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From: Andrew <depaan@bibleinfo.com>
To: lartc@vger.kernel.org
Subject: [LARTC] CBQ.init/tc - sharing bandwidth "nicely"
Date: Wed, 26 Sep 2001 18:51:26 +0000	[thread overview]
Message-ID: <marc-lartc-100153029208037@msgid-missing> (raw)




Hello,

I'm starting to toy with CBQ.init and was wondering if someone would take the 
time to answer a few of my questions.

First my setup:

      LAN
       |

  [FW/router]----ISDN to NET
       |

      DMZ

I'm experimenting with shaping the trafic between the NET and the LAN. I've 
got two classes defined as follows:

cbq-10.net-lan---------------
DEVICE=eth0,10Mbit,1Mbit
RATEÅKbit
WEIGHT=8Kbit
PRIO=5
BOUNDED=yes
RULE\x172.17.1.0/24

and

cbq-20.net-lan---------------
DEVICE=aps0,128Kbit,12Kbit
RATEÅKbit
WEIGHT=8Kbit
PRIO=5
BOUNDED=yes
RULE\x172.17.1.0/24,

The shaping seems to be working as advertized, but I'm not entirely satisfied 
with the behavior. And it's not clear to me what to do to get what I 
want. (which is the reason for the post) Let me explain.

With the above in place, traffic from the internet to the 172.x.x.x network 
is limited to somewhere around 10Kbytes/s. But say I start downloading a big 
file off the net from a client on the lan. This fills up the available 
bandwidth, and everything else comes to a grinding halt (very very slow), 
including any shell connections to the Firewall/router.

What I'd like is for all clients on the lan to share (nicely) a given amount 
of bandwidth, devided equally among all using it. Also, I'd rather not 
penalize connections directly to/from the Firewall/router, although I suspect 
that fixing this is simply a matter of putting some better rules in place.

Comments/suggestions are very much appreciated.

-Andrew
-- 
Computer Systems Admin.
Bibleinfo.com
PO Box 19039
Spokane, WA  99219

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                 reply	other threads:[~2001-09-26 18:51 UTC|newest]

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