Controller teaming
Controller discovery
8-10
Controller discovery
The following is an overview of key events that occur when a controller attempts to discover
and join a team for the first time.
Manager Controller
The team manager receives a discovery request.
If this is the first time that the controller is
discovered by the team, the controller must be
manually authorized by an administrator before
it can join the team and become an active
member.
The controller sends a discovery request
onto the local network.
The manager sends a discovery reply. The controller receives the discovery
reply. If more than one reply is received,
the controller chooses the manager that
replied first.
The manager adds the controller to the team. The controller joins the team associated
with the selected manager.
If controller has software that is out of date, the
manager tells the controller to update its
software.
The controller retrieves new software
from the manager, installs it, and then
restarts. Discovery is performed again.
The manager accepts the secure management
tunnel.
Once the manager has been discovered,
the controller establishes a secure
management tunnel with the manager.
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