.cluster.local","svc.cluster.local","cluster.local"],
    *   "options": []
    * }

            {@code always},
            {@code daily} (default),
            {@code interval:XXX} (in minutes) or
            {@code never} (only if it doesn't exist locally).
          </description>
          <type>String</type>
        </field>
        <field>
          <name>checksumPolicy</name>
          <version>4.0.0+</version>
          <description>

                that exploit the browser's ability to send requests without a
                Content-Type header, bypassing CORS preflight checks. In particular
                applicable for apps that need to be run locally (in localhost).

                When `False`, requests without a `Content-Type` header will have
                their body parsed as JSON, which maintains compatibility with

   ([#123527](https://github.com/kubernetes/kubernetes/pull/123527), [@aramase](https://github.com/aramase))

- Fix an error when using external etcd but storing etcd certificates in the same folder with the same name used by kubeadm for local etcd certificates; for an older version of kubeadm, the workaround is to avoid file name used by kubeadm for local etcd. ([#80867](https://github.com/kubernetes/kubernetes/pull/80867), [@fabriziopandini](https://github.com/fabriziopandini))