show mls qos

When no mls QoS globally, frames are forwarded FIFO with no alterations in
header. That is how I remember it ...

Marc

On Monday, April 30, 2012, Carlos G Mendioroz wrote:

> It's not the same for COS and DSCP.
> A switch works mainly at L2, so L3's DSCP would pass unnoticed (and
> unchanged) when QoS is disabled.
> But COS has to be regenerated along the new frame at L2 (only when there's
> a COS field to begin with, i.e. usually a trunk).
>
> I'm not sure what a switch does there, not even sure all switches do the
> same. I would suspect they send COS 0.
>
> -Carlos
>
> marc edwards @ 29/04/2012 20:13 -0300 dixit:
>
>> It will ignore markings
>>
>> regards,
>> marc
>>
>> On Sun, Apr 29, 2012 at 4:06 PM, emir d souza<emir979_at_gmail.com> wrote:
>>
>>> Hi experts,
>>>
>>> Will a switch rewrite cos/dscp markings to "zero" if qos has been
>>> disabled?
>>> Or does it choose to ignore any markings.
>>>
>>> #show mls qos
>>> QoS is disabled
>>> QoS ip packet dscp rewrite is enabled
>>>
>>> Cheers!
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
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>>
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>>
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>>
>>
>>
>>
>>
>>
> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina

Blogs and organic groups at http://www.ccie.net
Received on Mon Apr 30 2012 - 06:45:55 ART