Why are we looking at 8ms of latency on this radio? Does it offer sync? The website doesn't say.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, Jan 25, 2017 at 4:55 PM, Chris Wright <ch...@velociter.net> wrote: > Traffic Split set to Auto: > > PHY 1300/1300 > > > > Traffic Split set to 75/25, 8ms window: > > PHY 1560/1300 > > > > Anyone can see why one should prefer setting the Traffic Split to 75/25 – > it provides more bandwidth in one direction. > > > > Chris Wright > > Network Administrator > > > > *From:* Faisal Imtiaz [mailto:fai...@snappytelecom.net] > *Sent:* Wednesday, January 25, 2017 12:35 PM > *To:* af@afmug.com > *Cc:* Chris Wright > > *Subject:* Re: [AFMUG] B11, TDMA, and TCP > > > > Hi Chris, > > > > I want to compare something with my link... > > > > Can you please share what's the listed PHY rates were on your PCN for the > link. > > > > Regards. > > > > Faisal Imtiaz > Snappy Internet & Telecom > 7266 SW 48 Street > Miami, FL 33155 > Tel: 305 663 5518 x 232 <(305)%20663-5518> > > Help-desk: (305)663-5518 <(305)%20663-5518> Option 2 or Email: > supp...@snappytelecom.net > > > ------------------------------ > > *From: *"Chris Wright" <ch...@velociter.net> > *To: *af@afmug.com > *Sent: *Wednesday, January 25, 2017 11:21:12 AM > *Subject: *Re: [AFMUG] B11, TDMA, and TCP > > Power is already at the minimum (10dBm) on both sides. 2.2km link. > > > > Chris Wright > > Network Administrator > > > > *From:* Af [mailto:af-boun...@afmug.com <af-boun...@afmug.com>] *On > Behalf Of *Faisal Imtiaz > *Sent:* Tuesday, January 24, 2017 9:56 PM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] B11, TDMA, and TCP > > > > >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 <(305)%20663-5518> > > Help-desk: (305)663-5518 <(305)%20663-5518> Option 2 or Email: > supp...@snappytelecom.net > > > ------------------------------ > > *From: *"Chris Wright" <ch...@velociter.net> > *To: *af@afmug.com > *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 <fai...@snappytelecom.net> > 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 <(305)%20663-5518> > > Help-desk: (305)663-5518 <(305)%20663-5518> Option 2 or Email: > supp...@snappytelecom.net > > > ------------------------------ > > *From: *"Chris Wright" <ch...@velociter.net> > *To: *af@afmug.com > *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 > > > > > > > > > >
