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Update docs for mixed protocol Services of type: LoadBalancer #32696

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Apr 7, 2022
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Update docs for mixed protocol Services of type: LoadBalancer #32696

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b905588
Feature flag change when moving from alpha to beta
bridgetkromhout Mar 31, 2022
ca79aa7
Update content/en/docs/reference/command-line-tools-reference/feature…
bridgetkromhout Apr 1, 2022
6571bea
Clarifying default as of beta.
bridgetkromhout Apr 5, 2022
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8 changes: 5 additions & 3 deletions content/en/docs/concepts/services-networking/service.md
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Original file line number Diff line number Diff line change
Expand Up @@ -701,17 +701,19 @@ Specify the assigned IP address as loadBalancerIP. Ensure that you have updated

#### Load balancers with mixed protocol types

{{< feature-state for_k8s_version="v1.20" state="alpha" >}}
{{< feature-state for_k8s_version="v1.24" state="beta" >}}

By default, for LoadBalancer type of Services, when there is more than one port defined, all
ports must have the same protocol, and the protocol must be one which is supported
by the cloud provider.

If the feature gate `MixedProtocolLBService` is enabled for the kube-apiserver it is allowed to use different protocols when there is more than one port defined.
The feature gate `MixedProtocolLBService` (enabled by default for the kube-apiserver as of v1.24) allows the use of
different protocols for LoadBalancer type of Services, when there is more than one port defined.

{{< note >}}

The set of protocols that can be used for LoadBalancer type of Services is still defined by the cloud provider.
The set of protocols that can be used for LoadBalancer type of Services is still defined by the cloud provider. If a
cloud provider does not support mixed protocols they will provide only a single protocol.

{{< /note >}}

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3 changes: 2 additions & 1 deletion content/en/docs/reference/command-line-tools-reference/feature-gates.md
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Expand Up @@ -146,7 +146,8 @@ different Kubernetes components.
| `MemoryManager` | `false` | Alpha | 1.21 | 1.21 |
| `MemoryManager` | `true` | Beta | 1.22 | |
| `MemoryQoS` | `false` | Alpha | 1.22 | |
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | |
| `MixedProtocolLBService` | `false` | Alpha | 1.20 | 1.23 |
| `MixedProtocolLBService` | `true` | Beta | 1.24 | |
| `NetworkPolicyEndPort` | `false` | Alpha | 1.21 | 1.21 |
| `NetworkPolicyEndPort` | `true` | Beta | 1.22 | |
| `NodeSwap` | `false` | Alpha | 1.22 | |
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