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These are the feature purposes:

  1. On loss of internet access for any length of period, the previously Ethernet-connected gateway node will continue to work on the LAN side. The node will try to keep the network in the same state which means any possible leaf connections will be kept.

  2. On reboot or multiple reboots of a node with no internet access, the node will configure itself from a stored subset of OVSDB config (provisoned by the controller when node was previously connected) providing limited functionality by configuration which setups the default Home LAN so that the node will continue to work including the following:

    1. Continue with the previously enabled bridge/router configuration.

    2. Primary SSID & PSK.

    3. Existing static DHCP reservations and user-configured subnet.

    4. User-configured primary/secondary DNS servers.

Features that are not supported (including but not limited to):

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Offline Service Availability

Available offline services as introduced in OpenSync versions 

OpenSync 2.4

WiFi radios

Primary SSID

Network mode: bridge, router, auto

LAN subnet

IP reservation

WPA mode

OpenSync 3.2

Ethernet clients on gateway nodes

OpenFlow-related features

Multiple SSIDs

Multi-PSK

UPnP