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Added new section for workaround, added link to it from RKE2 config page

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Jennifer Travinski
2022-02-17 15:41:39 -05:00
parent cfcdec188d
commit ffb25ab379
2 changed files with 23 additions and 2 deletions
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content/rancher/v2.6/en/cluster-admin/editing-clusters/rke2-config-reference/_index.md
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@@ -33,10 +33,12 @@ The [Network Provider](https://kubernetes.io/docs/concepts/cluster-administratio
Out of the box, Rancher is compatible with the following network providers: Out of the box, Rancher is compatible with the following network providers:
- [Canal](https://github.com/projectcalico/canal) - [Canal](https://github.com/projectcalico/canal)
- [Cilium](https://cilium.io/) - [Cilium](https://cilium.io/)*
- [Calico](https://docs.projectcalico.org/v3.11/introduction/) - [Calico](https://docs.projectcalico.org/v3.11/introduction/)
- [Multus](https://github.com/k8snetworkplumbingwg/multus-cni) - [Multus](https://github.com/k8snetworkplumbingwg/multus-cni)
\* When using [project network isolation](#project-network-isolation) in the [Cilium CNI]({{<baseurl>}}/rancher/v2.6/en/faq/networking/cni-providers/#cilium), it is possible to enable cross-node ingress routing. Click the [CNI provider docs]({{<baseurl>}}/rancher/v2.6/en/faq/networking/cni-providers/#ingress-routing-across-nodes-in-cilium) to learn more.
For more details on the different networking providers and how to configure them, please view our [RKE2 documentation](https://docs.rke2.io/install/network_options/). For more details on the different networking providers and how to configure them, please view our [RKE2 documentation](https://docs.rke2.io/install/network_options/).
#### Cloud Provider #### Cloud Provider
@@ -139,7 +141,7 @@ Select the image repository to pull Rancher images from. For more details and co
### Upgrade Strategy ### Upgrade Strategy
#### Controle Plane Concurrency #### Control Plane Concurrency
Select how many nodes can be upgraded at the same time. Can be a fixed number or percentage. Select how many nodes can be upgraded at the same time. Can be a fixed number or percentage.
content/rancher/v2.6/en/faq/networking/cni-providers/_index.md
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@@ -124,6 +124,25 @@ Cilium enables networking and network policies (L3, L4, and L7) in Kubernetes. B
Cilium recommends kernel versions greater than 5.2 to be able to leverage the full potential of eBPF. Kubernetes workers should open TCP port `8472` for VXLAN and TCP port `4240` for health checks. In addition, ICMP 8/0 must be enabled for health checks. For more information, check [Cilium System Requirements](https://docs.cilium.io/en/latest/operations/system_requirements/#firewall-requirements). Cilium recommends kernel versions greater than 5.2 to be able to leverage the full potential of eBPF. Kubernetes workers should open TCP port `8472` for VXLAN and TCP port `4240` for health checks. In addition, ICMP 8/0 must be enabled for health checks. For more information, check [Cilium System Requirements](https://docs.cilium.io/en/latest/operations/system_requirements/#firewall-requirements).
#### Ingress Routing Across Nodes in Cilium
<br>
By default, Cilium does not allow pods to contact pods on other nodes. To work around this, enable the ingress controller to route requests across nodes with a `CiliumNetworkPolicy`.
After selecting the Cilium CNI and enabling Project Network Isolation for your new cluster, configure as follows:
```
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: hn-nodes
namespace: default
spec:
endpointSelector: {}
ingress:
- fromEntities:
- remote-node
```
## CNI Features by Provider ## CNI Features by Provider
The following table summarizes the different features available for each CNI network provider provided by Rancher. The following table summarizes the different features available for each CNI network provider provided by Rancher.