Generic Routing Encapsulation – GRE is a tunneling protocol originally developed by Cisco that encapsulates […]
Linux Core 6.3 as Routing and Switching VMware Appliance
Two weeks ago I finished creating a network host based on Linux Core 6.3 installed […]
Linux Core 6.3 as Network Host on VMware Disk
The Core Linux is a small modular Linux distribution that provides only a command line […]
Cloning Remote Linux Machines
Recently, I have been asked to find a way how to clone Linux machines running […]
Public Key Authentication on Cisco IOS
Have you ever been in that situation that you needed to apply the same configuration […]
Decapsulation ERSPAN Traffic With Open Source Tools
Cisco Encapsulated Remote SPAN (ERSPAN) feature allows to monitor traffic on one or more ports […]
Qemu ASAv Appliance as Personal Firewall on Linux
The article discuss how to run Cisco Adaptive Security Virtual Appliance (ASAv) on KVM hypervisor […]
PfSense VirtualBox Appliance as Personal Firewall on Linux
The tutorial explains how to set up pfSense VirtualBox appliance in order to use it […]
How to configure GNS3 installed on Linux to support more than 8 NIC for Qemu Instances
Recently I have read a question on GNS3 forum asking whether Qemu supports more than 8 […]
Alcatel-Lucent Virtualized Simulator on GNS3
The Alcatel-Lucent virtualized Simulator (vSim) is a virtualization-ready version of SR OS called SR OS-VM. […]