Yep. :) Also, if you wanted to do the 5M thing, you can use PCQ :) It would be 5M or dam close!
----------------------------------------------------------- Dennis Burgess, CCNA, A+, Mikrotik Certified Trainer Link Technologies, Inc -- Mikrotik & WISP Support Services Office: 314-735-0270 Website: http://www.linktechs.net LIVE On-Line Mikrotik Training - Author of "Learn RouterOS" -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Josh Luthman Sent: Tuesday, December 29, 2009 5:46 PM To: Mikrotik discussions Subject: Re: [Mikrotik] Pulling out my hair... I think... The threshold is the burst. They'd have to use 100% of the burst to be slapped down. Increase the burst limit or descrease the threshold. On 12/29/09, Ryan Spott <[email protected]> wrote: > I spent x-mas at the inlaws. They just recently switched from > Sat-based Internet service to a Canopy provider. The service was great > and what I really liked was that he was paying for 512/512 service, > but was able to burst to 4.5mbps or so when he would first get on a > site/youtube/whatever. > > If you could graph the experience, it would look like this > <tranzeofaq.com/curve.gif>. You can see the initial start of, say a > Youtube Video download. You would get X amount of download and then it > would slowly taper you off down to "what you were paying for". > > The service as the provider explains it is: > 512K down and up with a "5MB File Buffer". > > When I looked through the other lists, I found the email at the bottom > of this message. Using this message I think I have the following > simple queue setup properly for 1mbps/512mbps with a burst to what > they would normally get, up to, in this case, 10MB of data. > > add burst-limit=2048k/4M burst-threshold=2048k/4M burst-time=5s/5s > comment="" direction=both \ > disabled=no dst-address=0.0.0.0/0 interface=lan limit-at=512k/1M > max-limit=1024k/2M \ > name=<some customer> parent=none priority=8 > queue=wireless-default/wireless-default \ > target-addresses=<customerIP>/32 total-queue=default-small > > But when I use this queue it seems to work, however, I had a guy jump > onto Hulu or something with the queue setup above and just ride at > 2-4MB ALL DAY LONG... > > I am missing something obvious.. Any help? > > ryan > > > -----------------Copied email below------------------------------- > Okay, as promised... to make MT mimic Canopy bursting, I'm using > simple queues as follows: > > /queue simple add name=<whatever> target-addresses=\ > <ip address> interface=<interface> queue=\ > wireless-default/wireless-default limit-at=\ > <up cir>/<down cir> max-limit=\ > <up sustained>/<down sustained> burst-limit=\ > <up burst>/<down burst> burst-threshold=\ > <up sustained>/<down sustained> burst-time=\ > <up burst time>/<down burst time> > > Here's a detailed description of each parameter: > > - limit-at: This is basically CIR in bits. Set it as you would set > your CIR in Canopy. > > - max-limit: Set this to your *sustained* uplink and downlink rates in > bits per second. > > - burst-limit: Set this to your uplink burst rate and downlink burst > rate in bps. > > - burst-threshold: Set this the same as max-limit. > > - burst-time: This is where it gets a little complicated. It's > actually quite simple. It just took me forever to wrap my head > around how it works. Because Canopy does its bursting based on bits > transfered and MT does it based on time, you have to essentially > convert one to the other. The formula is: > > bucket size in bits / sustained rate in bits per sec = burst-time > > So, you take your burst bucket size that you use in your Canopy SMs (I > think Canopy calls it "burst allocation"). First multiply it by 1000 > (to convert it from kilobits to bits). Then plug it into the formula > above. > > So for example, if you use the default canopy bucket size of 500000 > kilobits (62.5 MB), and you have a sustained rate of 1024 (1 Mbps) > you would have the following: > > 500000000 / 1024000 = 488 seconds. > > Here's an example rule that gives the subscriber a 20 MB burst bucket, > at 5 Mbps. After 20 MB, it drops back to 1 Mbps. This is for > download. For upload, it does a 10 MB bucket at 1 Mbps. After 10 > MB, it drops to 256k: > > /queue simple add name="johnsmith" target-addresses=\ > 10.30.2.50 interface=ether1 prio=8 queue=\ > wireless-default/wireless-default limit-at=128000/128000\ > max-limit=256000/1024000 burst-limit=1024000/5120000\ > burst-threshold=256000/1024000 burst-time=313/156 > > One thing to keep in mind is that Canopy likes its bursting parameters > in kbps, while MT wants it in bps. So, you need to multiply by 1000 > before plugging those numbers into MT. > > Anyway, this has been working beautifully for me. Let me know if you > have any questions or trouble with it. > _______________________________________________ > Mikrotik mailing list > [email protected] > http://www.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS > -- Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 "The secret to creativity is knowing how to hide your sources." --- Albert Einstein _______________________________________________ Mikrotik mailing list [email protected] http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS _______________________________________________ Mikrotik mailing list [email protected] http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

