Patent ID: 9608903
Date: 2017-03-28
CPC Classifications: H04L

Claim:
1. A method for use by at least one first network device attached to a bridged network, the method comprising acts of: (a) processing a message received via at least one network interface of the at least one first network device to detect a change relating to a root bridge in the bridged network attached to the at least one first network device, the root bridge being a root bridge according to a spanning tree protocol, the message being directed to a port of the at least one first network device; (b) determining whether one or more exceptions are applicable to the change relating to the root bridge, comprising: (c) if it is determined that no exception is applicable to the change relating to the root bridge, inhibiting operation of the port of the at least one first network device, wherein inhibiting the operation of the port of the at least one first network device comprises: