Re: [LARTC] Ethloop again and 4 level tree ???

[Martin Devera <devik@cdi.cz>]

You are right stef :)

On Sat, 8 Jun 2002, Stef Coene wrote:

> On Saturday 08 June 2002 20:10, King Yung Tong wrote:
> > Hello again, Thank you for you help last time. I try to create final check
> > for htb, and found some problem. Can you give a quick fix for the problem?
> >
> > 			1:1 (ceil 1500kbps)
> > 		      /     \
> >   (ceil 800kbps)    1:2	    1:8 (ceil 700kbps)
> > 		  /    \      \
> > 	        1:4   1:12    1:14
> > 	       /  \
> >    (prio 0) 1:10  1:11 (prio 1)
> >
> > The tree under 1:2 is almost the same as you example and is working.
> > And I try to build a larger tree (4 levels) and I would like to do
> > following:
> > class 1:14 is completed isolated even no traffic, the BW will not borow.
> > class 1:12 is empty all the time.
> > class 1:10 is prio 0 and class 1:11 is prio 1
> >
> > 1. My understanding is 1:8 and 1:2 are isolated because of ceil and will
> >    not borrow?
> > 2. Since 1:12 is always emppty, it can borrow the excess to tree 1:4 and
> >    1:10 will get all the BW.
> >
> > But in my case, the prio parameter seems to be not very ok. It will give
> > BW to both 1:10 and 1:11.
> HTB will try to give each class it's rate as a minimum :
> ./tc class add dev lo parent 1:2 classid 1:10 htb rate 300kbps ceil 800kbps
> prio 0
> ./tc class add dev lo parent 1:2 classid 1:11 htb rate 100kbps ceil 800kbps
> prio 1
>
> So class 1:10 gets 300kbps and class 1:11 gets 100kbps.  The other 400kbps
> will go to class 1:10 beacause his prio is lower.  So prio is for traffic
> that's left after each class gets his rate.
>
> I hope I'm right, Devik ?  :)
>
> Stef
>
> --
>
> stef.coene@docum.org
>  "Using Linux as bandwidth manager"
>      http://www.docum.org/
>      #lartc @ irc.openprojects.net
>
>

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