Did ack timing get off somehow? ----- Original Message ----- From: "KosiNet Wireless" <wirel...@kosinet.com> To: "WISPA General List" <wireless@wispa.org> Sent: Thursday, August 05, 2010 4:33 PM Subject: Re: [WISPA] Ubiquiti Link - Poor Performance
> Rick, > > I hate to ask what my be obvious.... Are you running through a switch? > Could > it be a negotiation issue? > > But, with the signal degradation, it sounds more like an antenna or water > issue. > > -Gary- > > ----- Original Message ----- > From: "RickG" <rgunder...@gmail.com> > To: <fai...@snappydsl.net>; "WISPA General List" <wireless@wispa.org> > Sent: Thursday, August 05, 2010 5:30 PM > Subject: Re: [WISPA] Ubiquiti Link - Poor Performance > > > Faisal, I was hoping you would reply! My answers inline below: > > On Thu, Aug 5, 2010 at 4:30 PM, Faisal Imtiaz <fai...@snappydsl.net> > wrote: >> do the ususal stuff... >> >> Try changing channel ? > > Yes. Tried all available channels. > >> Try to shrink the channel to 10mhz or 5mhz > > Yes. Results were just as bad if not worse. > >> >> Any possibility of water in the cables ? > or something phyiscally off >> with the coax jumpers ? > > I tried multiple new cables. Plus, eliminated cables by using the > Nanobridge. > >>(AP side ?) >> >> Since you have done everything on the far side. how about looking at the >> AP Side.... > > It's possible. Going there now. But, other link off sector is working > well albeit a bit degraded compared to what it was when originally > installed. > >> >> >> Run ...Airview to see if there is interference that is not being picked >> up on site survey ? > > Airview channel usage attached. I didnt realize you have to save each > scan separately. WIll get all results later. > >> >> Faisal Imtiaz >> Snappy Internet& Telecom >> >> On 8/5/2010 4:01 PM, RickG wrote: >>> Here is a good one! >>> >>> I have a short "link" of about 3 miles from my main tower to another. >>> On the main tower I have four UBNT 5G-20-90's with RockeyM5's running >>> firmware 5.2. All have performed very well since I installed them >>> earlier this year. On the other end at the problem tower I have a 26Db >>> grid with a BulletM5 also running fw5.2. The link was doing well until >>> two days ago. Then, the latency went through the roof. I assumed it >>> was the radio but after switching it out twice, I decided to blame the >>> antenna. So, I swapped out the grids multiple times. Then decided to >>> try a Nanostation, and a Nanobridge but got worse results. I'd blame >>> the sector on the main tower but another link on it remains working >>> well. There is a topology difference between the working link and the >>> poor link with the later being higher. There is some noise in the area >>> but not unusual. What I do note is that the main tower does not "see" >>> the far end very well (-78) and it should really be much higher. The >>> receive rate is only 6.5Mbps. >>> >>> At any rate, I've got about 3 dozen subs on this tower and worked on >>> it until 5am so I'm ready for some fresh input! >>> >>> Thanks in advance! >>> -RickG >>> >>> >>> -------------------------------------------------------------------------------- >>> 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/
