Re: frames not marked cos

there you go!

I told you it was an easy one ;)

sorry! It was 4am this morning when I tried this.. so sleepy.

pardon and merci Gilles.

On Thu, Aug 2, 2012 at 8:59 AM, Gilles Fabre <fabre.gilles_at_voila.fr> wrote:

>
> Hi
>
> I am curious on how you could do the following :
>
> R1 has an access-list permit icmp any any cos 4
>
> I think ip access-list can't match cos (which is L2), they can only match
> precedence or dscp
>
> Regards,
> Gilles
>
>
> > Message du 02/08/12 ` 09h42
> > De : "ccie99999"
> > A : "Cisco certification"
> > Copie ` :
> > Objet : frames not marked cos
> >
> > 'morning everybody
> >
> > easy question.. I don't see where I'm wrong but should be easy (at least
> > for you!)
> > (first QoS labs on Catalysts)
> >
> > lab: R1---SW1---R5
> >
> > R1 is on vlan 5 (10.0.0.1)
> > R5 has a trunk port to SW1 and an ip address on vlan 5 (10.0.0.5)
> >
> > SW1 has mls qos enabled
> > SW1 trusts cos on the interface to R5
> > R5 has a service-policy out where for default-class there is a set cos4
> > R1 has an access-list permit icmp any any cos 4
> >
> > I can ping from R5 to R1.
> > Packets get to R1 w/o cos4.
> >
> > I'm doing this with real devices of course.
> >
> > show mls qos inter to R5 statistics shows only default cos
> >
> > what am I missing?
> >
> > thaaaanks a usual
> >
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