LLQ & Burst

From: Primetek_Easyman (easyman@primetek.com.tw)
Date: Sun Dec 11 2005 - 06:44:22 GMT-3


Hi, Groups

I have a question about LLQ and burst parameter.
I've read the CCO Docs about this, but still not sure if it's right?
The url as following:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/qos_
r/qos_o1g.htm#wp1076758

From the url I know that we can use additional parameter "burst" along with
"priority" command.
priority {bandwidth-kbps | percent percentage} [burst]

Description of "burst "
 (Optional) Specifies the burst size in bytes. The burst size configures the
network to accommodate temporary bursts of traffic. The default burst value,
which is computed as 200 milliseconds of traffic at the configured bandwidth
rate, is used when the burst argument is not specified. The range of the
burst is from 32 to 2000000 bytes.

So my question is, if the question asked about to give priority for some
traffic (eg: voip traffic) upto 265Kbps bandwidth and allow burst of 64Kbps.

Then the command should be "priority 256 1600". (based on 200ms )
Or
It should be "priority 256 8000" (base on 1000ms)

Hope some one can clarify this for me?
TIA.

Lin
12/11/05



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