From: Zouta oxpf (zouta.oxpf@gmail.com)
Date: Mon Oct 31 2005 - 11:48:26 GMT-3
The CCIE Lab is not really an examination in Regimentation! Your
configuration must work before you are awarded points for that task. A
Proctor once said a Candidate is allowed to use whatever configuration
approach He/She deem necessary to make a task work, as long as you are not
prevented from using that approach, its fair game so to speak.
In this case, I agree with Chris, you must globally enable mls qos, for any
qos configuration to be applied on the 3550; I really would not not expect
the question to be phrased like: "Please do not forget to enable mls qos
globally to make this work" !
ZO.
On 10/31/05, Chris Lewis <chrlewiscsco@yahoo.com> wrote:
>
> Leigh, I think your approach of not doing something unless it is
> specifically asked for is, in general a good philosophy. However one also
> has to bear in mind that points are only awarded for a working
> configuration. So to answer the original question, should one enable mls
qos
> and a trust state in order to get a working configuration?
>
> From that perspective I would say both the global configuration of mls qos
> and the trust state need to be configured for the voice vlan feature to
work
> as intended.
>
> Chris
>
> Leigh Harrison <ccileigh@gmail.com> wrote:
> Howdy,
>
> I'd say that this depends on the wording of the exam.
>
> I real life, I use the dchp server to assign vlan and qos values to the
> phones, then get the switches to trust those values, as if I need to
> change them, I only need to do it in one place.
>
> In the lab, you'll be asked to do something specific. You could either
> trust it, rewrite it or do nothing. Personally, I'd do nothing if it
> wasn't asked for (or I didn't see it!!)
>
> LH
>
>
> Cisco Nuts wrote:
>
> >Hello: When you enable voice vlans on the 3550, would you not also enable
> >qos and also trust cos on the port? Task required: to configure
> >#switchport voice vlan dot1p on the port. Then I also went ahead and
> >enabled #mls qos and # mls qos trust cos. Would this cause points to be
> >deducted? The config. and cmd. guide states:"Before you enable voice
> >VLAN, we recommend you enable quality of service (QoS) on the switch by
> >entering the mls qos global configuration command and configure the port
> >trust state to trust by entering the mls qos trust cos interface
> >configuration command." Thanks much!!
> >
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