C1700 Ios Image For Gns3 For Mac

In this GNS3 Tutorial, we explain how to setup GNS3 for CCNP/CCIE labs. We will see how to install it and how to add Cisco IOS, step-by-step with pictures. Above is for Microsoft Windows, if you have another OS (Linux, Mac) check this link instead. In this example, we are installing a Cisco 1700 router. IOS files for GNS3.

In our previous article, we added the Layer 2 Switch IOS image. In this article, we will configure Layer 3 Switch IOS image. As you know, L2 Switches only transmit packets according to the MAC address table.

Layer 3 switches also use the MAC address table and additionally serve as routing.

How to Use Layer 3 Switch on GNS3

Installing L3 Switch to GNS3 is almost the same as installing a Cisco Router. To perform Switching-based operations with the simulator, you need to use L3 Switch.

With Layer 3 Switches, you can perform the VLAN, 802.1Q Trunking, and InterVLAN Routing.

Cisco Layer 3 Switch IOS Download

First, download Switch IOS image to your computer by clicking the button below.

How to Add L3 Switch in GNS3

After downloading the L3 Switch IOS image to your computer, open the network simulator, and follow the steps below.

Step 1

To add a new device, click Edit.

Step 2

From the Edit menu, click Preferences.

Step 3

In the General Preferences window, click the IOS Routers tab.

Step 4

Previously we added L2 Switch from Qemu VMs. To add L3 Switch, click the New button in the IOS Router templates window.

Step 5

In the IOS Image window, select New Image, then click Browse.

Step 6

Select the IOS you downloaded from the above button and click the Open button.

Step 7

The GNS3 program asks if you want to copy the IOS to the default image folder, click Yes.

Step 8

After adding Switch IOS, click Next to continue.

Step 9

In this step, select “This is an EthernetSwitch Router” and then click Next.

Step 10

Leave the RAM value of Layer 3 Switch as default and click Next.

Step 11

In the Network Adapters window, select the NM-16ESW interface in Slot 0 and continue to the next step.

Step 12

Click the Idle-PC Finder button to select the optimal value for your computer’s processor performance for Layer 3 Switch IOS.

Step 13

Wait while calculating the Idle-PC value.

Step 14

After determining the optimal Idle-PC value for IOS, click OK to continue.

Step 15

As you can see in the image below, the Layer 3 Switch (EtherSwitch Router) has added successfully.

Step 16

Drag and drop the Switch to the GNS3 workspace.

Step 17

Create a topology as follows and double click on L3 Switch.

Step 18 Typeit4me 6 mac typeit4me 6 for mac.

Now, to test the Switch, execute the show vlan-switch command in the CLI command interface.

Configure the switch by executing the following commands.

Step 19

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Configure the VPCS and then ping the VLAN1 interface to test the connection as follows.

Step 20

You can see that pinging between VPCS is successful.

Show Commands

GNS3 L3 Switch Configuration ⇒ Video

You can watch the video below to use Switch on GNS3 and also subscribe to our YouTube channel to support us!

Final Word

In this article, we examined the GNS3 Layer 3 Switch settings, the most popular network simulator program used to prepare for Cisco exams. Thanks for following us!

Related Articles

♦ GNS3 VM Network Settings
♦ How to Install Router in GNS3 VM
♦ How to Use VLANs in Layer 2 Switch
♦ How to Run GNS3 in Linux
♦ How to Configure a Cisco Switch