GNS3 http://www.gns3.net/
This is another network simulator, mainly for academic research.
NS-2
http://www.isi.edu/nsnam/ns/
And you can always setup some virtual machines with DNSs, hosts and
routers with open-source software.
regards,
-as
On 17 Jan 2011, at 11:58, James Jones wrote:
> Are there any good Network Simulators/Trainers out there that support IPv6? I
> want play around with some IPv6 setup.
>
> --
> James Jones
> +1-413-667-9199
> [email protected]
>
