Re: Scheduling of transit DSCP-marked packets

[Stephen Hemminger]

On Thu, 06 Mar 2008 18:07:13 -0800
"Philip A. Prindeville" <philipp@xxxxxxxxxxxxxxxxxxxxx> wrote:

> I was looking at some scripts floating around to classify traffic based 
> on 5-tuples, and that might be handy for hosts/applications that don't 
> appropriately market their traffic...  but in the case of a Linux-based 
> firewall or router, what about some examples of scheduling (queuing 
> strategies) for DSCP-marked traffic?
> 
> Let's say that the traffic has already been marked..  and in most cases, 
> with certain traffic types, I wouldn't know what sort of connection it 
> was anyway without doing stateful inspection (such as TFTP or the SDP 
> stream associated with a SIP call)... but that the traffic has been 
> appropriate marked with either TOS or DSCP...
> 
> Are there examples of how to shape that?
> 
> Thanks,
> 
> -Philip

Look up how to use the dsmark queue discipline and filters.
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