IPsec FlexVPN Explained: One Framework for Site-to-Site, Hub-Spoke, and Remote Access Every Cisco engineer eventually inherits a router with four different VPN styles bolted onto it: a crypto map for the J Jul 13, 2026 10 min read
IPsec FlexVPN Spoke-to-Spoke: Dynamic Tunnels Without DMVPN The design, the config, and exactly how far we got on a real cat8000v. Hub-and-spoke worked. The NHRP shortcut never fired. Here is how you tell the difference. J Jul 13, 2026 10 min read
IPsec FlexVPN Site-to-Site Configuration on IOS XE FlexVPN is what happens when Cisco stops bolting features onto crypto maps and rebuilds the whole thing on top of J Jul 13, 2026 12 min read