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From: Folkert Saathoff <folkert@feedface.com>
Date: Wed, 28 Sep 2005 04:00:43 +0200
To: snap-users@kame.net, stable@freebsd.org
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Subject: Re: IPv6 and DUMMYNET traffic shaping
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On Tue, Sep 27, 2005 at 07:00:23PM +0200, Folkert Saathoff wrote:

> Hello lists,
>
> in order to evaluate the latency penalty induced by mobile IPv6,
> i need some way to simulate different latencies between two nodes
> in a laboratory environment.
>
> Is it possible at the moment to shape IPv6 traffic with KAME SNAP
> 20050919
> and FreeBSD 5.4-RELEASE?
>
> If not, is there some other way to enforce latencies on an interface?
>


further testing revealed that it is in fact possible to enforce latency
on an ipv6-only interface with ipfw and dummynet:

sudo sysctl net.link.ether.ipfw=1
sudo ipfw pipe 1 config bw 100kbit/s
sudo ipfw add 1 pipe 1 layer2 xmit rl1

thnx for the replies :)
/folkert


                                                                         
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