[c-nsp] DSCP or IP Precendence for CBWFQ

Mikael Abrahamsson swmike at swm.pp.se
Fri Feb 9 00:50:03 EST 2007


On Fri, 9 Feb 2007, Rolf Mendelsohn wrote:

> I wanted to know (or understand) whether DSCP markings and IP Prec. 
> markings are interchangeable - i.e. if you mark according to DSCP, does 
> IP Prec. based classes (for queuing) also apply.

Yes. PREC 5 is DSCP 40-47 (decimal), ie PREC is the 3 most significant 
bits of the 6 DSCP bits.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se


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