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ADC Configuration Templates

This section guides you in applying new Application Delivery Controller (ADC) configurations on Thunder using Python scripts.

Table 6 provides an overview of the different supported Thunder configurations. These configurations are optional. You can choose to apply them based on your specific use cases. For more information, see Deployment Templates.

Configuration

Description

Change Password

Applies a new vThunder instance password.

NOTE: After the deployment of vThunder instance, it is highly recommended to change the default password for admin user.

Basic Server Load Balancer

Applies an SLB configuration for inbound traffic, outbound traffic, policies, server grouping, and routing to destination virtual servers.

Backend Server Autoscaling

Applies an SLB configuration automatically whenever backend app/web servers are autoscaled. When the backend web/app servers are in an autoscale group within the AWS cloud, autoscale-in or autoscale-out of the server triggers a Lambda function for applying or removing SLB server configuration in Thunder.

A10 License

Applies an A10 license to the vThunder instance.

NOTE:

A10 Thunder is a proprietary software that requires either a trial or BYOL (Bring Your Own License) subscription. However, pre-licensed subscription-based images from the AWS Marketplace do not require this configuration.

SSL Certificate

Applies a server connection certificate configurations. A Secure Sockets Layer (SSL) certificate is a digital certificate that verifies a website's identity and facilitates an encrypted connection. SSL is a security protocol that establishes an encrypted link between a web server and a web browser.

High Availability

Applies high availability configuration. This configuration automatically synchronizes Thunder configuration between the active and standby Thunder instances. In the event of a failover, the other standby Thunder instance is designated as active to ensure uninterrupted traffic routing. For this functionality, it is essential for both Thunder instances to have identical resources and configurations.

Autoscale Server

Creates Autoscaling Group (ASG) and Lambda Function. It configures S3 Bucket to store the template resources.

Hybrid Cloud GSLB

Applies a disaster recovery configuration using a global server load balancer across any two regions or locations, whether within the same cloud, hybrid-cloud or on-premise. It requires a minimum of two Thunder instances in each region or location —one acting as the master controller and the other as a site device.

Multiple site devices can be configured but it is recommended to have a minimum of three site devices for seamless failover and effective disaster recovery.

For a configuration with three Thunders instances, the recommended setup includes one as the master controller and the other two as site devices.

Ensure that both regions have identical set of resources.

To create and install three thunder instances in one region use Thunder-3NIC-3VM template. The same template can be used to install Thunder instances in another region.