# How to attach/detach an interface on an Instance?
### a. How to attach an interface to an Instance?
Whenever you require more than one interface for your application, you can always attach additional interfaces for your requirements.
To attach an interface, follow the steps below:
**Step 1:** [Login](https://customer.acecloudhosting.com/index.php?m=ace_product_register_addon\&action=login) to your account.
**Step 2:** Navigate to **Compute** and then click on **Instances**.
**Step 3:** Click on the **drop-down** against the instance for which you want to attach an interface.
**Step 4:** Choose **Attach Interface** from the drop-down menu.
**Step 5:** Select the **Mode of Attachment, VPC, and IP.** Click on **Submit.**
### b. How do you detach an interface from an instance?
To detach an interface, follow the steps below:
**Step 1:** Click on **Actions** against the instance for which you want to detach an interface.
**Step 2:** Choose **Detach Interface** from the drop-down menu.
**Step 3:** Select the Interface you want to detach and click on **Submit**.
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