I upgraded a link to 2.4, and I'm not really seeing any difference in throughput with the ePTP mode... it's slightly better, if anything. latency dropped from 6-7ms to 1-2ms (with no load on the link).
This link isn't actually in use, since it was replaced with a Mimosa link, so it's not really the best test... but it's also far from low noise, since both ends of the link are within a couple of the Mimosa radios, and on the same path. On Tue, Mar 10, 2015 at 6:06 AM, John Woodfield <[email protected]> wrote: > The PTP mode has been there. It allows to turn about the power to 30dbm in > 5.8. I had a radio running at 30dbm and it would crap out within 12 hours - > ethernet port would quit working. I dropped it to 28dbm and it works fine > YMMV. > > > > > > The new PTP master/slave mode was supposed to cut latency - from what I > saw it only cut it by about 5ms and the performance cut was dramatic. > > > > > > > > John Woodfield, President > > Delmarva WiFi Inc. > > 410-870-WiFi > > > > -----Original Message----- > From: "George Skorup (Cyber Broadcasting)" <[email protected]> > Sent: Tuesday, March 10, 2015 2:57am > To: [email protected] > Subject: Re: [AFMUG] ePMP Release 2.4 is Now Available > > If that's the case, then that's not cool. I see there's two PTP modes > though. One is ePTP Master and Slave. The other is just PTP. Look like the > PTP mode requires fixed distance settings at both ends? And ePTP mode does > auto-ranging like Canopy BHM/BHSs perhaps? > > When are we going to get 2.5ms framing to sync with Canopy? > > I see we can now turn on the aux port PoE output and it'll power another > ePMP or Canopy SM. PTP from a customer's barn to their house got easier. > But that additional 20ms of latency is not so good, so hopefully PTP mode > for a 1000' link works. > > On 3/9/2015 8:36 PM, John Woodfield wrote: > > This new mode of operation increases retransmits and cuts throughput in > half in environments with any noise from what I've seen so far. > > > > > > > > > > John Woodfield, President > > Delmarva WiFi Inc. > > 410-870-WiFi > > > > -----Original Message----- > From: "Mike Hammett" <[email protected]> <[email protected]> > Sent: Monday, March 9, 2015 3:38pm > To: [email protected] > Subject: Re: [AFMUG] ePMP Release 2.4 is Now Available > > > - New ePTP mode of operation: The release introduces a new mode of > operation for point-to-point configuration providing significantly lower > latency than other modes. *Not available for DFS bands.* > > > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > > ------------------------------ > *From: *"Ray Savich" <[email protected]> > <[email protected]> > *To: *"[email protected]" <[email protected]> <[email protected]> <[email protected]> > *Sent: *Monday, March 9, 2015 1:33:08 PM > *Subject: *[AFMUG] ePMP Release 2.4 is Now Available > > ePMP Release 2.4 includes new enhancements to eFortify™ and > eCommand™. Check out the details at http://bit.ly/1BYo2ja > > > > Ray > > > > Join the Conversation > > Cambium Networks Community Forum <http://community.cambiumnetworks.com/> > > > >
