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Help with ios: rate-limit

Posted on 2008-10-13
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Last Modified: 2010-05-18
I need to know what exactly this rate-limit mean

 rate-limit output access-group 159 384000 256000000 256000000 conform-action continue exceed-action drop
 rate-limit output access-group 159 256000 512000000 512000000 conform-action transmit exceed-action drop

I need a detailed explanation.

Somebody can help me?
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Question by:nahime
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4 Comments
 
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Expert Comment

by:donmanrobb
ID: 22705268
access-group 159 is an access-list that tells what hosts this applys to.
384000 bps, the fastest the traffic should flow
256000000 burst - How many packets should travel in 1/8 of a second normally, should be 48000
256000000 max burst  - how much traffic can excessly burst in 1/8 a second, again should be smaller
conform-action transmit - If traffic stays before this criteria tranmit
exceed drop - if it exceeds drop the traffic.
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LVL 8

Author Comment

by:nahime
ID: 22705763
256000000 burst - How many packets should travel in 1/8 of a second normally, should be 48000
256000000 max burst  - how much traffic can excessly burst in 1/8 a second, again should be smaller

So this two are too big?
The person who made this script says that after the user download 250 mb (256000000) the bandwidth is limited to 384000 bps.

This is false?
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Accepted Solution

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donmanrobb earned 500 total points
ID: 22705837
Yeah its false.

Rate-limiting is only used to shape traffic that is going to fast, it has no consideration for how much a user is downloading however if they start downloading faster then 384k they will be slowed down.


The numbers are way too big as of right now they could download at 256000000 kbs before anything is done.

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LVL 8

Author Comment

by:nahime
ID: 22706256
Thank you.
This real helps me.
I'm going to post another question on how to reach my intent on ios, please partecipate if you know how.
Bye
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