INSTALL GNS3 LINUX INSTALL
We will use GNS3 to build a simulated network consisting of open-source routers, switches, and hosts so we only need to install the GNS3 GUI, the GNS3 Server, and VPCS. I provide the list of commands in this post.
To install the latest version of GNS3 on an Ubuntu Linux system, install the dependencies, download the GNS3 source files, and compile the software. The GNS3 development team is working on packages for GNS3 1.x but, as of the time I post this, it is not clear when they will be available. The latest version of the GNS3 package for Debian/Ubuntu is GNS3 0.8.7. The Ubuntu repository and the GNS3 PPA only provide packages for old versions of GNS3.
INSTALL GNS3 LINUX SOFTWARE
The latest version of GNS3 cannot be installed using a package manager like Ubuntu Software Center or Synaptic because no packages have been created yet for GNS3 1.x. Since then, they have been regularly updating GNS3 and, at the time I write this, the latest version of GNS3 is version 1.3.7.
INSTALL GNS3 LINUX SIMULATOR
You can also use the “sudo apt autoclean & sudo apt autoremove” command to clean the residual files of the simulator program from your Linux Mint system.The GNS3 development team produced a major new release, version 1.0, in October 2014. sudo apt remove gns3-server gns3-gui Copy To remove the GNS3 simulator and its dependent packages, execute the “sudo apt remove gns3-server gns3-gui” command in the terminal and then press Y and Enter to confirm deletion of all packages. If you want to remove GNS3 after backing up all the network projects you have made on your Linux computer, you can do this with a single command. To test the network connection from PC2, ping R1’s Fa0/0 interface, and PC1. R1(config-if)# ip address 192.168.1.1 255.255.255.0Īfter assigning IP addresses to all devices, test the connection by pinging PC1 to R1’s Fa0/0 interface and PC2. ip 192.168.1.20/24 192.168.1.1 Copyįinally, execute the following commands on the console in order to assign an IP address to the Router’s FastEthernet 0/0 interface. Likewise, execute the “ip 192.168.1.20/24” command to assign an IP address from the same IP block to VPCS PC2. Then open Console Applications in the General tab and change XTERM to GNOME TERMINAL.ĮRROR: Could not start Telnet console with command ‘xterm -T “PC1” -e “telnet localhost 5002″‘: No such file or directory: ‘xterm’ NOTE: If you see that the telnet console cannot be started when you want to configure the VPCSs after running all the devices in the topology, click Edit / Preferences from the tool menu of GNS3. To assign IP addresses to computers in the network environment, open the console by double-clicking on VPCS PC1, and then execute the “ip 192.168.1.10/24” command. In this case, open the terminal and re-download and compile the uBridge software for GNS3 from Github to fix the problem.ĮRROR: => Error while creating link: uBridge is not available, path doesn’t exist, or you just installed GNS3 and need to restart your user session to refresh user permissions. NOTE: You may get a uBridge error when you try to connect the Cisco Switch to FastEthernet 0/0 or one of the other ports of the Router. Add two VPCS to the workspace as virtual PC.Īfter enabling the cabling option, connect the VPCSs to the free Ethernet interfaces of the Switch.Ĭable the Cisco Switch to the FastEthernet 0/0 interface of Router R1.
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