Date: Tue, 18 Jan 2000 02:55:23 +0800 From: "aLan Tait" <aLan@fil.net> To: Troy Settle <st@i-plus.net> Cc: ndear@areti.net, Thierry.Herbelot@alcatel.fr, freebsd-isp@FreeBSD.ORG Subject: Re: Bandwidth limiting on Switch. Message-ID: <3883659B.55783446@fil.net> References: <NDBBLOMCGLFPEPCPJEKKGEANCAAA.st@i-plus.net>
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Yep, do it all the time... ipfw show and ipfw pipe show Troy Settle wrote: > > Something I've been meaning to ask... > > Can one monitor bandwidth as well as limit it with dummynet? > > -Troy > > > -----Original Message----- > > From: owner-freebsd-isp@FreeBSD.ORG > > [mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of aLan Tait > > Sent: Sunday, January 16, 2000 19:28 > > To: ndear@areti.net > > Cc: Thierry.Herbelot@alcatel.fr; freebsd-isp@FreeBSD.ORG > > Subject: Re: Bandwidth limiting on Switch. > > > > > > I've got dummynet running in a different way. Since > > bandwidth is very expensive here in the rural areas of the > > Philippines, I allocate bandwidth in 1.5K chuncks (starting > > at 4.5K)! Then I use a 10M pipe to bypass this to a sibling > > proxy. Anything on the Proxy is high-speed, anything else > > is the speed they pay for. > > > > At 32K chuncks you won't have any problem with dummynet! > > For something you don't even have to recompile, read on! > > > > ****************************** > > If you want something really cheap that still works... > > > > STEP 1 > > Go to Luigi's page: > > http://www.iet.unipi.it/~luigi/ > > Follow the link to Dummynet. > > Look for: "Dummynet, bridging and PicoBSD" > > Download the .bin file > > Put it on a floppy disk with fdimage.exe in DOS or Windows > > (from the FreeBSD CD #1 - or download it) or use DD in Unix. > > > > STEP 2 > > Get a computer (I used a retired P-120 with 64 MB) > > Put TWO 10BaseT Network cards in it (I used D-Link PCI > > cards) > > Make sure you have a 1.2M Floppy drive (no hard drive > > needed!) > > Turn on Computer! > > > > You now have a working bandwidth limiter! > > Set your rules in the rc.firewall under "luigi" per > > instructions on the above page (follow the examples there in > > rc.firewall - there is one for a 30K pipe - it is real > > easy). > > > > You "should" make some changes in the rc.conf and > > resolv.conf files, but I'll tell you, it really worked - > > FIRST TIME - right after boot! > > > > The Floppy is fully loaded into memory and can be removed > > after boot (a nice security thing!). Oh - be sure to mount > > the floppy and cp your changed files onto the floppy's > > (/start_floppy/etc) or they won't be there the next time you > > boot! The same goes with master.passwd - when you shut off > > the machine - all changes (in memory) are lost - you MUST > > save them to the start_floppy! You can use /etc/fstab as > > the road map! > > > > Any problems? I'd be glad to help (just remember that I am > > busy running an ISP!). > > Any PRAISE? - Send it to Luigi (who deserves it!). > > > > By the way, I later transfered to a hard drive so I could > > add some more things (besides dummynet) that wouldn't fit on > > one floppy. Now the drive boots, load everything into > > memory, then spins down in one minute (power saver in bios) > > and... > > *** RUNS COMPLETELY IN MEMORY! - VERY FAST on a cheap > > machine. > > > > If you follow the picobsd roadmap, you could build this on a > > bigger machine at 100BaseT speeds using FreeBSD with no > > problem - I just don't have the need for that kind of speed! > > > > Lan > > > > -- > > ----------------------------------- > > Filipino Network Solution - Fil.Net > > ----------------------------------- > > > > ********************************************************* > > *** I switched to FreeBSD from When?Doze because... *** > > *** I never knew When? - It was going to Doze! ;) *** > > ********************************************************* > > > > Thierry.Herbelot@alcatel.fr wrote: > > > > > > Hello, > > > > > > with bandwidth in the order of n*64kbps, you may want to > > investigate dummynet, which is a function of the TCP/IP stack of > > FreeBSD, which does exactly what you want to do (and which is free). > > > > > > beware : you will have to compile a new kernel for FreeBSD, so > > if this seems too adventurous for you, take some competent guy to > > do it for you (anyway, you will find a good handbook on www.freebsd.org) > > > > > > TfH > > > > > > "Nicholas J. Dear" <ndear@areti.net> on 14/01/2000 13:19:13 > > > > > > Please respond to ndear@areti.net > > > > > > > > > > > > To: freebsd-isp@FreeBSD.ORG > > > > > > cc: (bcc: Thierry HERBELOT/FR/ALCATEL) > > > > > > > > > > > > Subject: Bandwidth limiting on Switch. > > > > > > > > > Hi, > > > > > > We're about to start doing some co-location, and we will need > > to restrict the > > > bandwidth to each machine. I'm assuming we need some sort of switch with > > > bandwidth throttling capabilities? > > > > > > We'd need to throttle from 32K, or 64K upwards, in 64K increments. > > > > > > Could anyone recommend a particular product, or how they do the job? > > > TIA. > > > N. > > > -- > > > Nicholas J. Dear > > > Mail: ndear@areti.net Tel: +44 (0)20-8402-4041 > > > Areti Internet Ltd., http://www.areti.co.uk/ > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-isp" in the body of the message > > -- ----------------------------------- Filipino Network Solution - Fil.Net ----------------------------------- ********************************************************* *** I switched to FreeBSD from When?Doze because... *** *** I never knew When? - It was going to Doze! ;) *** ********************************************************* To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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