it's going to be really hard to do any meaningful diagnostics with a layer 2 switch on each end, not routers... you could be seeing a broadcast flood of some type.
On Thu, Oct 23, 2014 at 1:10 PM, Timothy D. McNabb via Af <[email protected]> wrote: > Unfortunately there is no QoS and flow control is off on the switches L > > > > Dragonwave was contacted as well. No determination yet though. > > > > -Tim > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Peter Kranz via Af > *Sent:* Wednesday, October 22, 2014 1:36 PM > > *To:* [email protected] > *Subject:* Re: [AFMUG] Dragonwave latency issues > > > > Backpressure from the switches in terms of flow-control can show as > latency on dragonwave links. > > > > Disable any QOS features on the dragonwave if you are using them. > > > > Email dragonwave support > > > > > *Peter Kranz*Founder/CEO - Unwired Ltd > www.UnwiredLtd.com <http://www.unwiredltd.com/> > Desk: 510-868-1614 x100 > Mobile: 510-207-0000 > [email protected] > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Timothy D. McNabb via Af > *Sent:* Wednesday, October 22, 2014 1:15 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Dragonwave latency issues > > > > No routers between, just switches. > > > > -Tim > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Paul Conlin via Af > *Sent:* Wednesday, October 22, 2014 12:22 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Dragonwave latency issues > > > > Could the routers at each end be the limiting factor? What is their CPU > utilization when the link is loaded? What happens to latency if you stress > the link at 200 Mbps with a speed test? Those radios should be able to do > close to 400 Mbps all day long with no latency. > > > > PC > > Blaze Broadband > > > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Joshua Heide via Af > *Sent:* Wednesday, October 22, 2014 3:06 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Dragonwave latency issues > > > > Yes it’s a horizon compact > > Bandwidth of the unit is 400mbs > > Bandwidth usage between 150-200mbs during peak hours. > > No QOS > > Yes during non-peak hours its sits at 1ms > > SNR 35.00 dB > > > > From our prtg graphs this issues has started end of September and latency > has gotten worse during peak times as we have deployed more 450 gear to > that tower. > > I currently have HAAM enabled on the link and it stays at 256qam unless we > have some bad weather. > > > > > > Josh Heide > > Velociter Wireless > > (office) 209-838-1221 > > (fax) 209-838-1800 > > www.velociter.net > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Bill Prince via Af > *Sent:* Wednesday, October 22, 2014 11:47 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Dragonwave latency issues > > > > So it's a Horizon Compact? > > What is the total bandwidth, and what percentage are you using? Have you > set up any QOS? 180 ms sounds like a lot; especially when ours are > typically less than 1 ms. > > -38 is right in the game. What are the other parameters besides signal > level? > > bp > > On 10/22/2014 11:18 AM, Joshua Heide via Af wrote: > > We have a dragonwave that has latency issues that coincide with traffic > peak times. As our traffic peaks so does that latency at 180ms. Any ideas > that could cause this? > > > > Signal is -38 > > Current HAAM Mode hc50_364_256qam > > > > Thanks, > > > > Josh Heide > > Velociter Wireless > > (office) 209-838-1221 > > (fax) 209-838-1800 > > www.velociter.net > > > > >
