ASA VPN preempt
ASA VPN preempt The Cisco ASA supports multi-peer VPN, useful when an organisation requires a primary and backup VPN tunnel. When the ASA detects the VPN to the primary peer…
ASA IKEV2 Policy Based VPN
ASA IKEV2 Policy Based VPN A VPN will be setup between the 2 Cisco ASA firewalls (ASAv-1 and ASAv-2). The 2 routers (R1 and R2) will act as hosts in…
ASA Dynamic VTI
Cisco Secure Firewall ASA version 9.19 introduces the Dynamic Virtual Tunnel Interfaces (DVTI) route-based VPN, which is an alternative to a policy-based VPN (crypto map). VTI is always up, unlike…
ASA tunnel internet over VPN
ASA tunnel internet over VPN In some circumstances organisations require routing internet traffic over an IPSec VPN back to the Data Centre and then access the internet from the Data…
Securing IOS-XE VPNs
Securing IOS-XE VPNs This post provides some guidelines in securing an IPSec VPN on a Cisco IOS-XE router to reduce the attack surface when acting as a VPN gateway. Disable…
IOS-XE FlexVPN Client Profile
The FlexVPN client profile is an optional component used on the spoke (client) routers, which consists of settings used to connect to the FlexVPN server (hub) gateway, including the following:…