On Wednesday 22 October 2003 11:39, Warwick Chapman wrote:
> Howdy
>
> We would like to set up a Linux Bridge to replace a FreeBSD/ipfw box
> doing shaping. Currently, we can only chape per IP/protocol on the
> FreeBSD box, and not by type of traffic (local/international).
>
> Our upstream provider, Internet Solutions (www.is.co.za) differentiates
> between Local and International Bandwidth as follows:
> "Local traffic DSCP bit is set to 20. International is set to 18."
>
> What steps would be involved in, say, setting up shaping to a host to
> give it a 32kb International and 64 local. Would it be possible to
> allow bursting when bandwidth is available?
>
> I have read the LARTC Guide at lartc.org, which has an example of how to
> shape an particular host, but not how to incorporate matching the DSCP bit.
>
> I'm assuming iptables is used to match the DSCP bit, something like the
> following:
> # iptables -t mangle -A INPUT -m dscp --dscp 16 -j ????
>
> Once it is matched, though, how does on force it into a queue? Or am I
> thinking of this in the wrong way?
If the packets are marked with iptables, you can use the fw filter to put the
packets in a class.
iptables -t mangle -A INPUT -m dscp --dscp 16 -j MARK --set-mark 2
Stef
--
stef.coene@xxxxxxxxx
"Using Linux as bandwidth manager"
http://www.docum.org/
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