Simple Low Cost WAN Link Simulator Recommendations

Matthew Petach mpetach at
Sun Mar 20 17:20:58 CDT 2011

On Thu, Mar 17, 2011 at 6:57 AM, Loopback <loopback at> wrote:
> Need the ability to test Network Management and Provisioning applications
> over a variety of WAN link speeds from T1 equivalent up to 1GB speeds.
>  Seems to be quite a few offerings but I am looking for recommendations from
> actual users.   Thanks in advance.

We've used FreeBSD + dummynet on a multi-NIC box in bridging mode
to do 'bump on the wire' WAN simulations involving packet loss, latency,
and unidirectional packet flow variances.  Works wonderfully, and the price
is right.


More information about the NANOG mailing list