Cisco 3725 Router Image for GNS3

When it comes to using Cisco IOS images on GNS3, many users may face issues. However, with the right approach, you can successfully work with CCNA exams using this software. In this article, we will explore the differences between various Cisco IOS images and how to use them on GNS3.

What are Cisco IOS Images for GNS3?

Cisco IOS Images for GNS3 are classified as Routing and Switching virtual machines (R SVMs) for short. These images allow you to run a second category of switches and routers using the Dynamips emulator, which is dedicated to emulating some Cisco hardware.

How to Use Cisco IOS Images on GNS3

GNS3 offers multiple ways to emulate IOS. You can use all the commands in real routers and switches by copying and pasting them into your device. The license for this internet software is freeware, making it free to download and use.

Downloading Cisco IOS Images from Cisco Website

To download Cisco IOS images, you need to access the Cisco website. This requires a valid license. You can also download Dynamips images from below links.

Installing IPS/IDS in GNS3

To install IPS/IDS (Intrusion Prevention System) in GNS3, follow these steps:

1. Open GNS3 and click on Edit > Preferences.

2. Select the 'Dynamips' option in the left pane.

3. Click on the 'New Image' button in the right pane.

Uploading Cisco IOS Images to GNS3

After installing IPS/IDS, you need to upload the Cisco IOS images to GNS3. To do this:

1. Open GNS3 and click on Edit > File > Preferences.

2. Navigate to the 'Dynamips - IOS routers' option in the left pane.

3. Select the 'New Image' option and click on the 'Browse' button.

Why Use Latest IOS Versions?

It's always better to use latest IOS versions as they provide full command support.

In conclusion, using Cisco IOS images on GNS3 can be a great way to practice for CCNA exams. By following these steps, you can successfully install and upload images to your device. If you are unable to buy original routers and switches, GNS3 is an excellent alternative.

Cisco 3725 router image for gns3