Dell FTOS Emulator

If you are a Dell Customer or Network Engineer who work with Dell gear, this is for you. Dell provide a Dell Networking OS Emulator for tests purpose, and gain experience with FTOS testing a few scenarios, there are a few limitations but still a good tool anyway. The best thing you can run it in VirtualBox which means you can easily integrate it with GNS3.
This emulator is based on 9.8 code, it is available for download here or get it directly from community:
Dell Emulator
User Guide

Supported Features

The Dell Networking Emulator supports the following features:
• Up to five data ports and one management port (five 40G or 10G ports)
• All management-related protocols and features such as simple network management protocol
(SNMP), telnet, secure shell (SSH)
• Layer 1 link up/down status when connected to another Dell Networking OS instance
• Optics emulation
• Layer 3 features such as routing and forwarding
• Routing protocols such as border gateway protocol (BGP), open shortest path first (OSPF),
intermediate system to intermediate system (ISIS), and routing information protocol (RIP)
• Management functionalities such as dynamic host configuration protocol (DHCP), Smartscripts,
authentication, authorization, and accounting (AAA), remote authentication dial-in user service
(RADIUS), terminal access controller access control system (TACACS+), management plane isolation
• Flash and nonvolatile random access memory (NVRAM)
• 40G and 10G interfaces
• Limited Layer 2 functionality such as LLDP, LACP

Unsupported Features

The Dell Networking Emulator does not support the following features:
• Most Layer 2 features
• Network boot
• Fast path
• Stacking
• virtual link trunking (VLT)
• Fast path features such as quality of service (QoS), buffer carving, Layer 2 virtual local area networks
(VLANs)

Minimum System Requirements

The Dell Networking Emulator Requires the following:
• Any X86-based PC
• Microsoft Windows 7 operating system
• 16GB hard disk space for installing the ISO file
• A minimum of 512MB RAM per virtual machine instance
• Oracle VirtualBox, VMware, or Qemu.

Diagram below is in user guide which provides a small network with OSPF