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The Main Function of the Device HA Pro
Heartbeat Link
The heartbeat port is a new physical port on the device.
After you have enabled Device HA Pro, the devices will transmit multicast packets
(UDP 694) to check each device’s status.
When the passive device is working properly, the system LED light will be on. Only
the heartbeat port’s LED light can be on.
Suggestions
1. Transfer all the licenses to the primary device. This helps to avoid the system
from recounting licenses every time.
2. Enable the connectivity check function on the monitored interfaces. When
an interface doesn’t receive any response from the remote server for a
certain period of time, the device will consider the interface status as fail.
Then the Device HA Pro feature will change the status of the interface.
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