[Make-wifi-fast] NanoStation M5 anyone?

[Toke Høiland-Jørgensen]

Pete Heist <pete at heistp.net> writes:

>> On Jun 12, 2018, at 12:24 PM, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>> 
>> Pete Heist <pete at heistp.net <mailto:pete at heistp.net>> writes:
>> 
>>> This is an appeal to anyone who has access to a NanoStation M5 and a little time to try to reproduce this problem and add to this post:
>>> 
>>> https://community.ubnt.com/t5/airMAX-Installation/NanoStation-M5-ping-spikes-about-once-per-second-even-just-to/td-p/2358704
>> 
>> Does this only happen with stock firmware? I think I have reflashed all
>> of mine...
>
> Unfortunately I haven’t confirmed that, because afaik one can no
> longer flash unsigned firmware on AirOS devices with signed firmware
> (since 6.0.6 or so) without opening the case and attaching a serial
> cable / using tftp, but these devices aren’t mine. I just found this
> thread so maybe I could try to play with first downgrading to 6.0.6,
> then to 6.0.6 beta, then to unsigned, just don’t need to brick the
> device:
>
> https://community.ubnt.com/t5/airOS-Software-Configuration/AirOS-v6-0-6-Firmware-Issues-and-Solutions-Downgrade-Path-and-XM/m-p/1996679#M47254
>
> If you do have time to just try a high-rate ping to the Ethernet
> adapter with a recent OpenWRT/LEDE installed, that would tell me
> something:
>
> sudo ping -c 5000 -i 0.001 nsm5
>
> If it reproduces, you’ll see isochronous spikes of either 20 or 40ms
> around once every 900-1000ms. Might be easier to see if you add
> preload with “-l 100”, but you would see them either way. If you don’t
> have time, no sweat… :)

I don't, right now. But in a few weeks I might; I'll keep it in mind :)