# ELBv2 operations 20 of 22 listed operations are implemented. Back to [ELBv2](/docs/services/elb/index.md). ## Summary | Category | ✅ Supported | ❌ Unsupported | | --- | --- | --- | | Load Balancers | 5 | | | Target Groups | 6 | | | Listeners | 3 | | | Targets | 3 | | | Listener Rules | | 2 | | Tags | 3 | | --- ## Endpoints ### Load Balancers | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateLoadBalancer` | ✅ Supported | Threads Type, Scheme, IpAddressType and Tags; requires at least one Subnets or SubnetMappings member, which is validated and then discarded — Availability Zones are not modelled | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_CreateLoadBalancer.html) | | `DescribeLoadBalancers` | ✅ Supported | An unresolvable LoadBalancerArns or Names entry raises LoadBalancerNotFound and a value that is not a load balancer ARN raises ValidationError; naming neither lists the region | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeLoadBalancers.html) | | `DeleteLoadBalancer` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DeleteLoadBalancer.html) | | `ModifyLoadBalancerAttributes` | ✅ Supported | Stores and echoes attributes such as idle_timeout.timeout_seconds and deletion_protection.enabled; not enforced by the data plane | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_ModifyLoadBalancerAttributes.html) | | `DescribeLoadBalancerAttributes` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeLoadBalancerAttributes.html) | ### Target Groups | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateTargetGroup` | ✅ Supported | Threads TargetType, ProtocolVersion, IpAddressType, the HealthCheck* family, Matcher and Tags; validates Protocol against the documented enum and Port against 1-65535; health checks are stored and echoed but not evaluated against targets | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_CreateTargetGroup.html) | | `DescribeTargetGroups` | ✅ Supported | An unresolvable TargetGroupArns or Names entry raises TargetGroupNotFound and a value that is not a target group ARN raises ValidationError; naming neither lists the region | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeTargetGroups.html) | | `DeleteTargetGroup` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DeleteTargetGroup.html) | | `ModifyTargetGroup` | ✅ Supported | Updates the HealthCheck* family and Matcher; TargetType/Protocol/Port/VpcId require replacement | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_ModifyTargetGroup.html) | | `ModifyTargetGroupAttributes` | ✅ Supported | Stores and echoes attributes such as deregistration_delay.timeout_seconds; not enforced by the data plane | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_ModifyTargetGroupAttributes.html) | | `DescribeTargetGroupAttributes` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeTargetGroupAttributes.html) | ### Listeners | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateListener` | ✅ Supported | Forwards each DefaultActions member's Type, TargetGroupArn, Order, RedirectConfig and FixedResponseConfig; weighted ForwardConfig, Certificates/SslPolicy/AlpnPolicy/MutualAuthentication and the Cognito/OIDC auth actions are not modelled | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_CreateListener.html) | | `DescribeListeners` | ✅ Supported | An unresolvable ListenerArns entry raises ListenerNotFound and an unresolvable LoadBalancerArn raises LoadBalancerNotFound; naming neither lists the region | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeListeners.html) | | `DeleteListener` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DeleteListener.html) | ### Targets | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `RegisterTargets` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_RegisterTargets.html) | | `DeregisterTargets` | ✅ Supported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DeregisterTargets.html) | | `DescribeTargetHealth` | ✅ Supported | Always reports "healthy"; the stored HealthCheck* block is not evaluated against targets | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeTargetHealth.html) | ### Listener Rules | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateRule` | ❌ Unsupported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_CreateRule.html) | | `DescribeRules` | ❌ Unsupported | | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeRules.html) | ### Tags | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `AddTags` | ✅ Supported | Adds tags to load balancers and target groups | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_AddTags.html) | | `RemoveTags` | ✅ Supported | Removes tags from load balancers and target groups | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_RemoveTags.html) | | `DescribeTags` | ✅ Supported | Describes tags for load balancers and target groups | [docs](https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/API_DescribeTags.html) | ## Related - [ELBv2](/docs/services/elb/index.md) — quick start, what works, and the differences from AWS - [All service pages](/docs/services/index.md)