2600 Series IOS for Gns3:
The Cisco 2600 Series is an modular multiservice access routers, which can provide LAN and WAN solution for small business, and a range of high-performance processors. The wide range of features and interfaces and the flexibility of adding more than 50 modules makes the Cisco 2600 Series the ideal branch-office router for today's and tomorrow's customer requirements.Ref:www.cisco.com/c/en/us/products/collateral/routers/2600-series-multiservice-platforms/product_data_sheet0900aecd800fa5be.html
Cisco 2691 is one of useful IOS for GNS3, using this image you can create different Network Labs in GNS3. With 2691 IOS image you can use following Ports/slots:
- Ethernet Slot
- NM slots | 16 FastEthernet slot
- Serial ports or WIC slots
You can Download and install this IOS for GNS3 only. Download 2691 GNS3 IOS for GNS3 from here.