Troubleshooting regarding speed drop in 2 wireless hops

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1

Hello,

We have made a setup where 2 openwrt modules (oolite v5.1-qca9531) are connected to each other via ethernet. each module is also wirelessly connected to other modules.

Here is a schema:

openwrt

What happens is when communicating from A to D the network speed drops to 10mbs.

We understand this is a common mode problem, affecting multiple operating systems / firmware / hardware. What is the reason for this speed drop when going over 2 wireless hops?

Is there a workaround / solution?/

Any ideas, recommendations, and help greatly appreciated.

Best Regards,

Can A.

2

Channel 11 and channel 8 overlap; see https://en.wikipedia.org/wiki/List_of_WLAN_channels#2.4_GHz_(802.11b/g/n/ax).

Consider shifting to channels 6.

3

at no place on my question, i indicate the channels i use. furthermore, we do not use 11 nor 8.

4

Your picture says "WIFI CH11" and "WIFI CH8".

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