FreeBSD Traffic Shaping

Luke Dean LukeD at pobox.com
Tue Apr 1 23:43:32 UTC 2008



On Tue, 1 Apr 2008, freebsd at top-consulting.net wrote:

> I am trying to limit the bandwidth available to some connections and I'm not 
> sure FreeBSD can handle this. Maybe some of you can help. Here's what I need 
> to have exactly.
>
> No matter what the number of connections, each connection should have at 
> most/least 50kbps guaranteed outbound on port 80.
>
> I've tried dummynet but it doesn't do what I need because if I define a pipe 
> with 1mbps and if I have 1000 connections, each connection will have less 
> than 50kbps.
>
> Any way to do this in FreeBSD ?

I can't think of any way to dynamically allocate a new pipe for each 
individual connection with any firewall software I've used.

Have you considered getting your web server to do the limiting for you?  I 
think "mod_bandwidth" for Apache is designed to do what you're asking, but 
I've never used it.


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