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Merge pull request #25896 from kylejep/patch-2

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Update install-kubeadm.md
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Kubernetes Prow Robot
2021-01-04 17:15:57 -08:00
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content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
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@@ -59,6 +59,10 @@ Make sure that the `br_netfilter` module is loaded. This can be done by running
As a requirement for your Linux Node's iptables to correctly see bridged traffic, you should ensure `net.bridge.bridge-nf-call-iptables` is set to 1 in your `sysctl` config, e.g. As a requirement for your Linux Node's iptables to correctly see bridged traffic, you should ensure `net.bridge.bridge-nf-call-iptables` is set to 1 in your `sysctl` config, e.g.
```bash ```bash
cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
br_netfilter
EOF
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1 net.bridge.bridge-nf-call-iptables = 1