PfSense VirtualBox Appliance as Personal Firewall on Linux

The tutorial explains how to set up pfSense VirtualBox appliance in order to use it as a personal firewall on Linux. It shows Linux network configuration to support this scenario and provides an installation script that automatically builds a VirtualBox virtual machine ready for pfSense installation. It also describes pfSense installation and shows minimal web configuration needed […]
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GNS3, Qemu, VirtualBox and Dynamips on Debian

GNS3 is based on Dynamips and Dynagen (a text-based front-end for Dynamips) to create a complete virtual Cisco network, adding many additional features and most importantly making it easy to create, change and save your network topologies. It also supports Qemu virtualizer/emulator and VirtualBox. The tutorial shows installation of Qemu and Dynamips on Debian from sources. […]
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Linux Core Virtual Appliances

Linux Core Network Host This part contains Qemu, VirtualBox and VMware images of the Core Linux. Depending on installed extensions,  images can be used used either as a network host or a Layer 3 switch. Thanks to this enhancement Linux Core network host can measure throughput, simulate, capture and filter network traffic. Similarly, the image with installed […]
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How to connect Cisco 7206VXR running inside GNS3 on Linux to Cisco Configuration Professional 2.2

The article shows how to connect router Cisco 7206VXR running inside GNS3 Linux version with Cisco Configuration Professional 2.2 (CCP). According to the reference ccp_rel_notes sheet the only router available in GNS3 and supported by CCP together is Cisco 7206VXR. Note:   Cisco IOS running on the router should minimum  12.4(9)T version. WAN connection for 7206VXR […]
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GNS3 on Fedora

GNS3 is based on Dynamips and Dynagen (a text-based front-end for Dynamips) to create a complex virtual Cisco networks, adding many additional features and most  importantly making it easy to create, change and save your network topologies. It was also extended for Qemu virtualizer/emulator and VirtualBox support. The next steps we will show how to […]
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How to run JUNOS installed on Qemu on VirtualBox - Part2 UDP Tunnels and Multicast Testing

In a previous tutorial we have showed how to convert Olive Qemu image to VirtualBox image. Assuming that you have your Olive Vbox hard disk ready, we are going to test if  VirtualBox supports UDP tunnels and multicast traffic. LAB Description and Purpose  GNS3 lab with two VirtualBox Olives is created. Olives are occupied with […]
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How to run JUNOS installed on Qemu on VirtualBox - Part1 Introduction

1. What is Olive? In theory, Olive is JUNOS installed on x86-based hardware instead of Juniper hardware. 2. What is JUNOS? It is a network operating system developed by Juniper. 3. Why could I use Olive? If you are interested in learning JUNOS, building Olive is probably the most cheapest way to do it. Instead […]
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Installing Olive 12.1R1.9 under Qemu

Introduction The article describes installation of Junos 12.1R1.9 on emulated x86 hardware. Hardware is emulated by Qemu  and Junos installed on it is known as  Olive. As Olive does not have Packet Forwarding Engine PFE attached, packet forwarding is  exclusively depending on performance of the host CPU.  In addition, they are also configuration known not working […]
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VirtualBox Installation and Configuration on Fedora Linux

This brief how-to  explains how to install Oracle VirtualBox and Oracle Extension pack on Fedora Linux and convert VMware VMDK virtual disk to VirtualBox VDI disk. Finally, we discuss conversion of a normal VDI disk type to multiattach VDI type. VirtualBox Installation 1. Add Oracle VirtualBox Repository $ sudo wget http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo -P /etc/yum.repos.d 2. Install VirtualBox Dependencies $ sudo yum install gcc […]
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