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Update content/en/docs/concepts/services-networking/service.md

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Co-authored-by: Qiming Teng <tengqm@outlook.com>
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Xudong Liu
2021-03-28 21:35:31 -07:00
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commit 469b890e6c
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@@ -636,7 +636,12 @@ Starting in v1.21, you can optionally specify the class of a load balancer imple
`LoadBalancer` type of Service by setting the field `spec.loadBalancerClass`. `LoadBalancer` type of Service by setting the field `spec.loadBalancerClass`.
By default, `spec.loadBalancerClass` is `nil` and a `LoadBalancer` type of Service uses By default, `spec.loadBalancerClass` is `nil` and a `LoadBalancer` type of Service uses
the cloud provider's default load balancer implementation. the cloud provider's default load balancer implementation.
If `spec.loadBalancerClass` is specified, it is assumed that a matching class load balancer implementation is watching for Services and any default load balancer implementation (e.g. cloud providers) will ignore Services that set this field. `spec.loadBalancerClass` can only be set when creating or updating a Service to type 'LoadBalancer'. Once set, it can not be changed. If `spec.loadBalancerClass` is specified, it is assumed that a load balancer
implementation that matches the specified class is watching for Services.
Any default load balancer implementation (for example, the one provided by
the cloud provider) will ignore Services that have this field set.
`spec.loadBalancerClass` can be set on a Service of type `LoadBalancer` only.
Once set, it cannot be changed.
The value of `spec.loadBalancerClass` must be a label-style identifier, with an optional prefix, e.g. "internal-vip" or "example.com/internal-vip". Unprefixed names are reserved for end-users. The value of `spec.loadBalancerClass` must be a label-style identifier, with an optional prefix, e.g. "internal-vip" or "example.com/internal-vip". Unprefixed names are reserved for end-users.
You must enable the `ServiceLoadBalancerClass` feature gate to use this field. You must enable the `ServiceLoadBalancerClass` feature gate to use this field.