How To Reduce Computer Problems?
This document explains the way to install GNS3 employing a Windows environment. You will learn how you can:
- Download the necessary software
- Install prerequisite and optional software
Supported Operating Systems
GNS3 props up following Windows os's:
- Windows 7 SP1 (64 bit)
- Windows 8 (64 bit)
- Windows 10 (64 bit)
- Windows Server 2012 (64 bit)
- Windows Server 2016 (64 bit)
Note: The 32 bit version just isn't discussed within this guide. For 32-bit CPU or older os, please look at this documentation.
Minimum Requirements
The following will be the minimum requirements to get a Windows GNS3 environment:2 or higher Logical cores
4 GB RAM
1 GB available space (Windows Installation is < 200 MB).
You could need additional storage for the operating system and device images.
IMPORTANTThe hardware requirements allow me to share minimum requirements for just a small GNS3 environment. If you wish to create complex environments with a lot of devices, your hardware requirements increases.
Recommended Requirements
The following will be the recommended requirements for the Windows GNS3 environment:
4 if not more Logical cores - AMD-V / RVI Series or Intel VT-X / EPT
16 GB RAM
35 GB available space
Virtualizing devices is processor and memory intensive. More is best but properly configured device trumps RAM and Processing power.
IMPORTANTThe hardware requirements allow me to share recommended for just a small GNS3 environment. If you need to create complex environments with lots of devices, your hardware requirements raises.
Optimal Requirements
The following include the optimal requirements to get a Windows GNS3 environment:
REQUIREMENT
Operating System
Windows 7 (64 bit) or later
Processor
Core i7 CPU
8 if not more Logical cores - AMD-V / RVI Series or Intel VT-X / EPT
Virtualization
Virtualization extensions required. You may require to enable this via your computer's BIOS.
Memory
32 GB RAM
Storage
Solid-state Drive (SDD)
80 GB available space
Additional Notes
Virtualizing devices is processor and memory intensive. More is much better, but an effectively configured device trumps RAM and processing power.
IMPORTANTIf you wish to create complex environments with many different devices, your hardware requirements increase.
Video
Download GNS3
Using an internet browser, browse to https://gns3.com and click on the Free Download link:
If you haven't already registered for the GNS3 site, you will end up prompted to make an account.
Once you’ve done the form, click Create Account & Continue to progress for the download section
If you already have a forex account, click Login, enter your username/password, and click Login & Continue.
After login, you can be prompted to decide on the version of GNS3 to download. In this guide, we're going to select the Windows installation. Click the Download button to download the GNS3-all-in-one package:
NOTEThe GNS3-2.1.11-all-in-one-regular.exe file is approximately 54.7MB in dimensions.The amount of time it requires to download is determined by your Internet speed.
IMPORTANTThe GNS3-2.1.11-all-in-one-regular.exe file is surely an executable Windows file. If you've got issues downloading, ensure your security policies like firewall and antivirus rules enable the downloading of .exe files.
The GNS3-all-in-one package will automatically be downloaded on your PC. Make sure to click Save as an alternative to Run:
You go for an option to download a totally free version on the SolarWinds Network Engineers Toolkit (it is a subset with the full Pro version).
Install GNS3
Follow these steps to download GNS3 over a local Windows PC.
NOTEThis guide only discusses a nearby Windows installation (Dynamips). If you might be using the GNS3 VM, please refer on the GNS3 VM installation guide.
Navigate in Windows Explorer in your Downloads folder and after that double-click on the GNS3-2.1.11-all-in-one-regular.exe file:
NOTEIf you've configured your browser to download files completely to another directory for the default Downloads directory, search for the GNS3-2.1.11-all-in-one-regular.exe file (or even the version of file you downloaded) for the reason that directory.
If displayed, go through the Run button to begin the GNS3 installation (it’s extremely hard to take a screenshot from the UAC prompt with this, but allow setup to carry on)
NOTEThe GNS install process will run multiple installation wizards. If the process have stalled, see if additional windows happen to be opened which can be waiting for the input.
The GNS3 Setup wizard displays. Click Next > to begin the installation:
GNS3 is provided for free open source software distributed in the GNU General Public License Version 3. Read the license agreement, of course, if you trust the contents, click on the I Agree button to carry on the installation:
Select the Start Menu folder with the GNS3 shortcut. The default would be the GNS3 folder. Click Next > to carry on the installation:
GNS3 comes bundled with assorted prerequisite and optional software. By default most applications are selected for installation, however you can elect to only install specific software.
