Re: Catalyst QoS Calculator

Looks very good.
Im am busy with QOS architecture for a SP, and the datacentre portion is
coming up soon.
I'll try it out :)

Thanks

-- 
<ruhann>
www.routing-bits.com
On Sun, Mar 14, 2010 at 3:48 AM, Pavel Bykov <slidersv_at_gmail.com> wrote:
> Hey everyone.
> Just wanted to let you know that if you ever wanted to calculate queue and
> threshold depth of Catalyst 2960/3560/3750, now there is an easier way.
> By reverse engineering memory blocks a bit, I was able to figure out the
> memory structure and what those frustrating percentages mean.
> With this calculator you can enter byte values for the queues and it will
> generate all the needed commands, check sanity and calculate some
> interesting ratios and statistics. You can also check "how many" packets of
> certain size will fit there, due to memory structure overhead (256-Byte
> cells).
> Anyway, check it out, and hopefully it'll enhance your understanding of
> Catalyst QoS in the Sasquatch family.
>
> http://bitsonwire.com/?p=51
>
> P.S.: All Sasquatch family members have same architectural approach, so it
> procedure is the same on 2960 and 3750G alike. 3..0E, 2960S and 3..0X
> models
> types have a bit different method of calculation.
>
> --
> Pavel Bykov
>
>
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