# AWS Additional Interface

This page guides people to add additional network interfaces to the ProSBC instance in AWS. Before starting this procedure you must have access to the AWS console.

1\. Login to your AWS account.

2\. Go to EC2 - > Network & Security -> Network Interfaces -> Create Network Interface

<figure><img src="https://docs.telcobridges.com/w/images/thumb/e/ec/Aws_interface_1.png/600px-Aws_interface_1.png" alt=""><figcaption></figcaption></figure>

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3\. Follow the procedure below to Create a network interface page

<figure><img src="https://docs.telcobridges.com/w/images/thumb/1/1c/Aws_interface_2.png/400px-Aws_interface_2.png" alt=""><figcaption></figcaption></figure>

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Description: Description of the new interface.

Subnet: In this section select the subnet that is already assigned to ProSBC Interface. You can find that information under the Instance Details.

In the Security groups, assign the correct security group to new interface:

<figure><img src="https://docs.telcobridges.com/w/images/thumb/f/f0/Aws_interface_3.png/400px-Aws_interface_3.png" alt=""><figcaption></figcaption></figure>

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Click on to Create network interface button.

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4\. You can assign an Elastic IP address to new created Network Interface. Go to EC2 - > Network & Security -> Network Interfaces -> Elastic IPs. If you already allocate elastic IPs that are not used assign one of them the to newly created interface. If you don’t have any elastic IP click on Allocate Elastic IP address button to get a new Elastic IP address.

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5\. In the EC2 Instances, choose the one you want to add to the new network interface. Go to Actions -> Networking -> Attach Network Interface

<figure><img src="https://docs.telcobridges.com/w/images/thumb/a/a6/Aws_interface_4.png/400px-Aws_interface_4.png" alt=""><figcaption></figcaption></figure>

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Select the new interface you created from the Network Interface drop-down menuı and click to Attach button.

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<figure><img src="https://docs.telcobridges.com/w/images/thumb/e/e2/Aws_interface_5.png/400px-Aws_interface_5.png" alt=""><figcaption></figcaption></figure>

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6\. To assign the interface in the ProSBC, you need to reboot the instance. You can reboot from CLI or use AWS to reboot it.

<figure><img src="https://docs.telcobridges.com/w/images/2/2c/Aws_interface_6.png" alt=""><figcaption></figcaption></figure>

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7\. Access the Web Portal to add the new interface in the SBC configuration

<figure><img src="https://docs.telcobridges.com/w/images/thumb/f/f5/Aws_interface_7.png/400px-Aws_interface_7.png" alt=""><figcaption></figcaption></figure>

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<figure><img src="https://docs.telcobridges.com/w/images/thumb/b/ba/Aws_interface_8.png/400px-Aws_interface_8.png" alt=""><figcaption></figcaption></figure>

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<figure><img src="https://docs.telcobridges.com/w/images/thumb/6/6e/Aws_interface_9.png/400px-Aws_interface_9.png" alt=""><figcaption></figcaption></figure>

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8\. Follow the procedure below to configure new IP Interface

* [Configuring IP Interfaces](/configuration-details/configuration-by-web-portal-category/ip-network-settings/configuring-ip-interfaces.md)


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