+5. Arrange so that the switch can reach the controller over the network.
+ This can be done in two ways. The switch may be configured for
+ out-of-band control, which means it uses a network separate from the
+ data traffic that it controls. Alternatively, the switch may be
+ configured to contact the controller over one of the network devices
+ under its control. In-band control is often more convenient than
+ out-of-band, because it is not necessary to maintain two independent
+ networks.