Beacon numbers for radiation/congestion reduction settings.

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Joined: 31 Jan 2015
Posts: 6232
Location: Texas

PostPosted: Tue Oct 27, 2020 1:24    Post subject: Reply with quote
msoengineer wrote:
I think ...

well then again, I am in a more-or-less non-congestested place ...very small town setup.

but then again again, in other town I recently fixed problem folks were having connecting mutiple devices -- ( I put their ZITO cable WiWimodem in bridge mode) setup an oldass E2500 to suit their needs and also PW they liked and all has been good for month now.
yeahuh--- it is real 2.4 congested area but they are happy now -- so I'm happy Smile

Fragmentation Threshold 1792
RTS Threshold 1792

Joined: 29 Aug 2011
Posts: 240

PostPosted: Sun Mar 06, 2022 14:49    Post subject: Reply with quote
msoengineer wrote:
Set both thresholds to 784.
I'm curious: Various overhead? Is there a handy command-line or utility available, to see if the WiFi is in-sync with the WAN MTU?
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PostPosted: Tue Sep 26, 2023 22:19    Post subject: How to explicitly set CTS and RTS/CTS instead of "Auto& Reply with quote
itwontbewe wrote:
R7000P here
the RTS/CTS looks different than your qca settings

do i just set rts threshold to 784 and leave the rest as is? is the fragmentation threshold related to it as well?

I found a problem with this CTS Protection Mode "Auto" option, because I want to make sure RTS/CTS is used and "Auto" seems to disable it giving the drop outs I get after a while.

I have another DD-WRT router and it has the option to explicitly set CTS and RTS/CTS and I never experience these drop outs on it.

Is there any way to make sure the router uses CTS and RTS/CTS?

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PostPosted: Tue Sep 26, 2023 22:25    Post subject: Reply with quote
I would set both to 784.

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PostPosted: Wed Sep 27, 2023 15:41    Post subject: Reply with quote
From another thread in the Atheros forum:

If you read the QCA Wireless Settings Wiki and the servervault article link, you will see that the information was clearly misunderstood. The "best answer" was to set fragmentation threshold at 784 and RTS threshold at 534. The only "problem" is that the MTU for 802.11 is not 1500, it is 2304 (up to 2312). So, fragmentation threshold could be set to 1152(1156), and RTS threshold set to 768(771).

We literally could not view any multimedia using the "recommendations" of 784/534 on any DD-WRT supported platform very readily, and wifi stability was subpar. Could've been coupled with the ACK timing and other recommendations being askew, such as prime numbers being used for BI. Still not sure where sir twindragon6 seems to think that 90 for ACK timing as noted in his wiki edit works, but more recent temporary implementations to provide wifi access may invoke testing that information. As always, use of a good wifi analyzer app and throughput testing with iperf3 and other means sure does help in testing.

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PostPosted: Sat Sep 30, 2023 16:17    Post subject: Reply with quote
msoengineer wrote:
I would set both to 784.

I have been using these settings (both at 784) for about 3 years now, without issues from 3 different sites with many different type of wifi devices.

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