> SNR 41, 42, 41, 41 Turn down your power, and bring the SNR in the 30-35 range... it will improve thruput and allow for the higher modulation.
Regards. Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: [email protected] > From: "Chris Wright" <[email protected]> > To: [email protected] > Sent: Wednesday, January 25, 2017 12:41:37 AM > Subject: Re: [AFMUG] B11, TDMA, and TCP > Firmware 1.4.4 > SNR 41, 42, 41, 41 > Flow Control had no effect so it remains disabled for now. > Sent via mobile phone. > On Jan 24, 2017, at 9:05 PM, Faisal Imtiaz < [email protected] > wrote: >> What version for firmware is on the radio ? >> and What your SNR on the two chains (both directions, i.e. 4 readings). >> I can tell you that we do not see the behavior you are describing below... >> But I can also tell you that we had to do some 'tuning' on settings including >> flow control .. >> our B11's plug into netonix Switches.... >> Regards. >> Faisal Imtiaz >> Snappy Internet & Telecom >> 7266 SW 48 Street >> Miami, FL 33155 >> Tel: 305 663 5518 x 232 >> Help-desk: (305)663-5518 Option 2 or Email: [email protected] >>> From: "Chris Wright" < [email protected] > >>> To: [email protected] >>> Sent: Tuesday, January 24, 2017 8:02:58 PM >>> Subject: [AFMUG] B11, TDMA, and TCP >>> According to Mimosa, I should be telling my customers that if they’re using >>> the >>> most popular metric in the world for testing internet speeds, they’re doing >>> it >>> wrong (I concede that while this may be technically correct, my customers – >>> and >>> yours too – don’t do technically correct very well.” >>> When TDMA is set to 75/25, 8ms window, MAC Tx/Rx is 980/290. This gives me >>> as >>> much Tx bandwidth as I require for peak times, but no one client IP can >>> download more than 20mbps of TCP traffic (from my speedtest.net at the edge, >>> nor anyone else’s beyond my edge). >>> When TDMA is Auto, MAC Tx/Rx is 780/780 (lower Tx, which is undesirable as >>> it’s >>> 100mbps shy of what I need during peak hours), but TCP throughput per >>> client is >>> greatly increased (150+mbps). >>> So I’m in a pickle. Either my scrupulous customers can get those coveted >>> speedtest.net results they love seeing as they run them every thirty seconds >>> ad-nauseum at the cost of overall Tx capacity of the link. Or I give myself >>> some headroom in link capacity but the fastest speeds my 100mbps clients can >>> see is 20mbps. >>> What’s even stranger is that client upload seems unaffected. I can upload >>> 150+mbps from my test on the link no matter what TDMA is configured. I hit >>> up >>> Mimosa’s chat support was as chipper as they were unyielding in their idea >>> that >>> I should test in a way that caters to the B11’s shortcomings. I’ve been a >>> Mimosa fanboy for a while now but boy am I feeling burned right now. >>> Chris Wright >>> Network Administrator
