I’m experiencing the same issue. I also have the MikroTik hAP ax3, but setup as a switch and access point, as i have the RB5009 as the main router. The ax3 is running RouterOS 7.15.3 and wifi-qcom 7.15.3.
This is my config for the ax3:
/interface bridge
add admin-mac=00:00:00:00:00:00 auto-mac=no comment=defconf name=bridge
/interface ethernet
set [ find default-name=ether1 ] poe-out=off
/interface wifi
set [ find default-name=wifi1 ] channel.skip-dfs-channels=10min-cac configuration.country=Denmark .mode=ap .ssid=mbach disabled=no security.authentication-types=wpa2-psk,wpa3-psk \
.connect-priority=0 .ft=yes .ft-over-ds=yes
set [ find default-name=wifi2 ] channel.skip-dfs-channels=10min-cac configuration.country=Denmark .mode=ap .ssid=mbach disabled=no security.authentication-types=wpa2-psk,wpa3-psk \
.connect-priority=0 .ft=yes .ft-over-ds=yes
/interface list
add comment=defconf name=WAN
add comment=defconf name=LAN
/interface bridge port
add bridge=bridge comment=defconf interface=ether2
add bridge=bridge comment=defconf interface=ether3
add bridge=bridge comment=defconf interface=ether4
add bridge=bridge comment=defconf interface=ether5
add bridge=bridge comment=defconf interface=wifi1
add bridge=bridge comment=defconf interface=wifi2
add bridge=bridge interface=ether1
/ip neighbor discovery-settings
set discover-interface-list=LAN
/ipv6 settings
set disable-ipv6=yes
/interface list member
add comment=defconf interface=bridge list=LAN
add comment=defconf disabled=yes interface=ether1 list=WAN
/ip dhcp-client
add comment=defconf interface=bridge
/ip dhcp-server network
add address=192.168.88.0/24 gateway=192.168.88.1
And here is the last 10 minutes of the logs:
17:21:09 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:21:12 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:21:46 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:21:48 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -60
17:22:22 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:22:25 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:22:59 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:23:01 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -60
17:23:35 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:23:38 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:24:12 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -62
17:24:15 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -60
17:24:48 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -62
17:24:51 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -60
17:25:25 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:25:28 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:25:34 wireless,info BB:BB:BB:BB:BB:BB@wifi1 disconnected, connection lost, signal strength -57
17:26:02 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:26:05 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:26:38 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:26:41 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:27:15 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:27:18 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:27:45 wireless,info CC:CC:CC:CC:CC:CC@wifi1 disconnected, connection lost, signal strength -57
17:27:52 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:27:54 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -62
17:28:28 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -64
17:28:31 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:29:05 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:29:08 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:29:31 wireless,info BB:BB:BB:BB:BB:BB@wifi1 connected, signal strength -57
17:29:39 wireless,info CC:CC:CC:CC:CC:CC@wifi1 connected, signal strength -53
17:29:41 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63
17:29:44 wireless,info AA:AA:AA:AA:AA:AA@wifi2 connected, signal strength -61
17:30:18 wireless,info AA:AA:AA:AA:AA:AA@wifi2 disconnected, connection lost, signal strength -63