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33 lines
2.1 KiB
Markdown
33 lines
2.1 KiB
Markdown
# TCP Configuration
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This chart currently has limited support for TCP ports. See [Known Limitations](../README.md#known-limitations)
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[Check](https://github.com/janosi/enhancements/blob/mixedprotocollb/keps/sig-network/20200103-mixed-protocol-lb.md#implementation-detailsnotesconstraints) if your enviorment supports `mixed protocols`.
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## How to Enable TCP
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* Set `service.tcp.enabled` to `true` in the configuration option; and
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* folow any additional specific instructions below
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The Following are known supported `LoadBalancers`:
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### MetalLB
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MetalLB supports `mixed protocols` by allowing multiple services to share the same IP address. See [IP Address Sharing](https://metallb.universe.tf/usage/#ip-address-sharing)
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This is done by combining two services on a specfic annotation.
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Settings required:
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| Settings | Value | Comment |
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| -----------------------|-------------------------------------------------|----------------------------------------------------------------|
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| `services.tcp.type` | `seperate` | (default) |
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| `services.annotations` | `metallb.universe.tf/allow-shared-ip`: [string] | Where [string] is a string that uniquely identifies `shared-ip` services.|
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### Azure CPI LB (Untested)
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Azure supports `mixed protocols` by declaring that the ports specfied in the service are both TCP and UDP.
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This is done by specifying an annotation on a single service.
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Settings required:
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| Settings | Value | Comment
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| -----------------------|------------------------------------------------------------------------|-----------------------------------------|
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| `services.tcp.type` | `combined` | |
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| `services.annotations` | `service.beta.kubernetes.io/azure-load-balancer-mixed-protocols`: true | |
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