How to Configure Site-to-Site VPN Between Palo Alto and Cisco FTD | Using Pre-Shared Key (PSK)

In this step-by-step tutorial, you’ll learn how to configure a site-to-site VPN between a Palo Alto firewall and a Cisco Firepower Threat Defense (FTD) firewall using a pre-shared key (PSK) for authentication. This practical guide covers every stage of the configuration process, from interface setup to VPN testing, so you can confidently deploy secure IPsec tunnels between your networks. 🔧 What You'll Learn: ✅ Configuring IKE Phase 1 and Phase 2 parameters on Palo Alto and Cisco FTD ✅ Setting up tunnel interfaces and assigning IP addresses ✅ Creating and applying security and NAT policies for VPN traffic ✅ Verifying VPN status and troubleshooting connection issues ✅ Best practices for secure and stable VPN configuration 🧠 Prerequisites: Basic understanding of IPsec VPN concepts Access to Palo Alto and Cisco FTD devices A defined network topology and PSK ready for configuration 🌟 Whether you’re a network engineer, security specialist, or IT student, this video will guide you through a real-world VPN configuration that can be applied in enterprise environments.