From: John Underhill (stepnwlf@magma.ca)
Date: Mon May 17 2004 - 19:59:50 GMT-3
Depends on the primary use of the data link. With voice you want to minimize
the impact of serialization delay by getting TC time down to 10 ms. You do
this by setting the commited burst rate to 1/100th of CIR. So..
CIR / 100 = BC
Ex. CIR = 64k | 64000 /100 = 640 | BC = 640
Voice traffic should also have BE set to 0. For data traffic, 125 ms is
probably ideal, (but really depends on the type of traffic). So to get TC to
125, CIR/8 =BC.
BE in this case is interface speed (AR)-CIR, or the leftover bandwidth up to
line speed.
On a mix of traffic types, you probably want to go with the voice settings
and use fragmentation with a qos control.
----- Original Message -----
From: "Ahmed Mustafa" <ahmed.mustafa@sbcglobal.net>
To: <ccielab@groupstudy.com>
Sent: Monday, May 17, 2004 5:23 PM
Subject: CAR
> if the task is to configure CAR with 4MB
>
> by using rate-limit commands,
>
> rate-limit input CIR Bc Be? I am only given one value, what vaules should
be
> used for Bc and Be.
>
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