Just curious.... What would you consider a reasonable timeline to fix a recently discovered bug, and which vendors actually meet that expectation in a consistent manner?
-forrest On Sun, Nov 8, 2015 at 10:39 PM, Daniel Gerlach <[email protected]> wrote: > the 450 is a 4 years old pointless product like nearly everything from > Cambium..it is too expensive and soo low Bandwith for the customers.We > have thrown it out of the Network..The epmp serie has only bugs( we > have found last week a new with heavy traffic and more than 35 CPE´s > on a AP) and Cambium told me that they can not fix it before > Christmas. > > > 2015-11-08 4:21 GMT+01:00 Eric Kuhnke <[email protected]>: > > Same on any half duplex TDD platform with PtMP and low modulation (QPSK) > > subscribers. If you have a ubnt 5 GHz AP with a bunch of clients in 64QAM > > 3/4 to 64QAM 5/6 and a few are on the air using QPSK 1/2, it's going to > drag > > down the performance of that whole radio and sector significantly. It > can be > > as much as from 80 Mbps aggregate to 20 Mbps. Looking at the RSL > thresholds > > needed to operate at 1X in 450 terms, it sounds like a few of those > client > > radios are "just barely hanging on"... > > > > On Fri, Nov 6, 2015 at 10:37 AM, George Skorup <[email protected]> > wrote: > >> > >> If those 1X and 2X downlink SMs are even moderately active, that really > >> throws a wrench into the sector performance. This is true on any PMP > >> platform. We've seen our fair share of it. We've moved a couple back to > FSK > >> which is something I never, ever want to do, but it was unfortunately > >> necessary. > >> > >> > >> On 11/6/2015 11:50 AM, Eric Muehleisen wrote: > >>> > >>> We have a few 450 AP's with 30-40 subscribers and have been getting > >>> several slow speed complaints lately. I just chaulked it up to issues > >>> with the SM since the AP rarely got over 20mb/s downlink. We upgraded > >>> to 13.4 recently so we could watch our frame utilization. We started > >>> graphing it over night and as you can see, we are hitting 100% for > >>> sustained periods of time. During that time the AP is only doing > >>> approx. 23mb/s. This particular AP has 34 registered SM and the > >>> majority show 6x and 4x with 4 or 5 SM's at 2x and 1x. The performance > >>> is a major disappointment. Anyone else have similar experiences? > >>> > >>> AP configuration: 20mhz channels, 2.5ms frame, 10 miles, 75% downlink, > >>> 3 contention slots. > >>> > >>> Attached is a screenshot of the utilization and sector throughput > >>> calculator from the Capacity Planner R13. > >> > >> > > > -- *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 [email protected] | http://www.packetflux.com <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> <http://twitter.com/@packetflux>
