In this video, learn how to gather and analyze debug output for site-to-site VPNs using IKEv2 on Cisco Secure Firewall Threat Defense (FTD) via the CLI. Discover the right commands to diagnose tunnel issues, validate phase 1 and 2 negotiations, and accelerate your troubleshooting process in IPSec environments. Related links: Cisco Secure Firewall VPN Configuration Guide → #:~:text=Configuring%20Remote%20Access%20VPN,Traffic%20Filters%20Attributes?dtid=osclytb001771 Cisco Secure Firewall Threat Defense Overview → #:~:text=The%20Cisco%20Secure%20Firewall%20Threat%20Defense%20Virtual%20combines%20Cisco's%20proven,private%2C%20and%20public%20cloud%20environments.?dtid=osclytb001771 What you’ll learn in this video: – How to enable and capture IKEv2 debug logs from the FTD CLI – Key phases of site-to-site VPN negotiation and common failure points – Best practices for interpreting logs to resolve VPN connectivity issues Discover how Cisco is transforming industries with cutting-edge technology and business-driven innovation. From enhanced performance to stronger security, explore how digital transformation is reshaping the future. Learn more: Cisco Official Site → Cisco Products & Services → Cisco Solutions → Contact Us → Follow Us on Social Media: Cisco LinkedIn → Cisco Twitter → Cisco Instagram → Cisco Facebook → Got questions or insights? Drop them in the comments—we'd love to hear from you! Don’t forget to like, subscribe, and hit the bell icon to stay updated on the latest with Cisco. #Cisco #FTD #IKEv2 #SiteToSiteVPN #VPNDebugs #IPSec #FirewallCLI #CiscoSecure #NetworkSecurity #TroubleshootingVPNs