I'm going to resurrect this thread due to something that's come to light whilst implementing a hAP ac2 at home discussed in detail in another thread. to recap - this particularly congested Wi-Fi channel wise client reported slow internet. We've been all around the houses with this but put it to bed after a nightly reboot of the access points seemed to help.
In the other thread, it's been said that if you specify a single 5GHZ channel that's in the DFS range (which is most of them) and a radar event occurs after initial DFS/CAC scan, then the 5GHz channel is disabled. In this scenario, I kind of expected RouterOS to switch to another non-radar channel after scanning the spectrum. But this belief might be wrong.
It would possibly explain the symptoms were seeing if the 5GHz interface is shutting down - they'll be falling back to the horribly congested 2.4Ghz interface. I've extended the log size to 10,000 entries to see if I can spot radar events.
It would also explain why rebooting the access points every night seemed to help - I've never seen a radar event during the initial CAC after reboot. So in the morning, 5GHz interface will be up. Later in the day, a radar event might knock it out.
Caveat - my hAP ac2 is running ROS v7. The client site is running ROS v6 and I don't know whether the same scenario applies in that version, i.e. if you specify channel = 5500, it's that channel or nothing.
In the other thread, it's been said that if you specify a single 5GHZ channel that's in the DFS range (which is most of them) and a radar event occurs after initial DFS/CAC scan, then the 5GHz channel is disabled. In this scenario, I kind of expected RouterOS to switch to another non-radar channel after scanning the spectrum. But this belief might be wrong.
It would possibly explain the symptoms were seeing if the 5GHz interface is shutting down - they'll be falling back to the horribly congested 2.4Ghz interface. I've extended the log size to 10,000 entries to see if I can spot radar events.
It would also explain why rebooting the access points every night seemed to help - I've never seen a radar event during the initial CAC after reboot. So in the morning, 5GHz interface will be up. Later in the day, a radar event might knock it out.
Caveat - my hAP ac2 is running ROS v7. The client site is running ROS v6 and I don't know whether the same scenario applies in that version, i.e. if you specify channel = 5500, it's that channel or nothing.
Statistics: Posted by robmaltsystems — Thu Feb 01, 2024 11:39 pm