is 1.3.6.1.4.1.161.19.3.1.12.1.19.0 frUtlLowIntervalBwReqPercentage or Ctl Req Success?
On Wed, May 4, 2022 at 9:44 AM <dmmoff...@gmail.com> wrote: > The value to watch for that is Ctl Req Success. OID > 1.3.6.1.4.1.161.19.3.1.12.1.19.0 > > Even with 8 control slots I see that fall to 70% or so at peak times on > the busier AP’s. That means some of the SM’s were not able to request an > upload timeslot, which means whatever they’re wanting to upload is waiting > for at least another frame. If it’s realtime traffic (VOIP) then the delay > might matter. > > > > I’ll pass the conch to whoever wants to argue for lower control slots, but > I made my choice and I’m sticking to it. > > > > > > *From:* dmmoff...@gmail.com <dmmoff...@gmail.com> > *Sent:* Wednesday, May 04, 2022 10:34 AM > *To:* 'AnimalFarm Microwave Users Group' <af@af.afmug.com> > *Subject:* RE: [AFMUG] Cambium Timing > > > > 1. Some AP’s have few SM’s, some have many SM’s. I need timing to > match either way. > 2. Contention over control slots could cause jitter. I don’t want > jitter, and there’s not that much cost to having a few more control > slots….see point 3. > 3. There’s only a 4% difference between 1 control slot and 8 control > slots. If you want to fight for that 4% then go for it, but channel size > and frame size are the battles I really want to win. > > > > > > > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Carl Peterson > *Sent:* Wednesday, May 04, 2022 10:24 AM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] Cambium Timing > > > > Why 8 control slots? Cambium recommends starting with 8 for over 150 subs > per sector which seems like an insane number of subs on anything but M. > > > > On Wed, May 4, 2022 at 9:15 AM <dmmoff...@gmail.com> wrote: > > In case it’s not obvious, the 5mhz “receive start” happens before the > 30mhz “transmit end”. So the 30mhz AP is going to cause uplink > interference on the 5mhz AP…..assuming there’s channel overlap. > > > > > > *From:* dmmoff...@gmail.com <dmmoff...@gmail.com> > *Sent:* Wednesday, May 04, 2022 10:10 AM > *To:* 'AnimalFarm Microwave Users Group' <af@af.afmug.com> > *Subject:* RE: [AFMUG] Cambium Timing > > > > I don’t know specifically how. > > > > But here’s frame calculator result for 30mhz, 75%, 10 miles, 8 control > slots: > AP Antenna Transmit End : *34161, 3.416176 ms* > AP Antenna Receive Start : *36530, 3.653073 ms* > AP Antenna Receive End : 49175 > > > > Now same at 5mhz: > > AP Antenna Transmit End : *27916, 2.791688 ms* > AP Antenna Receive Start : *30551, 3.055120 ms* > AP Antenna Receive End : 49104 > > > > Not even close to a match. If you haven’t been adjusting for channel size > you’d better double check yours. > > > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *castarritt > *Sent:* Wednesday, May 04, 2022 10:04 AM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] Cambium Timing > > > > How does channel width affect timing? > > > > On Wed, May 4, 2022 at 7:39 AM <dmmoff...@gmail.com> wrote: > > Yes, those all match. The new challenge is comparing different channel > sizes. > > > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Carl Peterson > *Sent:* Tuesday, May 03, 2022 11:14 AM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* [AFMUG] Cambium Timing > > > > We still have our cambium network timed as if it were collocated with > legacy 100 gear but the 100 gear is long gone so I'm looking to re-time > everything. > > > > Not finding colocation info about 450M, 450, 450i. Is timing all the same > on them? Seems to be but I haven't done this in over a decade. > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > -- > > Carl Peterson > > *PORT NETWORKS* > > 401 E Pratt St, Ste 2553 > > Baltimore, MD 21202 > > (410) 637-3707 > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- Carl Peterson *PORT NETWORKS* 401 E Pratt St, Ste 2553 Baltimore, MD 21202 (410) 637-3707
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