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Gateway API Support

The Kong Ingress Controller supports the following resources and features in the Gateway API. By default:

• Core features are supported. If a core feature is not supported in any of the released versions yet, it will be listed in Unsupported section.
• Extended features are not supported. If an extended feature is supported in any of the released versions, it will be listed in the section of the first version that support the feature.

Gateways and GatewayClasses

v2.2.x

• Supported v1alpha2 version of Gateways and GatewayClasses.

v2.5.x

• Added support for TLSConfig section to load certificates for HTTPRoutes and TLSRoutes attached to the Gateway.

v2.6.x

• Supported v1beta1 version of Gateways and GatewayClasses, and removed support of v1alpha2 version of Gateways and GatewayClasses.

Unsupported

• Gateways are not provisioned automatically.
• Kong only supports a single Gateway per GatewayClass.

HTTP Routes

v2.2.x

• Supported v1alpha2 version of HTTPRoute.
• Supported extended feature: supported method in route matches.

v2.4.x

• Supported weights of BackendRefs. Multiple BackendRefs with a round-robin load-balancing strategy is applied by default across the Endpoints or the Services. Configuring weights of BackendRefs can allow you to fine-tune the load-balancing between those backend services.

v2.6.x

• Supported v1beta1 version of HTTPRoute and removed support of v1alpha2 version of HTTPRoute.

Unsupported

• Does not support queryParam in route matches.
• Does not support requestRedirect in filters.
• HTTPRoutes cannot be bound to a specific port using a ParentReference. Kong serves all HTTP routes on all HTTP listeners.

TCP Routes

v2.4.x

• Supported v1alpha2 of TCPRoute.
• Added support for multiple, weighted BackendRef entities.

UDP Routes

v2.4.x

• Supported v1alpha2 of UDPRoute.
• Added support for multiple, weighted BackendRef entities.

Unsupported

• Does not support GEP-957 port matching.

TLS Routes

v2.4.x

• Supported v1alpha2 of TLSRoute.

GRPC Routes

v2.9.x

• Supported v1alpha2 of GRPCRoute.

Reference Grants and Reference Policies

v2.4.x

• Supported v1alpha2 version of ReferencePolicy to allow routes to reference backends in other namespaces in BackendRefs.

v2.6.x

• Supported v1alpha2 version of ReferenceGrant and removed support of ReferencePolicy.

v2.9.x

• Supported v1beta1 version of ReferenceGrant, and removed support of v1alpha2 version ReferenceGrant.