Patent ID: 8885656

Claim:
A method for updating blocked port information, comprising: when a node belonging to a ring protection link belongs in an Ethernet ring network is in a pending state and after a wait to restore timer expires: said node updating refreshing record information of an adjacent port of the ring protection link as its own node number of said node and an index number of the adjacent port before blocking the adjacent port and sending a ring protection link blocked protocol frame to notify other nodes in the Ethernet ring network; after said node receives a ring protection link blocked protocol frame sent by itself, said node will not refresh its address table; wherein the operation of not executing refreshing of an address table further comprises: said node parsing a node number and an index number encapsulated in the ring protection link blocked protocol frame; and if the encapsulated node number and index number are the same as the node number and the index number in the updated refreshing information, a matching being successful, and said node not executing the refreshing of the address table.