Re: [LARTC] Parent rate=ceil Limit not respected

[Stef Coene <stef.coene@docum.org>]

On Sunday 09 November 2003 07:26, Chijioke Kalu wrote:
> Hi Stef, lo all,
>
> Am hoping someone could have the time to look at my simple script, it
> basically tries to restrict users based on their ip, but I also
> incorporated the hints given by Stef on being able to allow local traffic
> unrestricted. no iptable marking (fw filter) is used, just tc.
>
> I see traffic passing thru all the classes when ever those systems are in
> use.
>
> Ave done some stress test on the local traffic by plugging p2p/web crawlers
> on the LAN of one of the systems, each time i notice that the parent ceil
> limit is being broken.
>
> I have met the one major requirement, sum of child classes rate <= parent
> rate.  I dont know what else i might be doing wrong, once placed perturb to
> 1, and internally(kernel) am using PSCHED_CPU and a sfq buffer length of 15
> as against 128. (notes on docum.org) to try and increase speed.  (Processor
> has TSC flag)
>
> Would be much obliged on any comments/improvements i can make on the
> script.
You attach class 1:2 and 1:3 to the root qdisc.  It's better to add 1 class to 
the root qdisc and attach all other classes to that class. 

Stef

-- 
stef.coene@docum.org
 "Using Linux as bandwidth manager"
     http://www.docum.org/
     #lartc @ irc.openprojects.net

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