Re: freebsd's dummynet or selectable traffic shaping

Andi Kleen (
Sun, 6 Dec 1998 06:43:07 +0100

In muc.lists.linux-kernel, you wrote:
>Hi, All
> Under FreeBSD there are is some firewall extension such as dummynet
> That program allow you creat "pipes" with some bandwidth, packet queue
>delay and size and route some traffic trough that "pipes"
> In other word this is something like shaping via ip aliasing under
> More info at
> So question - is there are any possiblity to do this under linux ?

See for a complete Linux based
WAN emulator.

Another alternative is the queueing framework in 2.1, which has modules
for traffic shaping, classifying packets etc. (see linux/net/sched/*.c)

Nistnet is more aimed at protocol testing, while the second is for
production use.


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