Re: [LARTC] htb

["James Lista" <lista@umeda.com.br>]

andreas

first thanks for the answer and the advices.

well. let me say some things: inspite of saying that i have 600kbit for 20
users, it is really rare to have more than 7 at the same time

and about that you say take a look at ipp2p or l7-filter:  errr,  can they
identify when a user changed edonkey or any other p2p default port and limit
such packet even so ????



----- Original Message -----
From: "Andreas Klauer" <Andreas.Klauer@metamorpher.de>
To: <lartc@mailman.ds9a.nl>
Sent: Sunday, October 17, 2004 10:19 AM
Subject: Re: [LARTC] htb


> Am Sunday 17 October 2004 14:42 schrieb James Lista:
> > 600kbit ------------   50% for port 80
> >                        30% for port 25 and 110
> >                        20% for the rest
>
> Sure, that's possible. That's one 600kbit class with three child classes.
>
> However, there may be many other ports besides 25, 80, and 110 that
deserve
> prioritizing. Throwing them in the same class as all filesharing traffic
> could make things even worse than before.
>
> Then there's the problem that many filesharing protocols can work on any
> port, so your users could just move to one of the prioritized ports and
> take all the bandwidth again.
>
> That's some of the reasons why I never bothered with prioritizing ports on
> a global basis. Consider using ipp2p or l7-filter for a more reliable way
> for detecting P2P traffic.
>
> No matter how you look at it, 600kbit for 20 users is a bit slow. Even
> without P2P traffic, if all of them surf the web at the same time, they
> won't be very happy with the speed.
>
> Besides traffic shaping, you should do anything possible to reduce load.
> Cache DNS queries, provide a HTTP proxy, probably squid. Make sure that
> you can't be flooded from the outside. Stuff like that.
>
> HTH
> Andreas
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