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Router# apply /conf/Backup_0305.conf
After completed configuration restore, we need to save the running
configuration to startup configuration file.
Router(config)# write
Connect all network cables on Device 1.
Disconnect all network cables on Device 2, and then connect all network
cables on Device 1(Excluding heartbeat link). Network service is running on
Device 1 from now on.
Reset passive device to system default.
Connected serial cable to passive device (Device 2), and reset to factory
default.
Router# apply /conf/system-default.conf
Deploy Device HA
Activate device HA on passive device and connect heartbeat port.
Connect serial cable to original passive device (Device 2) and active device via
CLI
Router(config)# device-ha2 activate
Note: Assume this scenario is USG series. You should set the Device HA mode
before your activeate Device HA.
Router(config)# device-ha mode device-ha-2
Router(config)# device-ha2 activate
On Passive device: Router> debug device-ha2 passive sync now