Re: LLQ- help

I'll let all these people who are smarter than me debate what LLQ burst
actually works in the real world, but I would like to bring this
conversation back to CCIE study. I learned during my studies that there are
certain code words in which Cisco uses to describe technologies. Learning
these phrases can help you immediately identify what they want you to
configure. An easy example is if they say "industry standard trunking" you
know they mean to use Dot1q.

In this case if they tell you something along the lines of "ensure that
your priority queue enforces a bandwidth limit even when there is no
congestion" then the grading script probably expects you to configure
policing on your priority queue. You can spend your time debating the
proctor whether this is necessary in the real world, but it will probably
be counter productive.

That said, I have found this conversation very interesting.

-Marc Abel
CCIE #35470

On Wed, Dec 19, 2012 at 3:04 AM, Marko Milivojevic <markom_at_ipexpert.com>wrote:

> On Tue, Dec 18, 2012 at 8:30 PM, Paul Negron <negron.paul_at_gmail.com>
> wrote:
> > The priority Queue would drop traffic prior to congesting the link due to
> > very high burst in a very small period of time.
>
> Paul, this is why I called your test flawed. This *was* a congestion.
> Nothing personal in calling a test flawed. I've seen (and done) many
> of those. I particularly like statements "my interface is not
> congested, here take a look at the daily graphs with 5-minute sampling
> intervals". I remember making a lot of money out of that one for my
> previous employer.
>
> When analyzing QoS, one needs to dig very deep to the fundamentals how
> IOS operates. Congestion is a state that can happen many times during
> one second... :-)
>
> --
> Marko Milivojevic - CCIE #18427 (SP R&S)
> Senior CCIE Instructor - IPexpert
>
>
> Blogs and organic groups at http://www.ccie.net
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-- 
Marc Abel
CCIE #35470
(Routing and Switching)
Blogs and organic groups at http://www.ccie.net