From: Pavel Bykov (slidersv@gmail.com)
Date: Mon Dec 08 2008 - 08:06:01 ARST
Thanks. I really wanted to clear thing up around that command. There is just
too much misleading information. In training materials, Cisco documentation,
and others. Maybe Cisco initially had a plan that they did not implement in
the end. But that is how it works today. (and how it worked before is
described in part 6)
On Sun, Dec 7, 2008 at 6:44 AM, Jonathan Greenwood II <gwood83@gmail.com>wrote:
> Hey Pavel that's some hardcore testing you've done there. Very interesting
> results, I'm more clear on your standpoint with "max-reserved-bandwidth" it
> was very unclear with the previous threads on what the argument was based
> upon. Very good post...
>
> Jonathan
>
>
>
> On Sat, Dec 6, 2008 at 9:07 PM, Pavel Bykov <slidersv@gmail.com> wrote:
>
>> Hi all.
>> I spent quite some time doing tests as part of another CBWFQ thread, and I
>> want to post this to everyone.
>> Although it's around 25 pages long, a lot of it are pictures and tables.
>> It
>> should really shed light on how QoS works, and what we are actually
>> QoSing.
>> Some points there:
>> - you can really see why we need QoS on LAN
>> - you can see how max-reserved-bandwidth command does not have any
>> influence
>> on queueing
>> - a glimpse of internal CBWFQ operation
>> - class-default starvation, where even with a tiny reservation to another
>> class will not let any traffic in class-default through (in older IOS)
>>
>> Here is the link:
>> http://www.boxoid.org/cisco/MAX-RESERVED-BANDWIDTH-AND-CBWFQ.pdf
>>
>>
>> --
>> Pavel Bykov
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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>
-- Pavel Bykov ---------------- Don't forget to help stopping the braindumps, use of which reduces value of your certifications. Sign the petition at http://www.stopbraindumps.com/Blogs and organic groups at http://www.ccie.net
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