If you're using nstreme for point to multipoint OR wds be sure you're running a very very recent version of ROS!
Nstreme used to not work well at all on APs with 10-20+ customers. I believe the new wireless package is included as of 3.16. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 Those who don't understand UNIX are condemned to reinvent it, poorly. --- Henry Spencer On Thu, Jan 22, 2009 at 10:19 AM, Travis Johnson <t...@ida.net> wrote: > Matt, > > This was Animal Farm... they had a 300Mbps link off their fiber backbone > into this facility. Why would you cap people at 1Mbps? The issue is without > polling, there is no way to control usage in a fair, equal manner. > > Let me explain what I have found in the last year. We did all kinds of > testing with Mikrotik, Nanostations, OSBridge, StarOS, etc. We decided to > deploy Mikrotik and use their Nstreme protocol to provide a consistant, > polling based solution using off-the-shelf components. We have about 60 AP's > deployed. We have found that even with polling and QoS on every single user, > the system starts to have issues above 50 users. So we figured no problem, > just put up more AP's on the same towers. Even while using only 10mhz > channel sizes, you have to have at least 20mhz between AP's or they cause > interference. So, we now have some towers with 6 Mikrotik AP's, but instead > of using 60mhz of spectrum, we are using more like 180mhz of spectrum. > > Only having been in the Canopy game for less than a month, I can tell you > so far having GPS sync and timing is pretty cool. I can put as many AP's as > I want on a tower, and all over everywhere, and I don't have to worry about > stepping on myself. So each AP uses 25mhz, but I can get 200+ subs on each > AP, and I can deliver 7-10ms latency all the time, to every single user. > > And, with the last promo that Motorola did, I purchased 24 APs' for less > than $600 each. :) > > > Travis > Microserv > > Matt Larsen - Lists wrote: > > Travis, > > Ok, I'm game. > > First of all, a plain 802.11g wireless AP should be thrown in the junk > pile and replaced with StarOS or MT. Depending on the quality of > signal and modulation rates from the majority of the users, I would have > also removed some of the higher mods to reduce rate shifts. And then, > I would have set up bandwidth profiles for each user to something in the > 1meg down/512K up range. That would pretty much fix the bandwidth and > latency problem. > > When I do your upload test, I don't have the same problems. I do > bandwidth control in the access point, and with upload rates set to half > of the download rates, I have no problem putting 50 to 75 users on one > AP and still provide good download speeds (1meg/2meg/4meg packages) with > decent latency (20-40ms latency at peaks) and no packet loss. That is > also with quite a few VOIP users who would be howling if the service > didn't work. > > BTW, Canopy radios at $160 are double the cost of a NanoStation. > Canopy with a reflector is 3x the cost of a Bullet5 and 26db grid. > StarOS APs are at least 1/4th the cost of a comparable Canopy AP. > > Matt Larsenvistabeam.com > > Travis Johnson wrote: > > > Matt, > > I know we have already discussed this several times, and I'm not sure > we need to do it again... but maybe you could explain how you could > have setup a plain 802.11g wireless AP so that each client (using all > different kinds of wireless adapters) could have gotten equal > bandwidth and latency at AF09? > > And, once again, I have done test after test after test using 802.11 > stuff... and every single time (using Mikrotik without Nstreme, using > StarOS, using OSBridge and using Nanostations) if we setup an AP and > we connect two clients with laptops and start a continuous upload, the > other client is basically dead in the water. Even if we limit the > upload to 2Mbps or 3Mbps, when that client starts the upload, the > other client has very high latency, very bad download speeds, etc. > > As for price on Canopy vs. 802.11... things are not always as they > seem. I know of a large Canopy operator that is buying radios for $160 > each. ;) > > And, we have Trango AP's that only deliver 5Mbps total with 128 > clients and we deliver 4ms latency to every single client. > > Travis > Microserv > > Matt Larsen - Lists wrote: > > > Sorry Travis, but you are dead wrong about 802.11 not being able to > scale beyond 20 users, especially with 802.11a. I explained how it can > be done to you before and I have consulting clients with 10,000 plus > users on their 802.11 based networks scaling right up to the same size > as any Canopy or Trango network. You might not be able to get to 150 > subs per AP, but you can certainly hit 50-75 per sector and offer > service that is damn close and a far sight cheaper than what Canopy will > do. I would take a StarOS a/b/g network over a Canopy system every day > of the week. > > As far as problems at AF09 - that is what you get when Canopy guys are > running an 802.11 network. If I was running it with the proven > equipment and deployment methods that many of us use on 802.11 networks, > there would not have been any such problems. Just because the AF09 > guys couldn't figure it out (or more likely didn't bother to try) > doesn't mean that it can't be done right. > > Matt Larsenvistabeam.com > > > Travis Johnson wrote: > > > > The problem will be that they are still plain 802.11 technology. There > is no polling or ARQ or FEC or anything else that makes technology like > Trango, Canopy and others work so well. We pulled all of our 802.11 > stuff down over 5 years ago. It does NOT scale. You will never get an AP > with reliable, consistent service with more than 20 users. > > In fact, I think we witnessed this at AF09. Everyone connected to the > same AP (48 I think was the count) and we continually got disconnected > and the speeds and latency were terrible. Could there be a better "real > world" experience than that? :) > > Travis > Microserv > > Jerry Richardson wrote: > > > > > All I can do is shake my head. Ubiquity seems to have acquired some > Area51 technology..... > > > > > __________________________________ > Jerry Richardson > airCloud Communications > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org > <wireless-boun...@wispa.org>] On > Behalf Of rea...@muddyfrogwater.us > Sent: Wednesday, January 21, 2009 3:42 PM > To: WISPA General List > Subject: [WISPA] UBNT Bullet5 review... > > I deployed my first Bullet5 today. Not the high power, but the > standard. > > throughput testing showed insignificant difference between my > Star-OS/WAR1 > combo and the Bullet. The AP shows that the Bullet has active > compression > and fast frames that functions with my star-os access point. > > I have not tried the narrower channels to see if they're compatible with > my star-os AP's. > > They have been certified with up to 30 db antennas. > > Summary... 1 bullet5, 1 pacwireless 25 db grid w/pigtail, 1 universal > mount = very cheap 5 ghz cpe - about $130 - 140 complete. Even > nicer??? > > The bullet slides down INTO the universal mount pipe, becoming invisible > after you mount and aim it. > > Just FYI... The Bullet does NAT and has a DHCP server built in. No > need > for a router, allows you to have a fully routed network. > > Opinion.... I like them. > > > > > > > ++++++++++++++++++++++++++++++++ > <insert witty tagline here> > > > > ------------------------------------------------------------------------ > -------- > WISPA Wants You! Join today!http://signup.wispa.org/ > ------------------------------------------------------------------------ > -------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today!http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today!http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today!http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > > ------------------------------------------------------------------------ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today!http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today!http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! 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