FW: Converting Custom Queue to CBWFQ

From: Roger McNeace (rmcneace@terremark.com)
Date: Wed May 14 2003 - 13:11:44 GMT-3


I just made up the 4500 byte count number, so the example math would be
easier. You could plug in 5500 in the formula also.
-----Original Message-----
From: Jung, Jin [mailto:jin.jung@lmco.com]
Sent: Wednesday, May 14, 2003 11:38 AM
To: 'Roger McNeace'; 'ccielab@groupstudy.com'
Subject: RE: Converting Custom Queue to CBWFQ

Well, I used 5500 as total packet size,
Is this correct?

Jin jung...

-----Original Message-----
From: Roger McNeace [mailto:rmcneace@terremark.com]
Sent: Wednesday, May 14, 2003 11:20 AM
To: 'Jung, Jin'; 'ccielab@groupstudy.com'
Subject: RE: Converting Custom Queue to CBWFQ

No not yet, but I figured out a formula for bandwidth and bandwidth
percentage

byte-count/Total-byte-count * Bandwidth * .75

example: Bandwidth 128k

www byte count 1500 in custom queue list

1500/4500= .333 * 128 = 42.624 * .75 =31.968 (32k of bandwidth)

Bandwidth percentage

byte-count/Total-byte-count * .75

1500/4500= 33 * .75 = 24.75% (25% of bandwidth)

Let me know if this makes sense or if you feel this is the correct approach.

-----Original Message-----
From: Jung, Jin [mailto:jin.jung@lmco.com]
Sent: Wednesday, May 14, 2003 10:03 AM
To: 'Roger McNeace'; 'ccielab@groupstudy.com'
Subject: RE: Converting Custom Queue to CBWFQ

Did someone answer this for you yet?
If not, here is what I have..
I am trying to do this with our router. It should be close. Please compare
with answers you got and let me know if this is correct. I am also trying to
learn this....

Class map www
Match match-all protocol www
Class map dns
Match match-all protocol dns

Policy map ccie1
Class www
Bandwidth 52
Que-limit 100
Class dns
Bandwidth 17
Que-limit 100
Class class-default
Bandwidth 26

Interface ser 0/0
Service policy ccie1 out

Assuming ar = 128
75% of total traffic.

-----Original Message-----
From: Roger McNeace [mailto:rmcneace@terremark.com]
Sent: Friday, May 09, 2003 2:52 PM
To: 'ccielab@groupstudy.com'
Subject: Converting Custom Queue to CBWFQ

Given the Custom Queue below, could someone show me an example on how to
convert this to a CBWFQ list.

queue-list 1 protocol ip 1 tcp www
queue-list 1 protocol ip 2 tcp dns
queue-list 1 default 3
queue-list 1 queue 1 limit 100
queue-list 1 queue 1 byte-count 3000
queue-list 1 queue 2 limit 100
queue-list 1 queue 2 byte-count 1000
queue-list 1 queue 3 byte-count 1500



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