In the window that opens, click on Dynamips / IOS Routers.Ĥ- Click the New button to add a Cisco Layer 3 Switch in the IOS Router Templates window.ĥ- Select New Image in the IOS Image window and click the Browse button to add the 元 Switch IOS image to your GNS3.Ħ- After adding the Cisco Layer 3 Switch IOS image, select 'This is an Etherswitch Router' in the 'Name and Platform' window and click the Next button.ħ- Set the RAM value for the Cisco Layer 3 Switch and click on the Next button.Ĩ- Add the NM-16ESW interface for 'slot 0' in the Network Adapters window and click on the Next button.ĩ- You need to configure the Idle-PC value for the Layer 3 Switch to function correctly on GNS3. Here is the steps to follow for installing a 元 switch:ġ- First you need to download this 元 switch image from the following link:Ģ- Run the GNS3 program after downloading the 元 Switch IOS image file to your computer.ģ- Click Edit / Preferences to add a Layer 3 Switch on GNS3.
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