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**Example 1: To describe the health of the targets for a target group**
The following ``describe-target-health`` example displays health details for the targets of the specified target group. These targets are healthy. ::
aws elbv2 describe-target-health \
--target-group-arn arn:aws:elasticloadbalancing:us-west-2:123456789012:targetgroup/my-targets/73e2d6bc24d8a067
Output::
{
"TargetHealthDescriptions": [
{
"HealthCheckPort": "80",
"Target": {
"Id": "i-ceddcd4d",
"Port": 80
},
"TargetHealth": {
"State": "healthy"
}
},
{
"HealthCheckPort": "80",
"Target": {
"Id": "i-0f76fade",
"Port": 80
},
"TargetHealth": {
"State": "healthy"
}
}
]
}
**Example 2: To describe the health of a target**
The following ``describe-target-health`` example displays health details for the specified target. This target is healthy. ::
aws elbv2 describe-target-health \
--targets Id=i-0f76fade,Port=80 \
--target-group-arn arn:aws:elasticloadbalancing:us-west-2:123456789012:targetgroup/my-targets/73e2d6bc24d8a067
Output::
{
"TargetHealthDescriptions": [
{
"HealthCheckPort": "80",
"Target": {
"Id": "i-0f76fade",
"Port": 80
},
"TargetHealth": {
"State": "healthy"
}
}
]
}
The following example output is for a target whose target group is not specified in an action for a listener. This target can't receive traffic from the load balancer. ::
{
"TargetHealthDescriptions": [
{
"HealthCheckPort": "80",
"Target": {
"Id": "i-0f76fade",
"Port": 80
},
"TargetHealth": {
"State": "unused",
"Reason": "Target.NotInUse",
"Description": "Target group is not configured to receive traffic from the load balancer"
}
}
]
}
The following example output is for a target whose target group was just specified in an action for a listener. The target is still being registered. ::
{
"TargetHealthDescriptions": [
{
"HealthCheckPort": "80",
"Target": {
"Id": "i-0f76fade",
"Port": 80
},
"TargetHealth": {
"State": "initial",
"Reason": "Elb.RegistrationInProgress",
"Description": "Target registration is in progress"
}
}
]
}
The following example output is for an unhealthy target. ::
{
"TargetHealthDescriptions": [
{
"HealthCheckPort": "80",
"Target": {
"Id": "i-0f76fade",
"Port": 80
},
"TargetHealth": {
"State": "unhealthy",
"Reason": "Target.Timeout",
"Description": "Connection to target timed out"
}
}
]
}
The following example output is for a target that is a Lambda function and health checks are disabled. ::
{
"TargetHealthDescriptions": [
{
"Target": {
"Id": "arn:aws:lambda:us-west-2:123456789012:function:my-function",
"AvailabilityZone": "all",
},
"TargetHealth": {
"State": "unavailable",
"Reason": "Target.HealthCheckDisabled",
"Description": "Health checks are not enabled for this target"
}
}
]
}
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