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# windows
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Well, sometimes asking a question is enough to spark the insight. The problem was that my linux nodes has two dedicated SAN network interfaces, and somehow it's a routing problem, even everything else working fine ... once I disabled the interfaces, the windows pods could reach the linux nodes. Now that I know what is the problem, I have just to figure out how to properly configure rke/calico to use the correct network interface.
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It was easy, just needed to inform which network interface will be used by calico during the cluster installation:
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cat >/var/lib/rancher/rke2/server/manifests/rke2-calico-config.yaml <<'EOF'
apiVersion: <http://helm.cattle.io/v1|helm.cattle.io/v1>
kind: HelmChartConfig
metadata:
  name: rke2-calico
  namespace: kube-system
spec:
  valuesContent: |-
    installation:
      calicoNetwork:
        mtu: 1500
        nodeAddressAutodetectionV4:
          interface: eth0
EOF
Or, if the cluster is already installed, just change the 
installation
manifest
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