ZyXEL Communications ZyWALL USG FLEX 100 - Configuration File Restore Flow; Unplug All Active Device Network Link (Device 1), Let Network Service; Runs on Passive Device; Upload Configuration File to Active Device (Device 1)

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Configuration file restore flow
1. Unplug all active device network link (Device 1). Let network service runs on
passive device.
2. Upload configuration file to active device (Device 1).
3. Apply configuration file on active device (Device 1).
4. Connect all network cables on Device 1. Network service is running on Device
1 from now on.
5. Reset passive device to system default.
6. Deploy Device HA.
7. Make sure that passive device sync process successfully.
Unplug all active device network link (Device 1), let network
service runs on passive device.
Disconnect all Ethernet cables and heartbeat link on active device. As now,
network service is running on passive device (Device 2).
-Active device offline to restore configuration file.
-Passive device provide network service.
Upload configuration file to active device (Device 1).
Before you upload the configuration file on active device (Device 1), verify if the
virtual-mac and license-sync serial number is correct.