throttling bandwidth by percentage

Kevin O Connor kevin at
Tue Dec 3 10:27:23 GMT 2002

Do you know how to implement QOS packets? If so the anwser is with a bit of 
fiddling yes

---------- Original Message -----------
From: "Robin Garbutt" <rob at>
To: "Freebsd Forum" <freebsd-users at>
Sent: Tue, 3 Dec 2002 09:21:21 -0000
Subject: throttling bandwidth by percentage

> Is there a way of throttling bandwidth by percentage on a freebsd 
> unit acting as a bridge from an internal network to an adsl router?
> I have it set up (with the above) so that a portion of the ntwork can't
> exceed a designated amount of bandwidth (happens to be 1/2 that 
> allocated by btopenworld) so as not to clog the network for those 
> requireing adsl for work purposes.  The problem here is that the 
> adsl isn't being used at 100% all the time, which is a bit of a waste.
> Is there a way usinging IPFW, dummy net and a bridge to set it so 
> that the restricted half of the network can have 100% bandwidth 
> (512k) until the portion of the network with priority require the 
> bandwidth, and therefore take priority?
> tia!
> Robin Garbutt
> Portfolio Art & Design Ltd
> Mob - +44 (0) 7811 185490
> e-mail - Rob at
> For further information please visit us at :-
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