RE: missing burst and extended burst values

From: Aaron Pilcher (apilcher@itgcs.com)
Date: Mon Nov 13 2006 - 23:43:06 ART


I would say yes.

Generally, the lab is clear, pending you understand the technology. From my
experience, the lab leaves little to the imagination.

Moreover, if you are not clear on what the goal of the task is, ask the
proctor.

Aaron Pilcher, CCIE #17168

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Adhu
Ajit
Sent: Monday, November 13, 2006 7:53 PM
To: ccielab@groupstudy.com
Subject: missing burst and extended burst values

Folks, I stumbled upon this:
   
  Recommended Burst Values Cisco recommends the following values for the
normal and extended burst parameters:
  
normal burst = configured rate * (1 byte)/(8 bits) * 1.5 seconds

  
extended burst = 2 * normal burst

  

  With the listed choices for parameters, extensive test results have shown
CAR to achieve the configured rate. If the burst values are too low, then
the achieved rate is often much lower than the configured rate.
   
  from the link:
   
 
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/hqos_c
/part20/qchpolsh.htm
   
   
  Does this mean that if I'm given a question with just the mean rate no
reference to the burst size or the extended burst size should I use the
above said recommended defaults ?
   
  The answer to my question is most probably a simple "yes". But I'm
wondering if anyone can share any thoughts, insights, expereinces with this
?
   
  Thank you.

 
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This archive was generated by hypermail 2.1.4 : Fri Dec 01 2006 - 08:05:46 ART