Date: Sat, 28 Mar 1998 11:13:13 -0500 From: Howard Goldstein <hgoldste@bbs.mpcs.com> To: freebsd-hackers@FreeBSD.ORG Cc: danj@3skel.com Subject: Re: Network throttle... Message-ID: <199803281613.LAA21072@bbs.mpcs.com> In-Reply-To: <351D18B4.EBDE1C28@3skel.com>
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danj wrote: : : I am looking for a way to create a lower bandwidth restriction on an : interface. I have an ethernet interface that I want to restrict to a : maximum : of T1 throughput. : : 1. Is there a way to do this (easy or kernel hacking) Easy, yes. ALTQ. See http://www.csl.sony.co.jp/person/kjc/programs.html : What happens, i.e. the mechanics, when there is a higher : capacity link feeding into a lower capacity link. Where does all : the data go? I know it is buffered to an extent, but that has limits. : Do the packets get dropped? Under ALTQ, after free space in the delay queue is exhausted, yes they are dropped. : I seem to remember an ICMP type that : indicates transmission of too much data and for the sender to cut back : or something. Not sure if source quenching is part of ALTQ... : Triskelion Systems, Inc. I wager 50 quatloos you'll like it... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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