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1. #CISCO ROUTER IOS IMAGE FOR GNS3 HOW TO#
2. #CISCO ROUTER IOS IMAGE FOR GNS3 INSTALL#
3. #CISCO ROUTER IOS IMAGE FOR GNS3 SERIAL#
4. #CISCO ROUTER IOS IMAGE FOR GNS3 PC#

You must adjust the IDLE-PC value so that it does not affect the performance of your computer while the Cisco Router is running. Select the “FastEthernet” interface configured by default and click the “Next” button.

You can add interfaces for the Router on the “Network Adapters” page. Continue by clicking the “Next” button to accept the default 512 MB RAM value. In the “Memory” page, you can configure how much RAM the Cisco Router will use in this window. On the “Name and platform” page, select the Cisco Router platform and click the “Next” button. On the “IOS image” page, click the “Yes” button to copy the router IOS image to the default location. After adding the IOS image, click the “Next” button. In the “Select an IOS image” window that opens, select an IOS image that you downloaded to your computer and click the “Open” button. In the IOS images window, click the “Browse” button on the “IOS image” page to add the Router image. To add a Cisco Router IOS image, select “Add an IOS Router using a real IOS image” from the “Add virtual machines” page. After selecting the Local Server option, click the “Next” button.

Select Local Server in the Setup Wizard window. Tftp-server flash: running GNS3, the first opening of the program is as follows. The following is an example command for FastEthernet0/0 with IP address 192.168.1.111/24 and the file name of the IOS image file on the flash memory is “”. Then, use the tftp-server command to enable TFTP download of the IOS file on the flash memory. First, set the IP address of the interface that is connected to the PC, and any value for the IP address can be used as long as it allows communication with the PC. Configure the real router as a TFTP serverĬonfigure the real router as a TFTP server. It will vary depending on the actual router. The router interface name is FastEthernet0/0 (Fa0/0) as an example.

#CISCO ROUTER IOS IMAGE FOR GNS3 PC#

Or, connect the Ethernet interface of the router and the PC through a switching hub. When the Ethernet interface is not up, wire it with a cross cable. Since you need to configure the router, you also need to connect the console. Connect the Ethernet interface of the router and PC with a UTP cable. Wire the actual router and PC to which you want to download IOS.

#CISCO ROUTER IOS IMAGE FOR GNS3 HOW TO#

How to download IOS of the real router to your PC

#CISCO ROUTER IOS IMAGE FOR GNS3 SERIAL#

Modern PCs don’t have a serial port, so a console cable that connects directly to the USB port would be useful. Your PC will need a wired Ethernet interface.

#CISCO ROUTER IOS IMAGE FOR GNS3 INSTALL#

Let’s see how to install any image on GNS3 step by step. Here’s what you’ll need to download the IOS of the real router to your PC Here, our aim is to learn how to install Cisco GNS3 IOS images. Outside of studying for certification, you don’t really need to use the latest IOS to understand how the basic protocols work. While the latest IOS 15.x is not available for these models, you don’t need much of the latest IOS to study for the Cisco certification exam most technologies in CCNA-CCNP as well as CCIE Routing & Switching can be adequately validated on these routers. The following are recommended models of Cisco routers that are easy to use with GNS3. Please download the IOS image file of the actual device to the PC that will use GNS3 in advance. The IOS of a real device is necessary to emulate the Cisco router with GNS3. Click the Yes button to extract the compressed GNS3 Cisco IOS image. Select the Router image that you downloaded to your computer and click the Open button. How to download IOS of the real router to your PC GNS3 requires IOS Click Browse to specify the location of the image file.