In this video, We will walk you through the process of adding a secondary security gateway to a Checkpoint Smart Console. We'll cover configuring network settings, updating security policies, and ensuring seamless communication between your manager and the secondary firewall. Whether you're setting up your security infrastructure or troubleshooting issues, this step-by-step guide will help you manage your network more effectively. 

1. Topology Overview: Explanation of the network topology and the need for configuring the manager to communicate with the secondary firewall.
2. Security Policy Configuration: Logging into the Smart Console, checking existing devices, and adding a new security policy to allow traffic from the manager to the secondary firewall.
3. Adding the Gateway: Using the Smart Console's wizard mode to add the secondary firewall, setting its IP, and attempting to establish trust.
4. Resolving Issues: Addressing issues such as policy conflicts and incorrect default gateways by adjusting settings in the web UI and Smart Console.
5. Publishing and Installing Policies: Ensuring changes are published and policies installed to enable proper communication and finalizing the addition of the secondary firewall.

The video emphasizes the importance of publishing changes, adjusting default gateways, and ensuring proper policy configuration to successfully add and communicate with the secondary firewall.