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Multi-PSK (MDU Shared Key)

TIP OpenWiFi 2.0
Multiple Pre Shared Key is a popular configuration option in Multi Dwelling Unit, dormitory or similar environment where it is costly to implement complex 802.1x security however that same level of per-client security is highly desired.
A SSID when configured for multi-psk can have multiple PSK/VID mappings. Each one of them can be bound to a specific MAC or be a wildcard.
"ssids": [
{
"name": "MDU Wi-Fi",
"wifi-bands": [
"5G",
"2G"
],
"bss-mode": "ap",
"encryption": {
"proto": "psk2",
"ieee80211w": "optional",
"key": "OpenWifi"
},
"multi-psk": [
{
"key": "akey",
"vlan-id": 100
},
{
"key": "bkey"
"vlan-id": 200
}
],
"roaming": {
"message-exchange": "ds",
"generate-psk": true
}
}
]
Note: M-PSK passwords must be unique per vlan-id as the device will attempt to match security key to assigned virtual lan. In the above example, a password of OpenWifi will match the untagged interface of the SSID and unique password of "akey" will match client(s) to virtual lan 100.