From: elping (elpingu@xxxxxxxxxx)
Date: Mon Aug 19 2002 - 10:34:39 GMT-3
The same happened here.....
yes....i just have a rule
use for car policers
CIR [bps] * (1 byte)/(8 bits) * 1.5 seconds
use for taffic shapers
Time = Bc/CIR
i know that shaping smooths traffic to fall withing a range and policing
bind you to that rate .
Ted Richmond wrote:
> Hello group,
> When I finally thought that I've got Qos under-control
> (err...well say 80% undercontrol), I came across a doc
> - Selecting Burst and Extended Burst Values for
> Class-Based Policing
>
> http://www.cisco.com/warp/public/105/carburstvalues.html
>
> This one really threw me off. Here are some questions:
>
> * Are Be,Bc definitions different for shaping and
> policing?
>
> * The above doc says, "When bc is equal to be, the
> traffic regulator cannot borrow tokens and simply
> drops the packet when insufficient tokens are
> available". I though this is the case when be=0
>
> * The doc gives an example with 'CIR= 1 bit/sec, Bc= 2
> bytes/sec and Be=4 bytes/sec' (pkt size as 1 byte). Is
> this possible? How can he send 4 packets with the
> above constraints and still maintain 1bit/sec CIR?
>
> I am totally lost now - I should've never read this
> doc. Please help -S.O.S
>
> TIA.
>
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