[c-nsp] MPLS qos on 6500/sup720 - setting EXP when it shouldn't?

Phil Mayers p.mayers at imperial.ac.uk
Tue Nov 30 08:30:57 EST 2010


On 18/11/10 09:24, Phil Mayers wrote:
> On 11/18/2010 08:55 AM, Dmitry Valdov wrote:
>>
>>
>> I think, yes.
>
> Darn it. That will be the problem then.
>
> Oh well. Back to the drawing board.

Just to follow up on this - sure enough, having DSCP rewrite disabled 
was the problem. Having enabled it everywhere (rather, re-enabled it, 
since it's the default) MPLS EXP is set correctly and we've now 
eliminated our problems with voice on the slow MPLS links.


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