[c-nsp] QoS on a 6509/720

[Jerome Fleury]

--On mercredi 21 septembre 2005 16:07 -0500 John Kristoff
<jtk at northwestern.edu> wrote:

> under hybrid and an older version of code, if 'mls qos' is applied
> globally and a port's QoS state is untrusted, packets entering that
> port will have their ToS (DiffServ codepoint) rewritten to the port's
> default (which should typically be CS0 - best effort).  Is that still
> the case with the box I'm running?  I've got a port on a WS-X6724-SFP
> that is configured as a simple /31 LAN port.  Doing a 'show queueing
> interface' on that port indicates that Port QoS is enabled and it is
> in the untrusted state.  The default CoS is shown as 0.  However, I
> send a probe packet with a codepoint that is not equal to zero and
> I can see it come out the other side with the same codepoint.

I have also this behavior in 12.2(18)SXD4, which is irrelevant to what the
doc states. I am about to open a case on that.
 

jerome.