I have a pair of 230 (mix of SG and XG but same port configurations) running in an HA configuration. I also have 2 AP100Cs and an AP55. My network backbone is a pair of stacked Cisco SG-500s with PoE. I have the following for the port configurations:
Firewalls are running 18.0.3-MR3
Port ; Zone ; Connection detail
Port1 ; LAN ; set to a maintance IP address in 10.2.0.1
Port 2 ; WAN ; connected to my first ISP
Port 3 ; WAN ; connected to my second ISP
Port 4 ; DMZ ; dedicated HA link
Port 5 ; LAG1
Port 6 ; LAG1
LAG1 ; LAN ; set to main LAN IP address 10.1.0.1
To test that HA was functioning properly I powered down the primary unit (the ugly way). The auxiliary unit took over very shortly and I was up and running with no problem initially (wired LAN and WiFi bridged to LAN worked).
After a few minutes (my guess is three) all of my WiFi devices lost their connection. When I looked at the list of available SSIDs on the clients (a mac, iPhone, and iPad) the SSID for my WiFi network no longer showed up.
On my wired Windows 10 machine I had no problem getting traffic from the internet. When I looked at the firewall it showed all of the APs in an Active state. When I looked at the APs themselves I saw only the green flashing LED, not the Green+Amber.
In the Wireless -> Access Points tab I selected the APs and rebooted them. After the reboot the SSID for the WiFi network started to broadcast again and the WiFi was usable.
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