UNetLab Common Issues

These are the common issues I encountered in setting up UNetLab and how I fixed these issues. I’m sharing this so UNetLab users will benefit from it. I will constantly update this list as I progress.

Issue 1: UNetLab is complaining about – Neither intel VT-X or AMD-V found. Solution: Find the .vmx file for […]


This video demonstrates on how to enable webvpn on ASA-QEMU. This is very useful for CCIE Security lab practice, thus no need for real ASA device. Watch this video in full screen and HD mode. Enjoy!

GNS3: Cisco GETVPN Configuration, KS Behind Firewall

Cisco Group Encrypted Transport VPN, eliminates the need for compromise between network intelligence and data privacy in private WAN environments. Service providers can finally offer managed encryption without a provisioning and management nightmare since GET VPN simplifies the provisioning and management of VPN. GET VPN defines a new category of VPN, one that does not […]

GNS3: IOS EzVPN Remote (Hardware Client Mode)

This video demonstrates on how to configure your router as an EzVPN Remote Server using dynamic virtual-tunnel interface (VTI). Client initiates a VPN connection through HTTP traffic then challenge by the hardware client to authenticate. The client is also presented with options to active the VPN connection or direct Internet access.

Easy VPN VTI differs […]

GNS3: IOS EzVPN Server Configuration

This how-to demonstrates how to configure EzVPN server on Cisco routers and the Cisco VPN Client 5.x. Cisco IOSĀ® Software Releases 12.4(x)T and later support connections from Cisco VPN Client 5.x and later.


Configuring Cisco ASA A/S Failover using ASA-QEMU

ASA-QEMU is a Cisco ASA simulator. It is like GNS but GNS is only for router, switch and PIX (with the latest version of GNS PEMU is already integrated). By using ASA-QEMU you can test ASA features like webvpn which is essential for CCIE Security exam. In this video it will guide you on how […]