Re: [LARTC] QUANTUM value

Linux Advanced Routing and Traffic Control

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On Wednesday 04 June 2003 16:53, Rio Martin. wrote:
> Stef and all,
> I got error sometimes, dmesg results like this:
>
> HTB: quantum of class 10011 is small. Consider r2q change.<4>HTB: quantum
> of class 10012 is small. Consider r2q change.<4>HTB: quantum of class
> 10013 is small. Consider r2q change.<4>HTB: quantum of class 10014 is
> small. Consider r2q change.<4>HTB: quantum of class 10015 is small.
> Consider r2q change.<4>HTB: quantum of class 10016 is small. Consider r2q
> change.<4>HTB: quantum of class 10017 is small. Consider r2q
> change.<4>HTB: quantum of class 10018 is small. Consider r2q change.<4>HT
>
>
> Is this happened because i set QUANTUM value too low ?
> i set 1000. Why it cannot set below MTU size (1500) ?
Quantum is the number of bytes a class can send if it borrows unused bandwidth 
from the parent.  If it's 1000 and the packet size is 1500, the internal 
calculations of htb can be f***ed up.  You send 1500 but only 1000 is 
counted.

Stef

-- 

stef.coene@xxxxxxxxx
 "Using Linux as bandwidth manager"
     http://www.docum.org/
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