Method and apparatus for rebooting a bridge in a network containing a
plurality of bridges. The method includes sending notification to other
bridges that the bridge will be updated; updating the bridge; restoring a
state of the network prior to the bridge being updated; and sending
notification to the other bridges in the network that the update is
complete. Sending notification includes sending a special bridge protocol
data unit along forwarding links connected to the bridge. The method
further includes the other bridges initiating a condition of not
expecting additional messages from the bridge subsequent to the
notification of the update and disabling a part of the bridge prior to
updating. An apparatus includes a forwarding plane adapted to provide
physical control of ports in the bridge and a control plane adapted for
issuing and executing instructions in accordance with the method that
control the physical action of the ports.