Then verify IPEnableRouter is enabled or not from CLI. Now you can enable Router as per-needed basis. Run “ services.msc“, go to “ Routing and Remote Access“, change Startup type to “ Manual“.

More details, please refer to Windows 7 as Router & Connect GNS3 Network to Real Network / Other GNS3 Network.Īnother Easy way to Enable PC as a Router And restart your PC to let your change take effect.

( NOTE: Before your change, Fully export all your registery keys to backup is highly recommended in case any wired problem caused by the change)ġ-> Open windows 7 register editor by Clicking “Start”, and input “regedit” in the search bar.Ģ-> Go to “Computer>HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>services>Tcpip>Parameters”, find the registery key called “IPEnable Router”, change its value from 0 to 1. Here, the most important step is enabling Routing service on your Windows 7 PC to interconnect different subnets reside on your laptop NIC. Setup CME 7.1 in GNS3 and connect it to the real worldįor adding default Microsoft Loopback Network Interface, refer to GNS3 Tutorial. How to save CME flash in GNS3 and more CME lab guides in GNS3 GNS3 – How to save labs with router configs Useful Reference URLs are listed as below: Note that your running-config is not saved as start-up config until you click File->Save (it will export config to a local file which is used for config importing for every reloading or power on) after the “write” command under IOS CLI, otherwise you config disappears just after you stop the router and start again in GNS.

In order to save all your work in a GNS lab and enable you to work on it later, you need to save it as a project: File->Save Project As, and tick both the checkbox of “ Save nvrams and virtual hard drivers” & “ Save IOS startup configurations”. How to save start-up config, flash & NVRAM of a router in GNS3: So, make sure you download 7206 Router IOS.

It is clearly stated that only 7206 platform is supported on GNS3 in below URL. Only 7206 out of 7200 series Routers can be simulated in GNS3: According to below URL, it is recommended to use 7200 router in GNS with IOS 12.4(24)T which enables you to simulate CME version 7.x, while all other routers with 12.4(15)T allow you to access CME 4.x and older versions.

Cisco 7200 gns3