If you're unsure, leave all software selections at their default selection and then click Next > to carry on the installation:
NOTERecent versions of Windows 10 produce an issue with WinPcap. If Wireshark hangs while wanting to use it inside a GNS3 topology, consider switching to Npcap instead. Instructions is found lower down on this document.
Here is often a brief description of software:
Item
Required?
Description
WinPCAP
Required for connecting GNS3 on your computer network. Used by Cloud and NAT nodes allowing your projects to convey with the outside world.
Npcap
Modern replacement to WinPCAP know to repair issues with Win10 but is less tested than WinPCAP.
Install Npcap together with the “WinPcap API-compatible Mode” option selected.
Wireshark
Allows someone to capture and examine network traffic sent between nodes..
Dynamips
Required to run an area installation of GNS3 with Cisco routers. Only unselect if you happen to be going to exclusively utilize the GNS3 VM.
QEMU 2.4.0 and 0.11.0
A computer emulator employed to emulate the whole computer which often can for example be Linux. The older Qemu version 0.11.0 is set up on order to compliment old ASA devices. It is recommended to utilize GNS3 VM instead.
VPCS
A very light PC emulator that supports basic commands like ping and traceroute
Cpulimit
Optional
Used to prevent QEMU using 100% of the CPU (if it is running) now and again like with all the old ASA devices
GNS3
Required
The core GNS3 software. This is always required.
TightVNC Viewer
A VNC client used to get in touch to appliance graphical user interfaces.
Solar-Putty
The new default Console application.
Virt-viewer
Recommended
Alternate displayer of Qemu desktop VMs that contain qemu-spice pre-installed.Choose an install location. The default location is C:Program FilesGNS3. Then click Install:
The output displayed is determined by what you might have selected to set up.
- If that you are new to GNS3 and this can be a new install, go to your next step.
- For WinPCAP install instructions go on the next step.
- For Wireshark install instructions
- For SolarWinds Response Time Viewer install instructions
- For GNS3 install instructions
If WinPcap is definitely installed, a stern warning message is displayed. It just isn't necessary to reinstall WinPcap. Click Cancel if you don't want to reinstall WinPcap and go directly to your next step. Click OK to carry on re-installing WinPcap:
The WinPcap installation wizard displays. Click Next > to carry on the installation:
The WinPcap License Agreement displays. Read the agreement and when you agree, select the I Agree button to remain with cellular phone:
Leave the checkbox Automatically start the WinPcap driver at boot time checked and click on Install:
The WinPcap installation continues. Click Finish to complete mobile phone:
If you selected that Wireshark needs to be installed, the GNS3 setup software will download the Wireshark install files. Wait for that process to accomplish:
GNS3 will perform a silent install of Wireshark. Wait to the process to accomplish:
The core GNS3 software programs are installed. Wait for that process to try and do:
OptionalIf that you are interested, install the Solarwinds Standard Toolset. This costs nothing evaluation (a $200 value). Otherwise Select No and click on Next > to keep:
You’ll be redirected with a webpage on Solarwinds, that you enter registration information, so that you can download the Toolset:
After registration and clicking the Download Free Toolkit link, you’ll be redirected for an informational page asking that you just check your email, and also instructions on the way to activate your license for that Standard Toolset:
Congratulations! You have successfully installed GNS3. A browser window will open showing additional help and options. Leave the Start GNS3 checkbox enabled and then click Finish to accomplish the GNS3 installation. Click here to to get a walkthrough utilizing the Setup Wizard to configure and makes use of the Local Server.
NOTE: If you intend on while using GNS3-VM to operate your devices, the please leave this window open and minimized inside your taskbar, proceed with importing the GNS3-VM first (please simply click here to see those steps), and after that come back to accomplish this step as soon as the GNS3-VM has become imported.
*NOTE* If you happen to be running Win10 using the latest updates, and experience problems with Wireshark hanging while attempting to initialize interfaces, it’s worth giving the newest Npcap a go.
First, uninstall WinPcap and reboot. Next, either re-run the GNS3 All-In-One installer (ncap v0.99-r7 is protected as an optional install), or start your web browser and navigate to http://www.nmap.org/npacp/.
