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Date: Fri, 10 May 2002 05:34:27 -0700 (PDT)
From: Walid Nehme <walidn@yahoo.com>
Subject: Plz help as much as u can.
To: luigi@iet.unipi.it,
	freebsd questions <freebsd-questions@freebsd.org>
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Dear sir.
I found ur email in man dummynet, and need ur help.
I have 3 download satellites and a microwave connection,
providing internet to a huge number of users.

i want to make shapping for the traffic to control my
outbound and inbound.
the problem is that my outbound is 128kbit/s and when many
users chat or send files my network stop working.
i read many documents about dummy and couldnt find any
theory that help me assigning the delay and queue so that
my network will work smooth, even i couldnt understand what
delay and queue are used for.
my firewall rules are.

ipfw add pipe 1 ip from 10.20.0.0/16 to any out
ipfw add pipe 2 ip from any to 10.20.0.0/16  in
ipfw pipe 1 config bw 3 KBytes/s 
ipfw pipe 2 config bw 40 KBytes/s

And tell me plz how to decide what value should i give
these options
if my networkcard is realtek 8139 and a p4 prossessor 1.5 G
128mb sdram. and hdd 40G seagate.
NMBCLUSTERS 	- set the amount of network packet buffers
HZ			- sets the timer granularity





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