Date: Sun, 6 Oct 2002 15:26:25 +0200 From: Christoph Moench-Tegeder <cmt@rz.uni-karlsruhe.de> To: freebsd-stable@FreeBSD.ORG Subject: Re: Traffic shaping Message-ID: <20021006132624.GA27191@rz-ewok.rz.uni-karlsruhe.de> In-Reply-To: <006501c26d35$f6904720$1001a8c0@jennie> References: <200210050655.g956t3Mp091313@lurza.secnetix.de> <006501c26d35$f6904720$1001a8c0@jennie>
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## Maarten de Vries (mdv@unsavoury.net): > I could do with some hints regarding traffic shaping. My homenetwork is > hooked up to an assymetrical (1536/256) ADSL line, using a FreeBSD 4.6 > system which provides the usual NAT/Gateway/Firewall services. I'm using > dummynet to control the amount of bandwidth used by certain hosts on the > network, which all works fine. However, I still suffer from latency when the > maximum up- and/or downstream of the line is being utilized. If I understand > it well, this happens because the buffer in the ADSL modem fills up > completely at those occasions. Is there anyway to prevent this from > happening? Limit the maximum usage of your line to about 90% to 95%. This prevents usage of the queue in your modem. However, this will not work if queueing on the remote side is the problem (bulk transfers like downloads come to mind); you are out of luck if the queue on the remote side is too long. Regards, cmt -- Spare Space To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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