Tag your Classic Load Balancer

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Tags help you to categorize your load balancers in different ways, for example, by purpose, owner, or environment.

You can add multiple tags to each Classic Load Balancer. Tag keys must be unique for each load balancer. If you add a tag with a key that is already associated with the load balancer, it updates the value of that tag.

When you are finished with a tag, you can remove it from your load balancer.

Tag restrictions

The following basic restrictions apply to tags:

• Maximum number of tags per resource—50

• Maximum key length—127 Unicode characters

• Maximum value length—255 Unicode characters

• Tag keys and values are case sensitive. Allowed characters are letters, spaces, and numbers representable in UTF-8, plus the following special characters: + - = . _ : / @. Do not use leading or trailing spaces.

• Do not use the aws: prefix in your tag names or values because it is reserved for AWS use. You can't edit or delete tag names or values with this prefix. Tags with this prefix do not count against your tags per resource limit.

Add a tag

You can add tags to your load balancer at any time.

To add a tag using the console

1. Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.

2. On the navigation pane, under Load Balancing, choose Load Balancers.

3. Choose the name of the load balancer to open its detail page.

4. On the Tags tab, choose Manage tags.

5. On the Manage tags page, for each tag, choose Add new tag and then specify a key and a value.

6. After you have finished adding tags, choose Save changes.

To add a tag using the AWS CLI

Use the following add-tags command to add the specified tag:

aws elb add-tags --load-balancer-name my-loadbalancer --tag "Key=project,Value=lima"

Remove a tag

You can remove tags from your load balancer whenever you are finished with them.

To remove a tag using the console

1. Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.

2. On the navigation pane, under Load Balancing, choose Load Balancers.

3. Choose the name of the load balancer to open its detail page.

4. On the Tags tab, choose Manage tags.

5. On the Manage tags page, choose Remove next to each tag you want to remove.

6. After you have finished removing tags, choose Save changes.

To remove a tag using the AWS CLI

Use the following remove-tags command to remove the tag with the specified key:

aws elb remove-tags --load-balancer-name my-loadbalancer --tag project