+1 on flow control tuning, seems all Mimosa products require some tweaking
of the flow control (I have adtran, microtik, and netonix switches)

On Jan 24, 2017 11:05 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
>
>
>
>

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