GNS3 and Windows 7 64bit
Hello all, I've been asked this via mail as it seems some people are having problems making GNS3 working with this release of the Operating System so here we go.
First of all you need to download the GNS3-All-In-One package from . Once you've downloaded the package simply launch the exe file and basically just answer yes/next whenever prompted, just be sure to select all components when asked like in the following picture :
Once the the installation is completed GNS3 will ask you to configure and test Dynamips, here if you're using an x64 OS the path will need to be changed to reflect the actual location of where the Dynamips executable has been installed as you can see in the following pics :
If after changing the path the Dynamips test still shows a red Failed the problem may reside in Windows Firewall blocking the Dynamips executable, keep also in mind you could see a pop up asking what to do (of course tell the Firewall to simply allow the executable).
Once done this you're ready to go and start your Cisco Lab after loading some IOS images :) I've already blogged on how to configure GNS3 and make it work!
Happy labbing and as always please feel free to send me an email or comment below this post.
Cheer Lethe.
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i have windows 7 OS… i have installed GNS3 succesfully, Dynampis is test successfull in green. I have IOS image also for 3600 router.But when i try to get console access getting message Telnet is not a valid command ….. can any one please suggest
@vinay:Hi there Vinay, I guess your problem is that, by default, telnet client does not get installed in Windows Vista/7/2008. You have two choices, or you can manually install the default telnet client or, and I suggest you this path, download a copy of putty copy the executable somewhere and configure GNS3 to use Putty for console access. I’ve described the process in this post http://blog.ccielogs.com/2009/01/26/gns3-how-to-configure-putty-for-console-access/ Let me know if this helped.
Thanks a lot Lethe .. it worked .we have to enable telnet .in Windows 7 …. Open control panel.
Then go into programs.
Then in programs and features there should be a part that says ‘turn windows features on or off ‘ .
Click ‘turn windows features on or off ‘ then on the list that appears simply check the box beside: Telnet Client.
Then click ok.
this worked and i am able to get console access .
I’m glad you’ve been able to solve the problem :) Thanks for the explanation, I’m sure people will benefit of it ^-^
Lethe.