Config istio proxy protocol

2

I found this link:

I tried to use this method, but it does not work.
The selector of the ingress gateway is ingressgateway-direct2

So i configured it like that:

apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: proxy-protocol-v1
  namespace: istio-system
spec:
  configPatches:
  - applyTo: CLUSTER
    patch:
      operation: MERGE
      value:
        transport_socket:
          name: envoy.transport_sockets.upstream_proxy_protocol
          typed_config:
            '@type': type.googleapis.com/envoy.extensions.transport_sockets.proxy_protocol.v3.ProxyProtocolUpstreamTransport
            config:
              version: V1
            transport_socket:
              name: envoy.transport_sockets.raw_buffer
  workloadSelector:
    labels:
      istio: ingressgateway-direct2
---
apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
  name: tcp-gateway
  namespace: test-proxy
spec:
  selector:
    istio: ingressgateway-direct2
  servers:
  - hosts:
    - '*'
    port:
      name: tcp
      number: 80
      protocol: TCP
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: istio-vs
  namespace: test-proxy
spec:
  gateways:
  - tcp-gateway
  hosts:
  - '*'
  tcp:
  - match:
    - port: 80
    route:
    - destination:
        host: deployment1
        port:
          number: 6701

And it does not work. Any idea why?

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