From: John Humphrey (john.humphrey@txkisd.net)
Date: Fri Jun 27 2003 - 18:46:53 GMT-3
seems like this is one of the most debated issues in most CCIE forums,
but I'll give my two cents worth (probably will stand corrected by the
other experts). After IOS 12.1, CQ was modified to remember its byte
deficit. This allows you to be a little less careful with the numbers you
use in the "byte-count". As long as the byte counts are the correct
percentages, you should be fine. If you're given the actual packet byte
size, then you should go ahead and normalize, divide, multiply... I know
a few will disagree, but that's my $0.02 USD.
> Hello Team,
> I have the following scenerio:
> queue-list 1 protocol ip 1 tcp telnet
> queue-list 1 protocol ip 1 tcp ftp
> queue-list 1 protocol ipx 2
> queue-list 1 protocol ip 2 list 101
> queue-list 1 protocol ip 3 gt 1200
> queue-list 1 interface Ethernet0 3
> queue-list 1 default 4
>
> Basically I have 4 queues and the question asks to configure Custom
> Queueing so that 50% of bandwidth go to que 1, 25% goes to que 2, 15%
> goest to que 3, and 10% goes to que 4.
> The answer is the following:
> queue-list 1 queue 1 byte-count 5000
> queue-list 1 queue 2 byte-count 2500
> queue-list 1 queue 4 byte-count 1000
> My question is how the numbers get derived in the answer? I am
> thinking that they are using 10000 kilobytes as a reference, i think
> it may be because since ethernet 0 is in one of the queues that its
> bandwidth is 10000kb, but I am not a 100% sure, I think that the
> default you use is 1500 bytes, and since there are 4 queues I thought
> it would be 6000, since they dont say the byte count of each queue.
> how do you come up with this? Also I think there should be another
> que in the answer, queue-list 1 queue 3 byte-count 1500, Could someone
> help me clarify?
> Sincerely,
> Matijevic
>
>
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