Date: Fri, 10 May 2002 12:36:44 -0400 From: Bill Moran <wmoran@potentialtech.com> To: Walid Nehme <walidn@yahoo.com> Cc: freebsd questions <freebsd-questions@freebsd.org> Subject: Re: Message-ID: <3CDBF71C.7060502@potentialtech.com> References: <20020510160840.13918.qmail@web10001.mail.yahoo.com>
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Walid Nehme wrote: > Dear sirs. > 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 there > are many users chat or send files my network stop working, > is the overload. How do you know this is the problem? If it is, it's likely that the solution is to increase your outgoing bandwidth. You can't use software to overcome a hardware problem. > 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. Did you read "man ipfw"? Read the whole thing, if there is any 1 part of it that you don't understand, read it again until you understand the whole thing. Set up a test network and experiment with the parts you don't understand. Traffic shaping isn't something you learn in an afternoon. The examples section should be very helpful. > 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 Experiment. Or pay big bucks to an expert who has already calloused their hands figuring this sort of thing out. It's going to be hard for anyone to even estimate what values you should be using without a great deal more detail about your network and the traffic on it. -- Bill Moran Potential Technology http://www.potentialtech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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