IOS-XE FlexVPN Static VTI
Cisco IOS-XE routers support various types of secure IPSec VPN's including Static Virtual Tunnel Interfaces (SVTI), which is a route based VPN commonly referred to as FlexVPN. With a FlexVPN…
IOS-XE FlexVPN certificate authentication
This post describes the steps to configure certificate authentication for a VPN on a Cisco IOS-XE router. Configuration The certificates in this FlexVPN lab are signed by the CA called…
IOS-XE FlexVPN Overview
FlexVPN is a framework to configure IPSec VPNs on Cisco IOS devices; it was created to simplify the deployment of VPN solutions of all type (Site-to-Site, Remote Access etc). It…
IOS-XE GRE over IPSec VPN
GRE over IPSec VPN A GRE over IPSec VPN is a legacy solution that uses a crypto map to encrypt GRE traffic between two peer routers. GRE tunnels are required…
IOS-XE IKEv2 VRF aware Policy Based VPN
IOS-XE IKEv2 VRF aware Policy Based VPN This post describes the steps to configure a VRF aware Policy Based (Crypto Map) VPN on Cisco IOS-XE routers. A Front-door VRF called…
IOS-XE Remote Triggered Blackhole
IOS-XE Remote Triggered Blackhole Remotely Triggered Black Hole (RTBH) is a filtering technique that is used for mitigating Distributed Denial of Service (DDoS)/worm attacks and quarantine all traffic destined for…