If you do not have a hardware contract, consider using Cisco Modeling Labs (CML) to legally obtain virtual images like IOSv , which are more modern and recommended for GNS3. ⚙️ Step 2: Add the Image to GNS3
Support for NBAR, LLQ, and other traffic shaping/policing mechanisms essential for voice and video traffic simulation. Downloading for GNS3 cisco 2811 ios image gns3 download for 19