Re: [LARTC] What is the reccomended minimum rate for leaf htb classfor accurate operation?

From: <mjoachimiak@poczta.onet.pl>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] What is the reccomended minimum rate for leaf htb classfor accurate operation?
Date: Wed, 06 Oct 2004 10:54:56 +0000	[thread overview]
Message-ID: <004e01c4ab92$ed333eb0$0802a8c0@monster> (raw)
In-Reply-To: <20041006073827.5C1826CB7C7@mail.caucasus.net>

Your gues is right. To get HTB work correctly you must know rate parameter
for your connection also known as CIR.
Coud you tell what minimum rate your clients have?
----- Original Message ----- 
From: "Andreas Klauer" <Andreas.Klauer@metamorpher.de>
To: <zgiorgadze@gol.ge>
Cc: <lartc@mailman.ds9a.nl>
Sent: Wednesday, October 06, 2004 12:00 PM
Subject: Re: [LARTC] What is the reccomended minimum rate for leaf htb
classfor accurate operation?

> Zviad O. Giorgadze wrote:
> > My ISP provides guarantied 115kbit bandwidth for GLOBAL TRAFFIC. During
the low load period (early morning, evening, night) customers can get up to
1mbit traffic.
>
> That's download traffic we're talking about, since you seem to be
> shaping on your local LAN interface? Variable rate ISPs are tough
> to shape right, I guess...
>
> Does this 115kbit vs. 1mbit thing solely depend on ISP load, or does it
> depend on day of time? In the latter case, I'd let a cron job replace
> the HTB class structure, so that you have 115kbit ceil during the day
> when you really only get 115kbit and 1mbit ceil during the night when
> you actually get 1mbit.
>
> But I guess it's not that easy, huh?
>
> > According to PRIO settings I try to give all available bandwidth (above
the guarantied rate) to IP address. I think that all other IP-s get it's
guarantied rate or may be I'm wrong?
>
> You have a 100mbit line, of which you only allow 1mbit to be used (Why
> make a 100mbit class then?). Unknown traffic (LAN, most likely) goes to
> class 1:22 (Why? Shouldn't only ISP traffic go there?). There is no
> distinction between ISP and LAN traffic at all... does that mean that
> there is no other traffic than ISP from/to your HTB box?
>
> Does anyone know how HTB performs on such a line? My guess would be that
> HTB doesn't have a clue that there are actually only 115kbit, and thus
> will allow classes to borrow too much, letting other classes starve.
>
> Andreas
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