RE650 v2 - unstable!! (fixed, see my reply)

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RE650 v2 - unstable!! (fixed, see my reply)

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RE650 v2 - unstable!! (fixed, see my reply)
RE650 v2 - unstable!! (fixed, see my reply)
2022-11-04 06:02:27 - last edited 2022-11-06 03:53:35
Model: RE650  
Hardware Version: V2
Firmware Version: latest

RE650 connected to Deco main over wireless (2.4ghz)

Updated to latest firmware.

 

Ping time is mostly 5ms. Mostly. App diagnostics say it is in an ideal location!

 

Broadcasts a local network on both 2.4 and 5 using lowest power.

 

Testing throughput:

2.4 is about 30 mbit to iperf locally

5 ghz is about 80 mbit to iperf locally

 

but in 5ghz mode it regularly (every 5 or 10 minutes) just blanks out.

in 2.4ghz it is more reliable but still blanks out. Pings literally just timeout. After a while, I get a reconnection...

 

It doesn't get too hot. The room is not too hot.

 

The blackouts happen and any device (Linux, IOS or OSX) lose connection.

 

The local signal strength is -37 as reported by OSX where 0 is max and -100 is worst.

 

Here is an example, it happned while I was typing this.

 

64 bytes from 10.10.10.1: icmp_seq=1042 ttl=64 time=7.763 ms

64 bytes from 10.10.10.1: icmp_seq=1043 ttl=64 time=5.787 ms

64 bytes from 10.10.10.1: icmp_seq=1044 ttl=64 time=8.473 ms

64 bytes from 10.10.10.1: icmp_seq=1045 ttl=64 time=11.406 ms

64 bytes from 10.10.10.1: icmp_seq=1046 ttl=64 time=7.607 ms

64 bytes from 10.10.10.1: icmp_seq=1047 ttl=64 time=6.589 ms

64 bytes from 10.10.10.1: icmp_seq=1048 ttl=64 time=10.840 ms

64 bytes from 10.10.10.1: icmp_seq=1049 ttl=64 time=8.551 ms

64 bytes from 10.10.10.1: icmp_seq=1050 ttl=64 time=5.706 ms

64 bytes from 10.10.10.1: icmp_seq=1051 ttl=64 time=5.233 ms

64 bytes from 10.10.10.1: icmp_seq=1052 ttl=64 time=9.618 ms

64 bytes from 10.10.10.1: icmp_seq=1053 ttl=64 time=6.540 ms

Request timeout for icmp_seq 1054

64 bytes from 10.10.10.1: icmp_seq=1055 ttl=64 time=6.207 ms

64 bytes from 10.10.10.1: icmp_seq=1056 ttl=64 time=114.521 ms

Request timeout for icmp_seq 1057

64 bytes from 10.10.10.1: icmp_seq=1058 ttl=64 time=6.653 ms

Request timeout for icmp_seq 1059

64 bytes from 10.10.10.1: icmp_seq=1060 ttl=64 time=5.631 ms

64 bytes from 10.10.10.1: icmp_seq=1061 ttl=64 time=506.421 ms

64 bytes from 10.10.10.1: icmp_seq=1062 ttl=64 time=8.827 ms

Request timeout for icmp_seq 1063

64 bytes from 10.10.10.1: icmp_seq=1064 ttl=64 time=5.677 ms

64 bytes from 10.10.10.1: icmp_seq=1065 ttl=64 time=12.118 ms

Request timeout for icmp_seq 1066

Request timeout for icmp_seq 1067

Request timeout for icmp_seq 1068

ping: sendto: No route to host

Request timeout for icmp_seq 1069

ping: sendto: No route to host

Request timeout for icmp_seq 1070

ping: sendto: No route to host

Request timeout for icmp_seq 1071

Request timeout for icmp_seq 1072

64 bytes from 10.10.10.1: icmp_seq=1073 ttl=64 time=439.407 ms

64 bytes from 10.10.10.1: icmp_seq=1074 ttl=64 time=16.729 ms

64 bytes from 10.10.10.1: icmp_seq=1075 ttl=64 time=20.013 ms

 

Note that it isn't just latency spiking from noise. "NO ROUTE TO HOST".

This will trigger OSX to try to connect to the next available known network.

 

The whole wifi connection goes dead, and reconnection then happens.

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Re:RE650 v2 - unstable!!
2022-11-06 03:22:31

 I may have found the cause.

 

Perhaps this helps other people.

 

The problem was devices connected to the extender would black out very often - 5, 10 minutes or randomly. The black out would hang up transfers

and cause all kinds of problems.

 

I started a ping to the extender from the base station and found that it never goes offline during the blackout.

So the problem was local to the extender.

 

Logging into the extender itself (web interface, not app), I went to Advanced Settings .. High Speed ..

 

And changed AUTO to MANUAL

then changed under manual "Transmit only the 5ghz band

 

this means (router) ---> 2.4ghz --> (RE650) --> 5ghz --> devices

Then changed to select the 5ghz access point name configured

 

Since I made this change I have not had any outages.

 

Something about Auto(Recommended) is broken. I think. 

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