Subject: Re: bandwidth shaping
To: Andrew Brown <>
From: Jon Lindgren <>
List: netbsd-users
Date: 01/11/2001 12:40:53
On Thu, 11 Jan 2001, Andrew Brown wrote:

> > > >From what I saw on ALTQ, it looked more like QoS stuff.  Of course, not
> > > knowing the framework, I'd have to rely on people who do, but it doesn't
> > > look like the type of package where I can introduce a simple
> > > latency... (although I'm crossing my fingers that you can)
> >
> >It also has a way to limit bandwidth.
> >
> >For example, you could create 2 VLANs on a 100mbps network interface,
> >and configure each vlan to have a max of 50mbps.
> that limits the bandwidth, but it sounds like what Yubyub wanted to do
> was affect the latency.  those are two different things.  other than
> getting a slower machine, i don't know if anyone can do exactly what
> it is he wants to do.

That is correct - I need to introduce a 110ms latency.  Someone was kind
enough to point out to me that "dummynet", based on freebsd (picobsd) has
the stuff to do what I need.  It's not NetBSD, but the world's not

 "Trout are freshwater fish, and have underwater weapons."
 "Zing, zing zing zing!"
 "Keep away from the trout."
 -- The opinions expressed are not necesarily those of my employer --
 "Who stole my lawn?"