Network has startup lag/trouble

Installing and Using OpenWrt
1

Hi all, im wondering if its the routers or devices, but after restarting my router im always facing startup lag/trouble. I have around 10 wireless cameras that disconnect often or cant find the router(just 1). I have to reboot the devices and then i find stability as usual again. I feel then it even sometimes can take a while longer....What can be the cause of this?
I am using 3 openwrt devices, the dynalink wrx36, out of which 2 are configured as dumb ap's(and not updates for around 2 years now, is that needed for dumb ap's?) Updating them is hard since attended sysupgrade reports "impossible package selection")
They have fast roaming and everything turned on.

In my previous thread you can find my configuration. My samsung phone says no internet available on wifi - #21 by borgqueenx

When they are rebooted and like 24-48h have past, then things are quite stable again.

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What's unstable before 24-48 have elapsed?

Startup lag for 24 hours - can you clarify a little more?

Just the wireless connectivity issues?

I had to search through the topic to find 2 posts containing your configs. You might wanna make it easier for others to find.

1 Like
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Updates are needed for wifi in open air?
Could you share what are your "embedded devices"? If you have identical access point on all radioes (including patch levels and dhcp subnet) any normal camera will connect back.

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Is it after 12h or 24-48h?

If you kill everything in the whole network and start the router first and start everything else in radially order from the router, does it also have lag after that?

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Sorry about that, i can update the post later as i have no computer access right now and it's a real drag to copy paste that using a phone.

To answer your other question: The stability is bad during that first 24 to 48 hours yes. It means that a device thats connected by lan cable who watches and records all those camera rtsp streams with ffmpeg, constantly drops frames and loses connection to cameras and picks them up again. Multiple times per minute.

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What do you mean for wifi in open air?
All these ap's share the same ssid and password on both 2.4ghz and 5ghz band. The two dumb ap's mesh points are not updated for a longer while now. While the main ap is last updated around 2 months ago.

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There is nothing accumulating in OpenWRT that makes it suddenly get better or worse.
How far are mesh points? You know they interfere in same channel?

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They share the same 5ghz band for mesh, but 2.4ghz are on seperate channels not interfering with each other.
And all cameras use 2.4ghz.

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You say you have "fast roaming and everything turned on".

Turn that off. Go back to a basic, simple 802.11 2.4GHz network and see if that helps. Unless you're in an enterprise environment with hundreds or more users moving around, you probably don't need it.

Look at the logs on the Dynalink devices and see if they're having difficulty with the ath10k driver, as things have moved on a lot in two years in terms of stability.

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I have noticed the problems go away if i restart all mesh nodes (incl main router) at the same time. Then i do not have to restart the cameras. Restarting the main router without the mesh nodes causes trouble.

Weird.