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For testing and research purposes, I know it is possible to emulate Cisco devices (with dynamips) and Juniper ones (via an "Olive", a FreeBSD based system running on qemu) in a GNS3 environment.

Is it possible to emulate other vendor devices (like Brocade ones) in GNS3 or else ?

  • Did any answer help you? if so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. Alternatively, you could provide and accept your own answer. – Ron Maupin Aug 8 '17 at 9:18
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What I recommend is to setup a virtualized environment. Either through Vmware workstation or preferably ESXi with vSphere if you have a server to spare. That gives you a very flexible solution.

Add a VM for Dynamips
Add Olives if you like
Add ASA either via Dynamips or separately
Add the Cisco CSR1000v VM
Add a VM for Arista

That makes it easy to run inter vendor labs and you can connect them through the VM network which makes it simple to setup. I have a lab like this now and it's hosted by a friend so a VPN in to a box he setup (virtual) which is my GW. Then I can configure vSphere and anything I like and run it on the server.

If you have a powerful laptop which 8GB RAM or more you can run a lot of stuff directly on your laptop. Most of these things are RAM heavy but not that heavy for the CPU.

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It's like the site says:

  • Dynamips, the well known Cisco IOS emulator.
  • VirtualBox, runs desktop and server operating systems as well as Juniper JunOS.
  • Qemu, a generic open source machine emulator, it runs Cisco ASA, PIX and IPS.

http://www.gns3.net/

you can use these to setup a lab-network.

You can emulate the following hardware :

http://www.gns3.net/hardware-emulated

  • So in answer to the original question, does that mean that it is not possible to emulate other vendors in GNS3? – Craig Sirkin May 18 '13 at 3:38
  • I see that juniper is also possible: gns3.net/hardware-emulated – Bulki May 18 '13 at 7:56
  • You have simply explained the possibilities with GNS3, consider expanding as per the OPs question to other vendors. – jwbensley May 18 '13 at 12:25
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    @CraigSirkin "it depends". If the other vendors OS can be run in VirtualBox or Qemu, then you can emulate them. i.e. if they have a virtualized appliance(Which they'll likely advertize as being able to run in VMWare, bt Qemu or VirtualBox usually works too), that'll work - but must don't provide that. e.g. you could get Arista and Vyatta in there, but likely not HP. – nos May 20 '13 at 15:13

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