Change the symbol to a multilayer switch icon for better visual identification. Click OK and Apply . 4. Troubleshooting and Optimization

For , I recommend using IOSvL2 (from Cisco Modeling Labs — CML) or the 3725 + NM-16ESW method. Both give you reliable L2 features like STP, EtherChannel, and VLANs.

Q: Can I use a Cisco switch IOS image for commercial purposes? A: No, Cisco IOS images are copyrighted and can only be used for personal, non-commercial use.

: If you own a physical Cisco router (e.g., a 3725 or 7200), you can legally copy the IOS image from its flash memory to your computer for use in GNS3. Recommended Images for Switching

For $199/year (Personal Edition), you get access to official Cisco images, including:

Your imported Cisco Switch will now appear in your GNS3 device inventory list under the icon (represented by a square icon with four arrows). Testing Connectivity and Features

There are three primary legal methods to obtain images for GNS3:

Launch your GNS3 GUI. Ensure your GNS3 VM is running and connected.

Not all IOS images are created equal.